| RP | Abad, F.Abad, Fernando OAK | 31 | 2017 | L | 2 | 1 | 3.30 | .280 | .330 | 1.26 | 8.4 | 2.9 | 7.7 | 43 | 40 | 4 | 14 | 37 | 0 | 1 | 0 | 23 | 19 | C |
| SP | Abbott, J.Abbott, Jim CAL | 29 | 1996 | L | 2 | 18 | 7.48 | .364 | .410 | 1.75 | 10.8 | 4.9 | 3.7 | 142 | 171 | 23 | 78 | 58 | 1 | 0 | 13 | 93 | 13 | C |
| RP | Abreu, A.Abreu, Albert NYY | 27 | 2023 | R | 2 | 2 | 4.73 | .318 | .370 | 1.47 | 7.9 | 5.3 | 9.3 | 59 | 52 | 9 | 35 | 61 | 0 | 0 | 5 | 26 | 20 | C |
| RP | Acevedo, D.Acevedo, Domingo OAK | 29 | 2023 | R | 0 | 0 | 10.61 | .327 | .440 | 2.00 | 16.0 | 2.0 | 7.0 | 9 | 16 | 2 | 2 | 7 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Acevedo, J.Acevedo, Juan COL | 33 | 2003 | R | 1 | 5 | 6.57 | .361 | .420 | 1.84 | 12.3 | 4.3 | 6.6 | 38 | 52 | 6 | 18 | 28 | 0 | 6 | 4 | 23 | 17 | C |
| RP | Acosta, E.Acosta, Ed SD | 29 | 1972 | R | 3 | 6 | 4.45 | .328 | .370 | 1.52 | 10.6 | 3.0 | 5.4 | 89 | 105 | 7 | 30 | 53 | 0 | 0 | 5 | 37 | 15 | C |
| RP | Adams, M.Adams, Mike MIL | 36 | 2014 | R | 2 | 1 | 2.89 | .273 | .350 | 1.33 | 8.0 | 4.0 | 10.5 | 18 | 16 | 1 | 8 | 21 | 0 | 0 | 0 | 23 | 20 | C |
| RP | Adams, M.Adams, Mike TEX | 36 | 2014 | R | 2 | 1 | 2.89 | .273 | .350 | 1.33 | 8.0 | 4.0 | 10.5 | 18 | 16 | 1 | 8 | 21 | 0 | 0 | 0 | 23 | 20 | C |
| RP | Affeldt, J.Affeldt, Jeremy COL | 36 | 2015 | L | 2 | 2 | 5.86 | .331 | .390 | 1.63 | 11.1 | 3.6 | 5.4 | 35 | 43 | 6 | 14 | 21 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Affeldt, J.Affeldt, Jeremy KC | 36 | 2015 | L | 2 | 2 | 5.86 | .331 | .390 | 1.63 | 11.1 | 3.6 | 5.4 | 35 | 43 | 6 | 14 | 21 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Affeldt, J.Affeldt, Jeremy SF | 36 | 2015 | L | 2 | 2 | 5.86 | .331 | .390 | 1.63 | 11.1 | 3.6 | 5.4 | 35 | 43 | 6 | 14 | 21 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Aguilera, R.Aguilera, Rick MIN | 39 | 2000 | R | 1 | 2 | 4.91 | .301 | .350 | 1.38 | 9.0 | 3.4 | 7.3 | 47 | 47 | 11 | 18 | 38 | 0 | 29 | 1 | 23 | 17 | C |
| RP | Aguilera, R.Aguilera, Rick NYM | 39 | 2000 | R | 1 | 2 | 4.91 | .301 | .350 | 1.38 | 9.0 | 3.4 | 7.3 | 47 | 47 | 11 | 18 | 38 | 0 | 29 | 1 | 23 | 17 | C |
| RP | Aguirre, H.Aguirre, Hank DET | 39 | 1970 | L | 3 | 0 | 4.50 | .297 | .380 | 1.57 | 8.4 | 5.8 | 7.1 | 14 | 13 | 3 | 9 | 11 | 0 | 1 | 0 | 23 | 21 | C |
| RP | Albers, M.Albers, Matt WAS | 36 | 2019 | R | 8 | 6 | 5.13 | .305 | .360 | 1.39 | 8.1 | 4.4 | 8.7 | 59 | 53 | 8 | 29 | 57 | 0 | 4 | 2 | 23 | 19 | C |
| RP | Alburquerque, A.Alburquerque, Al DET | 29 | 2015 | R | 4 | 1 | 4.21 | .329 | .380 | 1.55 | 9.1 | 4.8 | 8.4 | 62 | 63 | 4 | 33 | 58 | 0 | 0 | 5 | 23 | 19 | C |
| SP | Alcantara, S.Alcantara, Sandy FL | 27 | 2023 | R | 7 | 12 | 4.14 | .285 | .330 | 1.22 | 8.6 | 2.3 | 7.4 | 184 | 176 | 22 | 48 | 151 | 3 | 0 | 4 | 116 | 17 | C |
| RP | Alexander, P.Alexander, Pete CHC | 43 | 1930 | R | 0 | 3 | 9.14 | .387 | .460 | 2.19 | 17.1 | 2.6 | 2.6 | 21 | 40 | 5 | 6 | 6 | 0 | 0 | 0 | 44 | 13 | C |
| SP | Alexander, D.Alexander, Doyle TOR | 39 | 1989 | R | 6 | 18 | 4.44 | .321 | .360 | 1.44 | 9.9 | 3.1 | 3.8 | 223 | 245 | 28 | 76 | 95 | 5 | 0 | 4 | 119 | 13 | C |
| RP | Allen, C.Allen, Cody CLE | 30 | 2019 | R | 0 | 2 | 6.26 | .358 | .430 | 1.91 | 9.4 | 7.8 | 11.3 | 23 | 24 | 9 | 20 | 29 | 0 | 4 | 3 | 23 | 24 | C |
| RP | Alvarez, W.Alvarez, Wilson TB | 35 | 2005 | L | 1 | 4 | 5.63 | .317 | .380 | 1.58 | 11.6 | 2.6 | 6.0 | 24 | 31 | 7 | 7 | 16 | 0 | 0 | 0 | 23 | 18 | C |
| RP | Alzolay, A.Alzolay, Adbert CHC | 29 | 2024 | R | 1 | 4 | 4.67 | .291 | .370 | 1.47 | 10.1 | 3.2 | 6.9 | 17 | 19 | 6 | 6 | 13 | 0 | 4 | 0 | 23 | 23 | C |
| RP | Andersen, L.Andersen, Larry PHI | 41 | 1994 | R | 1 | 2 | 4.41 | .312 | .370 | 1.50 | 9.3 | 4.2 | 7.6 | 32 | 33 | 2 | 15 | 27 | 0 | 0 | 0 | 23 | 19 | C |
| RP | Anderson, F.Anderson, Fred SF | 33 | 1918 | R | 4 | 2 | 2.67 | .264 | .310 | 1.13 | 8.0 | 2.2 | 3.1 | 70 | 62 | 1 | 17 | 24 | 2 | 3 | 1 | 69 | 13 | C |
| RP | Anderson, C.Anderson, Chase MIL | 36 | 2024 | R | 0 | 2 | 5.40 | .292 | .340 | 1.31 | 8.5 | 3.3 | 6.5 | 58 | 55 | 12 | 21 | 42 | 0 | 3 | 3 | 38 | 17 | C |
| RP | Aquino, G.Aquino, Greg AZ | 31 | 2009 | R | 1 | 2 | 4.50 | .326 | .410 | 1.75 | 7.3 | 8.4 | 6.2 | 16 | 13 | 1 | 15 | 11 | 0 | 0 | 3 | 31 | 21 | C |
| RP | Aquino, L.Aquino, Luis FL | 31 | 1995 | R | 0 | 3 | 5.10 | .340 | .400 | 1.67 | 12.2 | 2.8 | 5.6 | 42 | 57 | 6 | 13 | 26 | 0 | 2 | 3 | 25 | 16 | C |
| SP | Archer, C.Archer, Chris TB | 33 | 2022 | R | 2 | 8 | 4.56 | .299 | .350 | 1.32 | 7.7 | 4.2 | 7.4 | 102 | 87 | 12 | 48 | 84 | 0 | 0 | 3 | 73 | 17 | C |
| SP | Arellanes, F.Arellanes, Frank BOS | 28 | 1910 | R | 4 | 7 | 2.88 | .295 | .340 | 1.30 | 9.5 | 2.2 | 3.0 | 100 | 106 | 1 | 24 | 33 | 2 | 0 | 3 | 98 | 13 | C |
| SP | Arrieta, J.Arrieta, Jake CHC | 35 | 2021 | R | 5 | 14 | 7.39 | .365 | .410 | 1.79 | 12.0 | 4.0 | 7.6 | 98 | 131 | 24 | 44 | 83 | 0 | 0 | 3 | 73 | 18 | C |
| RP | Arrojo, R.Arrojo, Rolando COL | 34 | 2002 | R | 4 | 3 | 4.98 | .303 | .350 | 1.36 | 9.2 | 3.0 | 5.7 | 81 | 83 | 7 | 27 | 51 | 0 | 1 | 2 | 51 | 15 | C |
| RP | Arroyo, L.Arroyo, Luis NYY | 36 | 1963 | L | 1 | 1 | 13.50 | .349 | .490 | 2.50 | 18.0 | 4.5 | 7.5 | 6 | 12 | 0 | 3 | 5 | 0 | 0 | 1 | 23 | 15 | C |
| RP | Ashby, A.Ashby, Andy COL | 37 | 2004 | R | 0 | 0 | 0.00 | .059 | .180 | 0.50 | 4.5 | 0.0 | 9.0 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 23 | 12 | C |
| RP | Ashby, A.Ashby, Andy SD | 37 | 2004 | R | 0 | 0 | 0.00 | .059 | .180 | 0.50 | 4.5 | 0.0 | 9.0 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 23 | 12 | C |
| RP | Assenmacher, P.Assenmacher, Paul ATL | 39 | 1999 | L | 2 | 1 | 8.18 | .381 | .440 | 2.03 | 13.6 | 4.6 | 7.9 | 33 | 50 | 6 | 17 | 29 | 0 | 0 | 1 | 23 | 19 | C |
| SP | Avery, S.Avery, Steve ATL | 29 | 1999 | L | 6 | 7 | 5.16 | .339 | .390 | 1.59 | 7.0 | 7.3 | 4.8 | 96 | 75 | 11 | 78 | 51 | 0 | 0 | 4 | 90 | 15 | C |
| RP | Axford, J.Axford, John MIL | 35 | 2018 | R | 4 | 1 | 4.41 | .282 | .330 | 1.25 | 7.8 | 3.5 | 8.8 | 51 | 44 | 6 | 20 | 50 | 0 | 0 | 6 | 23 | 20 | C |
| RP | Ayala, L.Ayala, Luis WAS | 31 | 2009 | R | 1 | 5 | 5.63 | .330 | .390 | 1.60 | 11.3 | 3.2 | 6.3 | 40 | 50 | 5 | 14 | 28 | 0 | 0 | 0 | 23 | 17 | C |
| RP | Ayrault, B.Ayrault, Bob PHI | 27 | 1993 | R | 3 | 1 | 5.40 | .342 | .410 | 1.73 | 10.8 | 4.8 | 4.5 | 30 | 36 | 2 | 16 | 15 | 0 | 0 | 1 | 25 | 15 | C |
| RP | Baez, D.Baez, Danys CLE | 34 | 2011 | R | 2 | 4 | 6.25 | .322 | .380 | 1.56 | 10.8 | 3.3 | 4.5 | 36 | 43 | 5 | 13 | 18 | 0 | 0 | 1 | 25 | 14 | C |
| RP | Bailey, A.Bailey, Andrew OAK | 32 | 2016 | R | 3 | 1 | 5.36 | .294 | .350 | 1.35 | 8.6 | 3.6 | 8.6 | 43 | 41 | 7 | 17 | 41 | 0 | 6 | 3 | 23 | 20 | C |
| RP | Balfour, G.Balfour, Grant OAK | 37 | 2014 | R | 2 | 6 | 4.91 | .315 | .370 | 1.45 | 7.1 | 6.0 | 8.3 | 62 | 49 | 3 | 41 | 57 | 0 | 12 | 4 | 23 | 19 | C |
| RP | Balfour, G.Balfour, Grant TB | 37 | 2014 | R | 2 | 6 | 4.91 | .315 | .370 | 1.45 | 7.1 | 6.0 | 8.3 | 62 | 49 | 3 | 41 | 57 | 0 | 12 | 4 | 23 | 19 | C |
| RP | Bannister, F.Bannister, Floyd HOU | 37 | 1992 | L | 1 | 1 | 6.32 | .331 | .390 | 1.62 | 9.5 | 5.1 | 7.3 | 37 | 39 | 3 | 21 | 30 | 0 | 0 | 3 | 23 | 17 | C |
| RP | Bard, D.Bard, Daniel BOS | 38 | 2023 | R | 4 | 2 | 4.56 | .349 | .400 | 1.71 | 6.4 | 9.0 | 8.6 | 49 | 35 | 5 | 49 | 47 | 0 | 1 | 2 | 23 | 19 | C |
| SP | Barnes, V.Barnes, Virgil SF | 32 | 1928 | R | 5 | 10 | 5.45 | .375 | .420 | 1.85 | 12.9 | 3.8 | 1.4 | 115 | 165 | 6 | 48 | 18 | 4 | 0 | 1 | 78 | 10 | C |
| RP | Bass, A.Bass, Anthony HOU | 35 | 2023 | R | 0 | 0 | 4.95 | .286 | .360 | 1.40 | 8.6 | 4.1 | 8.6 | 20 | 19 | 3 | 9 | 19 | 0 | 0 | 1 | 23 | 19 | C |
| RP | Bass, A.Bass, Anthony FL | 35 | 2023 | R | 0 | 0 | 4.95 | .286 | .360 | 1.40 | 8.6 | 4.1 | 8.6 | 20 | 19 | 3 | 9 | 19 | 0 | 0 | 1 | 23 | 19 | C |
| SP | Bauer, T.Bauer, Trevor CIN | 30 | 2021 | R | 8 | 5 | 2.59 | .246 | .290 | 1.01 | 6.0 | 3.1 | 11.5 | 107 | 71 | 19 | 37 | 137 | 1 | 0 | 3 | 111 | 22 | C |
| RP | Bautista, F.Bautista, Félix BAL | 28 | 2023 | R | 8 | 2 | 1.48 | .225 | .270 | 0.92 | 4.4 | 3.8 | 16.2 | 61 | 30 | 4 | 26 | 110 | 0 | 33 | 7 | 23 | 28 | C |
| SP | Beckett, J.Beckett, Josh FL | 34 | 2014 | R | 6 | 6 | 2.88 | .276 | .320 | 1.17 | 7.5 | 3.1 | 8.4 | 115 | 96 | 17 | 39 | 107 | 1 | 0 | 1 | 102 | 18 | C |
| SP | Bedard, E.Bedard, Erik BAL | 35 | 2014 | L | 4 | 6 | 4.76 | .325 | .370 | 1.51 | 10.1 | 3.5 | 7.7 | 75 | 84 | 10 | 29 | 64 | 0 | 0 | 3 | 79 | 18 | C |
| RP | Beene, F.Beene, Fred NYY | 33 | 1975 | R | 1 | 0 | 6.94 | .373 | .430 | 1.91 | 12.3 | 4.9 | 3.9 | 46 | 63 | 4 | 25 | 20 | 0 | 1 | 6 | 45 | 14 | C |
| SP | Belcher, T.Belcher, Tim LA | 39 | 2000 | R | 4 | 5 | 6.86 | .340 | .400 | 1.68 | 10.1 | 5.0 | 5.0 | 40 | 45 | 8 | 22 | 22 | 1 | 0 | 1 | 80 | 15 | C |
| RP | Belisario, R.Belisario, Ronald LA | 32 | 2014 | R | 4 | 8 | 5.56 | .316 | .370 | 1.45 | 10.6 | 2.5 | 6.4 | 66 | 78 | 4 | 18 | 47 | 0 | 8 | 2 | 23 | 16 | C |
| RP | Bell, J.Bell, Jerry MIL | 27 | 1974 | R | 1 | 0 | 2.57 | .297 | .380 | 1.57 | 10.9 | 3.2 | 2.6 | 14 | 17 | 2 | 5 | 4 | 0 | 0 | 2 | 52 | 14 | C |
| RP | Bell, H.Bell, Heath SD | 37 | 2014 | R | 1 | 1 | 7.27 | .344 | .420 | 1.88 | 12.7 | 4.2 | 6.4 | 17 | 24 | 1 | 8 | 12 | 0 | 0 | 1 | 26 | 22 | C |
| SP | Bender, C.Bender, Chief PHI | 33 | 1917 | R | 8 | 2 | 1.67 | .240 | .280 | 0.97 | 6.7 | 2.1 | 3.4 | 113 | 84 | 1 | 26 | 43 | 8 | 2 | 3 | 100 | 13 | C |
| SP | Benes, A.Benes, Andy SD | 35 | 2002 | R | 5 | 4 | 2.78 | .303 | .350 | 1.35 | 7.4 | 4.7 | 5.9 | 97 | 80 | 10 | 51 | 64 | 1 | 0 | 0 | 96 | 16 | C |
| RP | Benitez, A.Benitez, Armando NYM | 36 | 2008 | R | 0 | 1 | 5.68 | .176 | .290 | 1.00 | 6.0 | 3.0 | 13.5 | 6 | 4 | 3 | 2 | 9 | 0 | 0 | 0 | 23 | 19 | C |
| RP | Benitez, A.Benitez, Armando BAL | 36 | 2008 | R | 0 | 1 | 5.68 | .176 | .290 | 1.00 | 6.0 | 3.0 | 13.5 | 6 | 4 | 3 | 2 | 9 | 0 | 0 | 0 | 23 | 19 | C |
| RP | Benoit, J.Benoit, Joaquin DET | 40 | 2017 | R | 1 | 4 | 4.07 | .261 | .310 | 1.14 | 6.9 | 3.4 | 9.2 | 42 | 32 | 5 | 16 | 43 | 0 | 2 | 0 | 23 | 20 | C |
| RP | Benoit, J.Benoit, Joaquin SD | 40 | 2017 | R | 1 | 4 | 4.07 | .261 | .310 | 1.14 | 6.9 | 3.4 | 9.2 | 42 | 32 | 5 | 16 | 43 | 0 | 2 | 0 | 23 | 20 | C |
| RP | Benton, L.Benton, Larry SF | 39 | 1935 | R | 2 | 3 | 6.88 | .369 | .420 | 1.83 | 13.1 | 3.4 | 1.8 | 72 | 105 | 6 | 27 | 14 | 0 | 0 | 6 | 44 | 11 | C |
| SP | Bernhard, B.Bernhard, Bill PHI | 37 | 1907 | R | 0 | 4 | 3.21 | .346 | .400 | 1.71 | 12.6 | 2.8 | 4.1 | 42 | 59 | 0 | 13 | 19 | 3 | 0 | 1 | 91 | 13 | C |
| SP | Bernhard, B.Bernhard, Bill CLE | 36 | 1907 | R | 0 | 4 | 3.21 | .337 | .390 | 1.64 | 12.4 | 2.4 | 4.1 | 42 | 58 | 0 | 11 | 19 | 3 | 0 | 1 | 93 | 14 | C |
| RP | Berry, J.Berry, Joe OAK | 42 | 1946 | R | 3 | 7 | 3.22 | .307 | .360 | 1.42 | 8.5 | 4.3 | 3.8 | 50 | 47 | 5 | 24 | 21 | 0 | 1 | 0 | 37 | 14 | C |
| RP | Betances, D.Betances, Dellin NYY | 30 | 2018 | R | 4 | 6 | 2.70 | .252 | .300 | 1.06 | 6.0 | 3.5 | 15.7 | 66 | 44 | 7 | 26 | 115 | 0 | 4 | 4 | 23 | 26 | C |
| RP | Betancourt, R.Betancourt, Rafael CLE | 40 | 2015 | R | 2 | 4 | 6.18 | .302 | .360 | 1.41 | 9.9 | 2.8 | 9.2 | 39 | 43 | 4 | 12 | 40 | 0 | 1 | 0 | 23 | 20 | C |
| RP | Bickford, P.Bickford, Phil LA | 28 | 2024 | R | 0 | 0 | 8.64 | .244 | .350 | 1.38 | 11.3 | 1.1 | 6.8 | 8 | 10 | 1 | 1 | 6 | 0 | 0 | 0 | 23 | 16 | C |
| SP | Birkbeck, M.Birkbeck, Mike NYM | 34 | 1995 | R | 0 | 1 | 1.63 | .209 | .270 | 0.89 | 7.3 | 0.7 | 4.7 | 27 | 22 | 2 | 2 | 14 | 0 | 0 | 3 | 119 | 14 | C |
| RP | Blazek, M.Blazek, Michael MIL | 27 | 2016 | R | 3 | 1 | 5.66 | .373 | .430 | 1.93 | 11.4 | 5.9 | 7.9 | 41 | 52 | 7 | 27 | 36 | 0 | 0 | 2 | 23 | 19 | C |
| RP | Blevins, J.Blevins, Jerry OAK | 31 | 2014 | L | 2 | 3 | 4.87 | .282 | .330 | 1.25 | 7.6 | 3.6 | 10.4 | 57 | 48 | 3 | 23 | 66 | 0 | 0 | 2 | 23 | 21 | C |
| SP | Blyleven, B.Blyleven, Bert PIT | 31 | 1982 | R | 2 | 2 | 4.87 | .278 | .350 | 1.35 | 7.2 | 5.0 | 8.6 | 20 | 16 | 2 | 11 | 19 | 0 | 0 | 0 | 89 | 19 | C |
| SP | Boland, B.Boland, Bernie DET | 29 | 1921 | R | 1 | 4 | 9.33 | .405 | .470 | 2.30 | 11.3 | 9.3 | 2.0 | 27 | 34 | 2 | 28 | 6 | 0 | 0 | 0 | 70 | 12 | C |
| RP | Borbon, P.Borbon, Pedro ATL | 36 | 2003 | L | 0 | 1 | 20.25 | .421 | .610 | 4.00 | 31.5 | 4.5 | 0.0 | 4 | 14 | 2 | 2 | 0 | 0 | 0 | 0 | 23 | 7 | C |
| SP | Bosman, D.Bosman, Dick TEX | 32 | 1976 | R | 4 | 2 | 4.10 | .284 | .330 | 1.22 | 9.5 | 1.5 | 2.7 | 112 | 118 | 13 | 19 | 34 | 0 | 0 | 2 | 75 | 12 | C |
| RP | Bottalico, R.Bottalico, Ricky PHI | 36 | 2005 | R | 2 | 2 | 4.54 | .318 | .370 | 1.51 | 9.4 | 4.2 | 6.4 | 41 | 43 | 7 | 19 | 29 | 0 | 2 | 7 | 23 | 17 | C |
| RP | Boxberger, B.Boxberger, Brad MIL | 35 | 2023 | R | 0 | 1 | 4.95 | .271 | .340 | 1.30 | 6.8 | 5.0 | 7.7 | 20 | 15 | 3 | 11 | 17 | 0 | 2 | 0 | 23 | 18 | C |
| SP | Boyd, O.Boyd, Oil Can WAS | 32 | 1991 | R | 8 | 15 | 4.59 | .313 | .360 | 1.39 | 9.7 | 2.8 | 5.7 | 182 | 196 | 21 | 57 | 115 | 1 | 0 | 2 | 104 | 15 | C |
| RP | Brebbia, J.Brebbia, John STL | 35 | 2025 | R | 1 | 1 | 7.71 | .336 | .410 | 1.74 | 11.0 | 4.7 | 10.2 | 23 | 28 | 5 | 12 | 26 | 0 | 0 | 2 | 23 | 23 | C |
| RP | Breslow, C.Breslow, Craig AZ | 37 | 2017 | L | 1 | 1 | 5.23 | .327 | .390 | 1.61 | 11.0 | 3.5 | 5.2 | 31 | 38 | 4 | 12 | 18 | 0 | 0 | 1 | 23 | 16 | C |
| RP | Brewer, J.Brewer, Jim LA | 39 | 1976 | L | 3 | 1 | 2.70 | .271 | .340 | 1.30 | 9.0 | 2.7 | 7.2 | 20 | 20 | 0 | 6 | 16 | 0 | 2 | 0 | 30 | 18 | C |
| RP | Bridges, M.Bridges, Marshall CIN | 34 | 1965 | L | 1 | 2 | 2.67 | .325 | .380 | 1.53 | 9.8 | 3.9 | 6.2 | 57 | 62 | 3 | 25 | 39 | 0 | 0 | 2 | 28 | 16 | C |
| SP | Briles, N.Briles, Nelson STL | 35 | 1978 | R | 4 | 4 | 4.64 | .315 | .370 | 1.46 | 9.7 | 3.5 | 5.0 | 54 | 58 | 6 | 21 | 30 | 1 | 0 | 2 | 61 | 15 | C |
| RP | Britton, Z.Britton, Zach NYY | 33 | 2021 | L | 0 | 1 | 5.89 | .326 | .400 | 1.72 | 8.5 | 7.0 | 8.0 | 18 | 17 | 2 | 14 | 16 | 0 | 1 | 2 | 23 | 18 | C |
| RP | Britton, Z.Britton, Zach BAL | 33 | 2021 | L | 0 | 1 | 5.89 | .326 | .400 | 1.72 | 8.5 | 7.0 | 8.0 | 18 | 17 | 2 | 14 | 16 | 0 | 1 | 2 | 23 | 18 | C |
| RP | Brown, B.Brown, Brooks COL | 30 | 2015 | R | 1 | 3 | 4.91 | .306 | .370 | 1.45 | 8.7 | 4.4 | 5.5 | 33 | 32 | 2 | 16 | 20 | 0 | 0 | 2 | 23 | 16 | C |
| SP | Brown, K.Brown, Kevin LA | 40 | 2005 | R | 4 | 7 | 6.50 | .355 | .400 | 1.73 | 13.2 | 2.3 | 6.2 | 73 | 107 | 5 | 19 | 50 | 0 | 0 | 6 | 99 | 16 | C |
| SP | Brown, M.Brown, Mordecai CHC | 40 | 1916 | R | 2 | 3 | 3.91 | .284 | .340 | 1.27 | 9.8 | 1.7 | 3.9 | 48 | 52 | 0 | 9 | 21 | 2 | 0 | 2 | 72 | 14 | C |
| SP | Brown, K.Brown, Kevin FL | 40 | 2005 | R | 4 | 7 | 6.50 | .355 | .400 | 1.73 | 13.2 | 2.3 | 6.2 | 73 | 107 | 5 | 19 | 50 | 0 | 0 | 6 | 99 | 16 | C |
| SP | Browning, T.Browning, Tom CIN | 35 | 1995 | L | 0 | 2 | 8.10 | .310 | .410 | 1.80 | 11.7 | 4.5 | 2.7 | 10 | 13 | 2 | 5 | 3 | 0 | 0 | 0 | 89 | 13 | C |
| RP | Broxton, J.Broxton, Jonathan LA | 33 | 2017 | R | 0 | 1 | 6.89 | .382 | .470 | 2.27 | 13.8 | 6.6 | 9.6 | 15 | 23 | 2 | 11 | 16 | 0 | 0 | 1 | 23 | 26 | C |
| RP | Buchholz, T.Buchholz, Taylor COL | 30 | 2011 | R | 1 | 1 | 3.12 | .248 | .310 | 1.12 | 7.6 | 2.4 | 9.0 | 26 | 22 | 5 | 7 | 26 | 0 | 0 | 0 | 23 | 23 | C |
| SP | Buehrle, M.Buehrle, Mark CWS | 36 | 2015 | L | 15 | 8 | 3.81 | .290 | .330 | 1.25 | 9.7 | 1.5 | 4.1 | 198 | 214 | 22 | 33 | 91 | 4 | 0 | 0 | 109 | 14 | C |
| SP | Bunker, W.Bunker, Wally BAL | 26 | 1971 | R | 2 | 3 | 5.01 | .279 | .340 | 1.28 | 9.8 | 1.7 | 4.2 | 32 | 35 | 7 | 6 | 15 | 0 | 0 | 0 | 82 | 15 | C |
| SP | Bunning, J.Bunning, Jim PHI | 40 | 1971 | R | 5 | 12 | 5.48 | .324 | .370 | 1.48 | 10.3 | 3.0 | 4.7 | 110 | 126 | 11 | 37 | 58 | 1 | 1 | 1 | 68 | 14 | C |
| RP | Burke, T.Burke, Tim WAS | 33 | 1992 | R | 3 | 4 | 4.15 | .335 | .390 | 1.63 | 10.9 | 3.8 | 3.1 | 43 | 52 | 3 | 18 | 15 | 0 | 0 | 4 | 23 | 13 | C |
| SP | Burke, B.Burke, Bobby MIN | 29 | 1935 | L | 1 | 8 | 7.46 | .360 | .410 | 1.77 | 12.3 | 3.7 | 2.2 | 66 | 90 | 7 | 27 | 16 | 2 | 0 | 4 | 79 | 12 | C |
| SP | Burnett, A.Burnett, A.J. FL | 38 | 2015 | R | 9 | 7 | 3.18 | .308 | .350 | 1.36 | 9.5 | 2.7 | 7.8 | 164 | 174 | 11 | 49 | 143 | 0 | 0 | 6 | 111 | 17 | C |
| RP | Burnett, S.Burnett, Sean WAS | 31 | 2013 | L | 0 | 0 | 0.93 | .260 | .360 | 1.44 | 9.0 | 4.0 | 7.0 | 9 | 9 | 1 | 4 | 7 | 0 | 0 | 1 | 23 | 17 | C |
| SP | Burnett, A.Burnett, A.J. TOR | 38 | 2015 | R | 9 | 7 | 3.18 | .308 | .350 | 1.36 | 9.5 | 2.7 | 7.8 | 164 | 174 | 11 | 49 | 143 | 0 | 0 | 6 | 111 | 17 | C |
| SP | Burns, B.Burns, Bill MIN | 32 | 1912 | L | 1 | 4 | 5.35 | .330 | .390 | 1.61 | 12.3 | 2.1 | 1.4 | 38 | 52 | 0 | 9 | 6 | 2 | 0 | 1 | 112 | 11 | C |
| SP | Busby, S.Busby, Steve KC | 32 | 1980 | R | 1 | 3 | 6.17 | .376 | .430 | 1.95 | 13.3 | 4.3 | 2.6 | 42 | 62 | 3 | 20 | 12 | 0 | 0 | 4 | 68 | 12 | C |
| RP | Bush, D.Bush, David MIL | 32 | 2011 | R | 0 | 1 | 5.79 | .316 | .370 | 1.51 | 11.4 | 2.2 | 5.6 | 37 | 47 | 6 | 9 | 23 | 0 | 0 | 2 | 41 | 15 | C |
| SP | Butcher, J.Butcher, John TEX | 29 | 1986 | R | 1 | 8 | 6.56 | .357 | .400 | 1.71 | 12.6 | 2.8 | 3.4 | 120 | 168 | 17 | 37 | 45 | 2 | 0 | 6 | 74 | 13 | C |
| RP | Calhoun, J.Calhoun, Jeff HOU | 30 | 1988 | L | 0 | 0 | 15.43 | .304 | .580 | 3.50 | 27.0 | 4.5 | 4.5 | 2 | 6 | 2 | 1 | 1 | 0 | 0 | 0 | 23 | 11 | C |
| RP | Campbell, B.Campbell, Bill MIN | 39 | 1987 | R | 0 | 0 | 8.10 | .355 | .460 | 2.20 | 16.2 | 3.6 | 3.6 | 10 | 18 | 2 | 4 | 4 | 0 | 0 | 0 | 28 | 14 | C |
| RP | Capps, M.Capps, Matt PIT | 29 | 2012 | R | 1 | 4 | 3.68 | .248 | .310 | 1.10 | 8.7 | 1.2 | 5.6 | 29 | 28 | 5 | 4 | 18 | 0 | 14 | 3 | 23 | 16 | C |
| RP | Capps, M.Capps, Matt WAS | 29 | 2012 | R | 1 | 4 | 3.68 | .248 | .310 | 1.10 | 8.7 | 1.2 | 5.6 | 29 | 28 | 5 | 4 | 18 | 0 | 14 | 3 | 23 | 16 | C |
| RP | Carlson, J.Carlson, Jesse TOR | 30 | 2010 | L | 0 | 0 | 4.61 | .269 | .350 | 1.38 | 9.0 | 3.5 | 5.5 | 13 | 13 | 3 | 5 | 8 | 0 | 1 | 0 | 23 | 18 | C |
| RP | Carlton, S.Carlton, Steve PHI | 44 | 1988 | L | 0 | 1 | 16.76 | .403 | .520 | 2.78 | 20.0 | 5.0 | 5.0 | 9 | 20 | 5 | 5 | 5 | 0 | 0 | 0 | 42 | 15 | C |
| RP | Carlyle, B.Carlyle, Buddy NYM | 37 | 2014 | R | 1 | 1 | 1.45 | .214 | .270 | 0.90 | 6.7 | 1.5 | 8.1 | 31 | 23 | 2 | 5 | 28 | 0 | 0 | 0 | 24 | 19 | C |
| RP | Carman, D.Carman, Don PHI | 33 | 1992 | L | 0 | 0 | 7.71 | .200 | .440 | 2.00 | 18.0 | 0.0 | 9.0 | 2 | 4 | 0 | 0 | 2 | 0 | 0 | 0 | 23 | 12 | C |
| SP | Carpenter, C.Carpenter, Chris STL | 33 | 2008 | R | 0 | 1 | 1.76 | .267 | .350 | 1.33 | 9.6 | 2.4 | 4.2 | 15 | 16 | 0 | 4 | 7 | 0 | 0 | 0 | 68 | 17 | C |
| SP | Carpenter, C.Carpenter, Chris TOR | 37 | 2012 | R | 0 | 2 | 3.71 | .238 | .310 | 1.12 | 8.5 | 1.6 | 6.4 | 17 | 16 | 2 | 3 | 12 | 0 | 0 | 0 | 100 | 22 | C |
| RP | Carrasco, H.Carrasco, Hector WAS | 38 | 2007 | R | 2 | 1 | 6.57 | .351 | .410 | 1.76 | 10.4 | 5.4 | 7.8 | 38 | 44 | 8 | 23 | 33 | 0 | 0 | 3 | 26 | 18 | C |
| RP | Casilla, S.Casilla, Santiago SF | 38 | 2018 | R | 0 | 0 | 3.16 | .270 | .330 | 1.23 | 5.2 | 5.8 | 6.4 | 31 | 18 | 0 | 20 | 22 | 0 | 1 | 4 | 24 | 17 | C |
| SP | Castillo, F.Castillo, Frank COL | 33 | 2002 | R | 6 | 15 | 5.07 | .317 | .360 | 1.42 | 9.6 | 3.2 | 6.2 | 163 | 174 | 19 | 58 | 112 | 0 | 1 | 1 | 81 | 16 | C |
| SP | Castillo, F.Castillo, Frank CHC | 33 | 2002 | R | 6 | 15 | 5.07 | .317 | .360 | 1.42 | 9.6 | 3.2 | 6.2 | 163 | 174 | 19 | 58 | 112 | 0 | 1 | 1 | 81 | 16 | C |
| RP | Castro, B.Castro, Bill MIL | 31 | 1983 | R | 2 | 0 | 6.64 | .326 | .380 | 1.58 | 11.5 | 2.7 | 3.8 | 40 | 51 | 4 | 12 | 17 | 0 | 0 | 1 | 42 | 14 | C |
| RP | Caudill, B.Caudill, Bill SEA | 31 | 1987 | R | 0 | 0 | 9.00 | .244 | .350 | 1.38 | 11.3 | 1.1 | 9.0 | 8 | 10 | 3 | 1 | 8 | 0 | 1 | 0 | 27 | 18 | C |
| SP | Cessa, L.Cessa, Luis CIN | 31 | 2023 | R | 1 | 4 | 9.00 | .397 | .470 | 2.23 | 15.9 | 4.2 | 3.8 | 26 | 46 | 3 | 12 | 11 | 0 | 0 | 2 | 67 | 15 | C |
| RP | Chance, D.Chance, Dean CAL | 30 | 1971 | R | 4 | 6 | 3.51 | .337 | .380 | 1.58 | 9.2 | 5.1 | 6.5 | 89 | 91 | 5 | 50 | 64 | 0 | 0 | 4 | 53 | 17 | C |
| RP | Chapman, A.Chapman, Aroldis CIN | 32 | 2020 | L | 1 | 1 | 3.09 | .189 | .270 | 0.91 | 4.9 | 3.3 | 18.0 | 11 | 6 | 2 | 4 | 22 | 0 | 3 | 0 | 23 | 32 | C |
| RP | Charlton, N.Charlton, Norm SEA | 38 | 2001 | L | 4 | 2 | 3.02 | .237 | .290 | 1.00 | 6.9 | 2.1 | 9.2 | 47 | 36 | 4 | 11 | 48 | 0 | 1 | 4 | 23 | 19 | C |
| RP | Charlton, N.Charlton, Norm CIN | 38 | 2001 | L | 4 | 2 | 3.02 | .237 | .290 | 1.00 | 6.9 | 2.1 | 9.2 | 47 | 36 | 4 | 11 | 48 | 0 | 1 | 4 | 23 | 19 | C |
| SP | Chech, C.Chech, Charlie CLE | 31 | 1909 | R | 7 | 5 | 2.95 | .290 | .340 | 1.26 | 9.1 | 2.3 | 3.4 | 106 | 107 | 3 | 27 | 40 | 6 | 0 | 1 | 110 | 13 | C |
| RP | Cheney, T.Cheney, Tom TEX | 30 | 1964 | R | 1 | 3 | 3.70 | .274 | .330 | 1.21 | 8.4 | 2.4 | 4.7 | 48 | 45 | 10 | 13 | 25 | 1 | 1 | 2 | 58 | 15 | C |
| SP | Chesbro, J.Chesbro, Jack NYY | 35 | 1909 | R | 0 | 5 | 6.14 | .349 | .400 | 1.71 | 12.6 | 2.8 | 3.3 | 55 | 77 | 3 | 17 | 20 | 2 | 0 | 0 | 98 | 13 | C |
| SP | Chirinos, Y.Chirinos, Yonny TB | 26 | 2020 | R | 0 | 0 | 2.38 | .295 | .390 | 1.64 | 11.5 | 3.3 | 8.2 | 11 | 14 | 2 | 4 | 10 | 0 | 0 | 0 | 66 | 20 | C |
| RP | Chouinard, B.Chouinard, Bobby AZ | 29 | 2001 | R | 0 | 0 | 8.22 | .262 | .380 | 1.57 | 12.9 | 1.3 | 6.4 | 7 | 10 | 4 | 1 | 5 | 0 | 0 | 0 | 23 | 15 | C |
| SP | Cicotte, E.Cicotte, Eddie CWS | 36 | 1920 | R | 21 | 10 | 3.26 | .298 | .340 | 1.29 | 9.4 | 2.2 | 2.6 | 303 | 316 | 6 | 74 | 87 | 28 | 2 | 3 | 140 | 12 | C |
| RP | Cimber, A.Cimber, Adam TOR | 33 | 2024 | R | 3 | 0 | 7.03 | .293 | .360 | 1.42 | 7.5 | 5.3 | 7.1 | 24 | 20 | 1 | 14 | 19 | 0 | 0 | 1 | 23 | 19 | C |
| RP | Cishek, S.Cishek, Steven FL | 36 | 2022 | R | 1 | 4 | 4.21 | .280 | .330 | 1.23 | 7.4 | 3.7 | 10.1 | 66 | 54 | 11 | 27 | 74 | 0 | 1 | 3 | 23 | 20 | C |
| RP | Cishek, S.Cishek, Steven SEA | 36 | 2022 | R | 1 | 4 | 4.21 | .280 | .330 | 1.23 | 7.4 | 3.7 | 10.1 | 66 | 54 | 11 | 27 | 74 | 0 | 1 | 3 | 23 | 20 | C |
| RP | Cishek, S.Cishek, Steven CHC | 36 | 2022 | R | 1 | 4 | 4.21 | .280 | .330 | 1.23 | 7.4 | 3.7 | 10.1 | 66 | 54 | 11 | 27 | 74 | 0 | 1 | 3 | 23 | 20 | C |
| SP | Clarkson, J.Clarkson, John CHC | 33 | 1894 | R | 8 | 10 | 4.42 | .323 | .370 | 1.46 | 10.4 | 2.8 | 1.7 | 150 | 173 | 6 | 46 | 28 | 13 | 0 | 8 | 120 | 11 | C |
| RP | Clear, M.Clear, Mark CAL | 32 | 1988 | R | 1 | 0 | 2.79 | .312 | .370 | 1.52 | 7.1 | 6.5 | 8.1 | 29 | 23 | 4 | 21 | 26 | 0 | 0 | 1 | 24 | 18 | C |
| SP | Clemens, R.Clemens, Roger TOR | 45 | 2007 | R | 6 | 6 | 4.18 | .297 | .340 | 1.31 | 9.0 | 2.8 | 6.2 | 99 | 99 | 9 | 31 | 68 | 0 | 0 | 7 | 98 | 16 | C |
| SP | Clemens, R.Clemens, Roger HOU | 45 | 2007 | R | 6 | 6 | 4.18 | .297 | .340 | 1.31 | 9.0 | 2.8 | 6.2 | 99 | 99 | 9 | 31 | 68 | 0 | 0 | 7 | 98 | 16 | C |
| RP | Clippard, T.Clippard, Tyler CLE | 37 | 2022 | R | 0 | 0 | 7.20 | .286 | .440 | 2.00 | 10.8 | 7.2 | 7.2 | 5 | 6 | 1 | 4 | 4 | 0 | 0 | 0 | 25 | 14 | C |
| RP | Clippard, T.Clippard, Tyler MIN | 37 | 2022 | R | 0 | 0 | 7.20 | .286 | .440 | 2.00 | 10.8 | 7.2 | 7.2 | 5 | 6 | 1 | 4 | 4 | 0 | 0 | 0 | 25 | 14 | C |
| RP | Clippard, T.Clippard, Tyler TOR | 37 | 2022 | R | 0 | 0 | 7.20 | .286 | .440 | 2.00 | 10.8 | 7.2 | 7.2 | 5 | 6 | 1 | 4 | 4 | 0 | 0 | 0 | 25 | 14 | C |
| RP | Clippard, T.Clippard, Tyler WAS | 37 | 2022 | R | 0 | 0 | 7.20 | .286 | .440 | 2.00 | 10.8 | 7.2 | 7.2 | 5 | 6 | 1 | 4 | 4 | 0 | 0 | 0 | 25 | 14 | C |
| SP | Cobb, A.Cobb, Alex TB | 36 | 2024 | R | 2 | 1 | 2.76 | .227 | .300 | 1.06 | 7.9 | 1.7 | 5.6 | 16 | 14 | 1 | 3 | 10 | 0 | 0 | 0 | 95 | 20 | C |
| SP | Cole, G.Cole, Gerrit HOU | 33 | 2024 | R | 8 | 5 | 3.41 | .266 | .310 | 1.13 | 7.4 | 2.7 | 9.4 | 95 | 78 | 11 | 29 | 99 | 0 | 0 | 0 | 99 | 19 | C |
| SP | Cole, G.Cole, Gerrit NYY | 33 | 2024 | R | 8 | 5 | 3.41 | .266 | .310 | 1.13 | 7.4 | 2.7 | 9.4 | 95 | 78 | 11 | 29 | 99 | 0 | 0 | 0 | 99 | 19 | C |
| SP | Cole, G.Cole, Gerrit PIT | 33 | 2024 | R | 8 | 5 | 3.41 | .266 | .310 | 1.13 | 7.4 | 2.7 | 9.4 | 95 | 78 | 11 | 29 | 99 | 0 | 0 | 0 | 99 | 19 | C |
| RP | Coleman, L.Coleman, Louis KC | 28 | 2014 | R | 1 | 0 | 5.56 | .337 | .400 | 1.68 | 10.3 | 4.8 | 6.4 | 34 | 39 | 6 | 18 | 24 | 0 | 1 | 3 | 23 | 18 | C |
| RP | Collins, T.Collins, Tim KC | 24 | 2014 | L | 0 | 3 | 3.86 | .284 | .350 | 1.38 | 7.7 | 4.7 | 6.4 | 21 | 18 | 2 | 11 | 15 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Collmenter, J.Collmenter, Josh AZ | 31 | 2017 | R | 0 | 2 | 9.00 | .365 | .450 | 2.06 | 15.4 | 3.2 | 9.5 | 17 | 29 | 7 | 6 | 18 | 0 | 0 | 1 | 30 | 28 | C |
| RP | Colome, A.Colome, Alex TB | 33 | 2022 | R | 2 | 7 | 5.74 | .343 | .400 | 1.68 | 10.9 | 4.2 | 6.1 | 47 | 57 | 5 | 22 | 32 | 0 | 4 | 4 | 23 | 16 | C |
| SP | Combs, P.Combs, Pat PHI | 26 | 1992 | L | 1 | 1 | 7.71 | .333 | .410 | 1.78 | 10.0 | 6.0 | 5.5 | 18 | 20 | 0 | 12 | 11 | 0 | 0 | 1 | 80 | 15 | C |
| SP | Cone, D.Cone, David KC | 39 | 2001 | R | 9 | 7 | 4.31 | .337 | .380 | 1.56 | 10.1 | 3.9 | 7.3 | 135 | 152 | 17 | 59 | 109 | 0 | 0 | 9 | 95 | 16 | C |
| SP | Cone, D.Cone, David TOR | 38 | 2001 | R | 9 | 7 | 4.31 | .331 | .380 | 1.52 | 9.9 | 3.8 | 7.7 | 135 | 148 | 17 | 57 | 115 | 0 | 0 | 9 | 96 | 17 | C |
| RP | Cook, R.Cook, Ryan OAK | 27 | 2014 | R | 1 | 3 | 3.42 | .252 | .300 | 1.08 | 5.8 | 4.0 | 9.0 | 50 | 32 | 3 | 22 | 50 | 0 | 1 | 3 | 23 | 20 | C |
| SP | Corcoran, L.Corcoran, Larry CHC | 28 | 1887 | R | 0 | 2 | 12.60 | .433 | .520 | 2.80 | 13.8 | 11.4 | 2.4 | 15 | 23 | 3 | 19 | 4 | 1 | 0 | 0 | 132 | 14 | C |
| RP | Cordero, C.Cordero, Chad WAS | 26 | 2008 | R | 0 | 0 | 2.08 | .290 | .470 | 2.25 | 13.5 | 6.8 | 11.3 | 4 | 6 | 0 | 3 | 5 | 0 | 0 | 1 | 23 | 15 | C |
| RP | Corsi, J.Corsi, Jim OAK | 38 | 1999 | R | 1 | 3 | 4.34 | .331 | .390 | 1.62 | 9.7 | 4.9 | 5.4 | 37 | 40 | 6 | 20 | 22 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Cortes, D.Cortes, David COL | 33 | 2006 | R | 3 | 1 | 4.30 | .297 | .360 | 1.41 | 10.9 | 1.9 | 4.3 | 29 | 35 | 3 | 6 | 14 | 0 | 0 | 0 | 23 | 14 | C |
| RP | Cotts, N.Cotts, Neal TEX | 35 | 2015 | L | 1 | 0 | 3.41 | .287 | .340 | 1.27 | 8.3 | 3.1 | 8.3 | 63 | 58 | 12 | 22 | 58 | 0 | 0 | 2 | 23 | 18 | C |
| RP | Cousins, J.Cousins, Jake NYY | 29 | 2024 | R | 2 | 1 | 2.37 | .244 | .300 | 1.05 | 4.7 | 4.7 | 12.6 | 38 | 20 | 5 | 20 | 53 | 0 | 1 | 4 | 23 | 23 | C |
| SP | Coveleski, S.Coveleski, Stan CLE | 39 | 1928 | R | 5 | 1 | 5.74 | .333 | .380 | 1.59 | 11.2 | 3.1 | 0.8 | 58 | 72 | 5 | 20 | 5 | 2 | 0 | 0 | 86 | 10 | C |
| SP | Coveleski, H.Coveleski, Harry DET | 32 | 1918 | L | 0 | 1 | 3.86 | .307 | .390 | 1.64 | 10.9 | 3.9 | 1.9 | 14 | 17 | 0 | 6 | 3 | 1 | 0 | 0 | 83 | 13 | C |
| RP | Crain, J.Crain, Jesse CWS | 32 | 2013 | R | 2 | 3 | 0.74 | .263 | .320 | 1.17 | 7.8 | 2.8 | 11.5 | 36 | 31 | 0 | 11 | 46 | 0 | 0 | 0 | 23 | 21 | C |
| RP | Crichton, S.Crichton, Stefan AZ | 29 | 2021 | R | 0 | 4 | 7.33 | .363 | .430 | 1.96 | 12.9 | 4.7 | 6.7 | 23 | 33 | 3 | 12 | 17 | 0 | 4 | 3 | 23 | 18 | C |
| RP | Crow, A.Crow, Aaron KC | 27 | 2014 | R | 6 | 1 | 4.12 | .289 | .340 | 1.29 | 7.9 | 3.7 | 5.2 | 59 | 52 | 10 | 24 | 34 | 0 | 3 | 2 | 23 | 15 | C |
| RP | Cruz, J.Cruz, Juan AZ | 34 | 2012 | R | 1 | 1 | 2.78 | .335 | .390 | 1.66 | 10.0 | 4.9 | 8.5 | 35 | 39 | 3 | 19 | 33 | 0 | 3 | 1 | 23 | 21 | C |
| RP | Cruz, V.Cruz, Victor TOR | 26 | 1983 | R | 1 | 3 | 1.44 | .234 | .300 | 1.04 | 5.8 | 3.6 | 6.5 | 25 | 16 | 2 | 10 | 18 | 0 | 5 | 0 | 29 | 19 | C |
| RP | Cuellar, M.Cuellar, Mike BAL | 40 | 1977 | L | 0 | 1 | 18.90 | .387 | .610 | 4.00 | 27.0 | 9.0 | 9.0 | 3 | 9 | 2 | 3 | 3 | 0 | 0 | 0 | 30 | 13 | C |
| SP | Cueto, J.Cueto, Johnny CIN | 33 | 2019 | R | 1 | 2 | 5.06 | .256 | .330 | 1.25 | 6.2 | 5.1 | 7.3 | 16 | 11 | 3 | 9 | 13 | 0 | 0 | 1 | 72 | 23 | C |
| SP | Cueto, J.Cueto, Johnny KC | 38 | 2024 | R | 0 | 2 | 7.15 | .283 | .380 | 1.55 | 11.5 | 2.5 | 4.9 | 11 | 14 | 4 | 3 | 6 | 0 | 0 | 0 | 98 | 16 | C |
| SP | Culp, R.Culp, Ray BOS | 32 | 1973 | R | 2 | 6 | 4.47 | .328 | .380 | 1.56 | 8.3 | 5.8 | 5.8 | 50 | 46 | 9 | 32 | 32 | 0 | 0 | 3 | 89 | 16 | C |
| SP | Daily, E.Daily, Ed PHI | 29 | 1891 | R | 4 | 8 | 5.74 | .365 | .410 | 1.77 | 12.1 | 3.9 | 2.2 | 111 | 149 | 6 | 48 | 27 | 11 | 0 | 10 | 130 | 12 | C |
| SP | Darling, R.Darling, Ron NYM | 35 | 1995 | R | 4 | 7 | 6.23 | .346 | .390 | 1.63 | 10.7 | 4.0 | 6.0 | 104 | 124 | 16 | 46 | 69 | 1 | 0 | 5 | 88 | 16 | C |
| SP | Darwin, D.Darwin, Danny MIL | 43 | 1998 | R | 8 | 10 | 5.51 | .331 | .380 | 1.52 | 10.7 | 3.0 | 4.9 | 148 | 176 | 23 | 49 | 81 | 0 | 0 | 4 | 80 | 15 | C |
| RP | Dauss, H.Dauss, Hooks DET | 37 | 1926 | R | 12 | 6 | 4.20 | .325 | .370 | 1.48 | 9.8 | 3.6 | 2.0 | 124 | 135 | 6 | 49 | 27 | 0 | 9 | 0 | 64 | 12 | C |
| SP | Davies, Z.Davies, Zach SD | 30 | 2023 | R | 2 | 5 | 7.00 | .349 | .400 | 1.67 | 10.8 | 4.3 | 7.9 | 82 | 98 | 10 | 39 | 72 | 0 | 0 | 0 | 81 | 18 | C |
| RP | Davis, M.Davis, Mark SF | 34 | 1994 | L | 0 | 1 | 8.82 | .363 | .450 | 2.06 | 11.3 | 7.3 | 8.4 | 16 | 20 | 4 | 13 | 15 | 0 | 0 | 0 | 23 | 25 | C |
| RP | Davis, W.Davis, Wade TB | 35 | 2021 | R | 0 | 3 | 6.75 | .317 | .370 | 1.50 | 9.4 | 4.1 | 8.1 | 42 | 44 | 8 | 19 | 38 | 0 | 2 | 4 | 23 | 19 | C |
| RP | Davis, W.Davis, Wade KC | 35 | 2021 | R | 0 | 3 | 6.75 | .317 | .370 | 1.50 | 9.4 | 4.1 | 8.1 | 42 | 44 | 8 | 19 | 38 | 0 | 2 | 4 | 23 | 19 | C |
| RP | Davis, W.Davis, Wade COL | 33 | 2019 | R | 1 | 6 | 8.65 | .370 | .430 | 1.90 | 10.9 | 6.2 | 9.0 | 42 | 51 | 7 | 29 | 42 | 0 | 15 | 1 | 23 | 20 | C |
| RP | Dean, D.Dean, Dizzy CHC | 31 | 1941 | R | 0 | 0 | 18.00 | .188 | .540 | 3.00 | 27.0 | 0.0 | 9.0 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 23 | 11 | C |
| RP | Dean, D.Dean, Dizzy STL | 31 | 1941 | R | 0 | 0 | 18.00 | .188 | .540 | 3.00 | 27.0 | 0.0 | 9.0 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 23 | 11 | C |
| RP | Delgado, R.Delgado, Randall AZ | 28 | 2018 | R | 2 | 0 | 4.76 | .283 | .380 | 1.55 | 9.0 | 4.9 | 4.1 | 11 | 11 | 3 | 6 | 5 | 0 | 0 | 2 | 23 | 15 | C |
| SP | Denny, J.Denny, John PHI | 34 | 1986 | R | 11 | 10 | 4.20 | .310 | .350 | 1.37 | 9.4 | 2.9 | 6.1 | 171 | 179 | 15 | 56 | 115 | 2 | 0 | 2 | 112 | 16 | C |
| SP | Derringer, P.Derringer, Paul CIN | 39 | 1945 | R | 16 | 11 | 3.45 | .297 | .340 | 1.29 | 9.4 | 2.2 | 3.6 | 213 | 223 | 8 | 51 | 86 | 15 | 4 | 2 | 107 | 13 | C |
| RP | Deshaies, J.Deshaies, Jim HOU | 35 | 1995 | L | 0 | 1 | 20.25 | .390 | .560 | 3.20 | 27.0 | 1.8 | 10.8 | 5 | 15 | 3 | 1 | 6 | 0 | 0 | 0 | 46 | 16 | C |
| SU | Devine, J.Devine, Joey OAK | 25 | 2008 | R | 6 | 1 | 0.59 | .208 | .260 | 0.84 | 4.6 | 3.0 | 9.8 | 45 | 23 | 0 | 15 | 49 | 0 | 1 | 0 | 23 | 19 | C |
| RP | Devine, A.Devine, Adrian TEX | 29 | 1980 | R | 1 | 1 | 4.82 | .382 | .450 | 2.07 | 15.8 | 2.9 | 2.6 | 28 | 49 | 4 | 9 | 8 | 0 | 0 | 0 | 41 | 12 | C |
| RP | Diaz, A.Diaz, Alexis CIN | 28 | 2025 | R | 1 | 0 | 8.15 | .307 | .390 | 1.59 | 7.9 | 6.4 | 9.0 | 17 | 15 | 6 | 12 | 17 | 0 | 0 | 0 | 23 | 27 | C |
| SP | Dinneen, B.Dinneen, Bill BOS | 33 | 1909 | R | 6 | 7 | 3.46 | .290 | .330 | 1.26 | 9.0 | 2.3 | 2.1 | 112 | 112 | 3 | 29 | 26 | 8 | 0 | 2 | 116 | 12 | C |
| SP | Donahue, R.Donahue, Red PHI | 33 | 1906 | R | 13 | 14 | 2.73 | .300 | .340 | 1.30 | 9.7 | 2.0 | 3.1 | 241 | 260 | 1 | 54 | 82 | 26 | 0 | 0 | 140 | 13 | C |
| SP | Donovan, B.Donovan, Bill DET | 36 | 1912 | R | 1 | 0 | 0.90 | .149 | .230 | 0.70 | 4.5 | 1.8 | 5.4 | 10 | 5 | 0 | 2 | 6 | 0 | 0 | 0 | 61 | 16 | C |
| RP | Donovan, D.Donovan, Dick TEX | 38 | 1965 | R | 1 | 3 | 5.96 | .333 | .400 | 1.73 | 13.1 | 2.5 | 4.9 | 22 | 32 | 6 | 6 | 12 | 0 | 0 | 2 | 35 | 16 | C |
| RP | Doolittle, S.Doolittle, Sean WAS | 35 | 2022 | L | 0 | 0 | 0.00 | .038 | .100 | 0.20 | 1.8 | 0.0 | 10.8 | 5 | 1 | 0 | 0 | 6 | 0 | 0 | 0 | 23 | 16 | C |
| RP | Doolittle, S.Doolittle, Sean OAK | 35 | 2022 | L | 0 | 0 | 0.00 | .038 | .100 | 0.20 | 1.8 | 0.0 | 10.8 | 5 | 1 | 0 | 0 | 6 | 0 | 0 | 0 | 23 | 16 | C |
| RP | Dotel, O.Dotel, Octavio TOR | 39 | 2012 | R | 5 | 3 | 3.57 | .252 | .300 | 1.07 | 7.8 | 1.9 | 9.6 | 58 | 50 | 3 | 12 | 62 | 0 | 1 | 2 | 23 | 20 | C |
| RP | Downing, A.Downing, Al NYY | 36 | 1977 | L | 0 | 1 | 6.75 | .352 | .430 | 1.90 | 9.9 | 7.2 | 10.4 | 20 | 22 | 4 | 16 | 23 | 0 | 0 | 1 | 32 | 21 | C |
| RP | Drabowsky, M.Drabowsky, Moe BAL | 37 | 1972 | R | 1 | 1 | 2.57 | .307 | .370 | 1.46 | 9.0 | 4.1 | 6.7 | 35 | 35 | 4 | 16 | 26 | 0 | 2 | 3 | 23 | 18 | C |
| RP | Drabowsky, M.Drabowsky, Moe KC | 37 | 1972 | R | 1 | 1 | 2.57 | .307 | .370 | 1.46 | 9.0 | 4.1 | 6.7 | 35 | 35 | 4 | 16 | 26 | 0 | 2 | 3 | 23 | 18 | C |
| SP | Dravecky, D.Dravecky, Dave SD | 33 | 1989 | L | 2 | 0 | 3.46 | .197 | .270 | 0.92 | 5.5 | 2.8 | 3.5 | 13 | 8 | 2 | 4 | 5 | 0 | 0 | 1 | 114 | 15 | C |
| RP | Dull, R.Dull, Ryan OAK | 28 | 2018 | R | 0 | 0 | 4.26 | .254 | .320 | 1.16 | 7.9 | 2.5 | 7.6 | 25 | 22 | 3 | 7 | 21 | 0 | 0 | 3 | 23 | 20 | C |
| RP | Dumont, G.Dumont, George MIN | 24 | 1919 | R | 0 | 4 | 4.33 | .358 | .420 | 1.83 | 11.6 | 4.9 | 3.1 | 35 | 45 | 1 | 19 | 12 | 0 | 0 | 5 | 50 | 14 | C |
| RP | Dunn, M.Dunn, Michael FL | 34 | 2019 | L | 1 | 0 | 7.13 | .274 | .350 | 1.35 | 9.0 | 3.2 | 7.9 | 17 | 17 | 4 | 6 | 15 | 0 | 0 | 2 | 23 | 25 | C |
| RP | Duren, R.Duren, Ryne NYY | 36 | 1965 | R | 1 | 1 | 5.56 | .333 | .390 | 1.65 | 9.0 | 5.8 | 6.4 | 34 | 34 | 0 | 22 | 24 | 0 | 0 | 4 | 30 | 18 | C |
| RP | Durocher, J.Durocher, Jayson MIL | 29 | 2003 | R | 2 | 0 | 11.05 | .262 | .380 | 1.57 | 11.6 | 2.6 | 9.0 | 7 | 9 | 4 | 2 | 7 | 0 | 0 | 2 | 24 | 17 | C |
| RP | Eckersley, D.Eckersley, Dennis OAK | 44 | 1998 | R | 4 | 1 | 4.76 | .298 | .350 | 1.38 | 10.6 | 1.8 | 5.1 | 39 | 46 | 6 | 8 | 22 | 0 | 1 | 0 | 23 | 15 | C |
| RP | Edgin, J.Edgin, Josh NYM | 30 | 2017 | L | 0 | 1 | 3.65 | .320 | .380 | 1.54 | 9.5 | 4.4 | 6.6 | 37 | 39 | 3 | 18 | 27 | 0 | 1 | 1 | 23 | 16 | C |
| RP | Edwards, C.Edwards, Carl CHC | 31 | 2023 | R | 1 | 3 | 3.69 | .318 | .380 | 1.55 | 9.0 | 4.9 | 7.0 | 31 | 31 | 1 | 17 | 24 | 0 | 2 | 2 | 23 | 18 | C |
| RP | Eichhorn, M.Eichhorn, Mark TOR | 36 | 1996 | R | 1 | 2 | 5.04 | .320 | .380 | 1.57 | 10.8 | 3.3 | 7.2 | 30 | 36 | 3 | 11 | 24 | 0 | 0 | 0 | 25 | 18 | C |
| SP | Eickhoff, J.Eickhoff, Jerad PHI | 28 | 2019 | R | 3 | 4 | 5.71 | .292 | .340 | 1.31 | 9.0 | 2.8 | 7.9 | 58 | 58 | 18 | 18 | 51 | 0 | 1 | 0 | 86 | 18 | C |
| RP | Eldred, C.Eldred, Cal MIL | 38 | 2005 | R | 1 | 0 | 2.19 | .305 | .360 | 1.43 | 8.5 | 4.4 | 7.1 | 37 | 35 | 3 | 18 | 29 | 0 | 0 | 0 | 24 | 17 | C |
| RP | Elston, D.Elston, Don CHC | 35 | 1964 | R | 2 | 5 | 5.30 | .372 | .430 | 1.89 | 11.3 | 5.7 | 4.3 | 54 | 68 | 4 | 34 | 26 | 0 | 1 | 3 | 23 | 14 | C |
| RP | Escalona, E.Escalona, Edgmer COL | 26 | 2013 | R | 1 | 4 | 5.67 | .308 | .360 | 1.43 | 10.2 | 2.7 | 6.7 | 46 | 52 | 8 | 14 | 34 | 0 | 0 | 2 | 25 | 16 | C |
| SP | Estrada, M.Estrada, Marco MIL | 36 | 2019 | R | 0 | 2 | 6.85 | .282 | .350 | 1.35 | 9.0 | 3.1 | 4.3 | 23 | 23 | 7 | 8 | 11 | 0 | 0 | 2 | 82 | 15 | C |
| SP | Estrada, M.Estrada, Marco TOR | 36 | 2019 | R | 0 | 2 | 6.85 | .282 | .350 | 1.35 | 9.0 | 3.1 | 4.3 | 23 | 23 | 7 | 8 | 11 | 0 | 0 | 2 | 82 | 15 | C |
| RP | Farr, S.Farr, Steve NYY | 38 | 1994 | R | 2 | 1 | 5.72 | .386 | .450 | 2.11 | 13.2 | 5.8 | 6.4 | 28 | 41 | 5 | 18 | 20 | 0 | 4 | 2 | 23 | 16 | C |
| RP | Farr, S.Farr, Steve KC | 38 | 1994 | R | 2 | 1 | 5.72 | .386 | .450 | 2.11 | 13.2 | 5.8 | 6.4 | 28 | 41 | 5 | 18 | 20 | 0 | 4 | 2 | 23 | 16 | C |
| RP | Farrell, T.Farrell, Turk HOU | 35 | 1969 | R | 3 | 4 | 4.00 | .339 | .390 | 1.61 | 11.2 | 3.3 | 4.9 | 74 | 92 | 8 | 27 | 40 | 0 | 3 | 2 | 31 | 15 | C |
| RP | Feliz, N.Feliz, Neftali TEX | 29 | 2017 | R | 2 | 5 | 5.48 | .299 | .350 | 1.37 | 7.8 | 4.5 | 7.2 | 46 | 40 | 9 | 23 | 37 | 0 | 8 | 1 | 23 | 17 | C |
| SP | Feller, B.Feller, Bob CLE | 23 | 1941 | R | 25 | 13 | 3.15 | .315 | .360 | 1.39 | 7.5 | 5.1 | 6.8 | 343 | 284 | 15 | 194 | 260 | 28 | 2 | 6 | 137 | 16 | C |
| SP | Ferguson, C.Ferguson, Charlie PHI | 24 | 1887 | R | 22 | 10 | 3.00 | .276 | .320 | 1.16 | 9.0 | 1.4 | 3.8 | 297 | 297 | 13 | 47 | 125 | 31 | 1 | 5 | 140 | 13 | C |
| SP | Fernandez, S.Fernandez, Sid NYM | 35 | 1997 | L | 1 | 0 | 3.60 | .194 | .320 | 1.20 | 7.2 | 3.6 | 5.4 | 5 | 4 | 1 | 2 | 3 | 0 | 0 | 0 | 89 | 13 | C |
| SP | Fernandez, S.Fernandez, Sid PHI | 35 | 1997 | L | 1 | 0 | 3.60 | .194 | .320 | 1.20 | 7.2 | 3.6 | 5.4 | 5 | 4 | 1 | 2 | 3 | 0 | 0 | 0 | 89 | 13 | C |
| RP | Fetters, M.Fetters, Mike MIL | 40 | 2004 | R | 0 | 1 | 8.68 | .366 | .450 | 2.06 | 11.5 | 7.0 | 7.0 | 18 | 23 | 2 | 14 | 14 | 0 | 1 | 4 | 23 | 17 | C |
| RP | Fields, J.Fields, Josh LA | 32 | 2018 | R | 2 | 2 | 2.20 | .227 | .280 | 0.95 | 6.1 | 2.4 | 7.2 | 41 | 28 | 4 | 11 | 33 | 0 | 2 | 0 | 23 | 18 | C |
| SU | Fields, J.Fields, Josh HOU | 32 | 2018 | R | 2 | 2 | 2.20 | .227 | .280 | 0.95 | 6.1 | 2.4 | 7.2 | 41 | 28 | 4 | 11 | 33 | 0 | 2 | 0 | 23 | 18 | C |
| RP | Fingers, R.Fingers, Rollie OAK | 39 | 1985 | R | 1 | 6 | 5.04 | .308 | .360 | 1.42 | 9.7 | 3.1 | 3.9 | 55 | 59 | 9 | 19 | 24 | 0 | 17 | 1 | 24 | 14 | C |
| RP | Fingers, R.Fingers, Rollie SD | 40 | 1985 | R | 1 | 6 | 5.04 | .322 | .370 | 1.51 | 10.1 | 3.4 | 3.3 | 55 | 62 | 9 | 21 | 20 | 0 | 17 | 1 | 22 | 13 | C |
| RP | Fingers, R.Fingers, Rollie MIL | 40 | 1985 | R | 1 | 6 | 5.04 | .319 | .370 | 1.49 | 9.8 | 3.6 | 3.8 | 55 | 60 | 9 | 22 | 23 | 0 | 17 | 1 | 22 | 13 | C |
| SP | Fister, D.Fister, Doug DET | 34 | 2018 | R | 1 | 7 | 4.50 | .307 | .360 | 1.39 | 10.0 | 2.6 | 5.5 | 66 | 73 | 11 | 19 | 40 | 0 | 0 | 1 | 98 | 15 | C |
| RP | Fitzsimmons, F.Fitzsimmons, Freddie SF | 41 | 1942 | R | 0 | 0 | 15.00 | .269 | .480 | 2.33 | 18.0 | 3.0 | 0.0 | 3 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 55 | 7 | C |
| SP | Flande, Y.Flande, Yohan COL | 29 | 2015 | R | 3 | 3 | 4.74 | .314 | .360 | 1.44 | 9.7 | 3.3 | 5.7 | 68 | 73 | 14 | 25 | 43 | 0 | 0 | 1 | 65 | 16 | C |
| SP | Ford, R.Ford, Russ NYY | 32 | 1915 | R | 5 | 9 | 4.52 | .325 | .370 | 1.48 | 9.9 | 3.4 | 2.4 | 127 | 140 | 7 | 48 | 34 | 7 | 0 | 3 | 107 | 12 | C |
| SP | Forsch, K.Forsch, Ken CAL | 38 | 1984 | R | 1 | 1 | 2.20 | .227 | .300 | 1.06 | 7.9 | 1.7 | 5.6 | 16 | 14 | 2 | 3 | 10 | 1 | 0 | 0 | 140 | 20 | C |
| RP | Foulke, K.Foulke, Keith BOS | 36 | 2008 | R | 0 | 3 | 4.06 | .285 | .340 | 1.32 | 8.1 | 3.8 | 6.7 | 31 | 28 | 7 | 13 | 23 | 0 | 1 | 1 | 23 | 17 | C |
| RP | Foulke, K.Foulke, Keith OAK | 34 | 2006 | R | 3 | 1 | 4.35 | .273 | .330 | 1.20 | 9.6 | 1.3 | 6.6 | 49 | 52 | 9 | 7 | 36 | 0 | 0 | 2 | 23 | 17 | C |
| RP | Foulke, K.Foulke, Keith CWS | 36 | 2008 | R | 0 | 3 | 4.06 | .285 | .340 | 1.32 | 8.1 | 3.8 | 6.7 | 31 | 28 | 7 | 13 | 23 | 0 | 1 | 1 | 23 | 17 | C |
| RP | Fowler, A.Fowler, Art CAL | 42 | 1964 | R | 0 | 2 | 10.29 | .295 | .420 | 1.86 | 10.3 | 6.4 | 6.4 | 7 | 8 | 2 | 5 | 5 | 0 | 1 | 0 | 34 | 15 | C |
| RP | Franco, J.Franco, John NYM | 45 | 2005 | L | 0 | 1 | 7.20 | .368 | .450 | 2.13 | 13.8 | 5.4 | 9.6 | 15 | 23 | 0 | 9 | 16 | 0 | 0 | 0 | 23 | 26 | C |
| RP | Fraser, W.Fraser, Willie CAL | 31 | 1995 | R | 2 | 1 | 5.61 | .286 | .350 | 1.36 | 9.0 | 3.2 | 4.3 | 25 | 25 | 6 | 9 | 12 | 0 | 2 | 2 | 23 | 16 | C |
| SP | Freeman, M.Freeman, Marvin COL | 33 | 1996 | R | 7 | 9 | 6.15 | .346 | .390 | 1.63 | 10.6 | 4.0 | 4.9 | 131 | 155 | 21 | 58 | 72 | 0 | 0 | 13 | 86 | 15 | C |
| RP | Frieri, E.Frieri, Ernesto SD | 29 | 2015 | R | 1 | 0 | 4.63 | .282 | .350 | 1.35 | 7.8 | 4.3 | 7.4 | 23 | 20 | 6 | 11 | 19 | 0 | 2 | 1 | 23 | 19 | C |
| RP | Frohwirth, T.Frohwirth, Todd PHI | 32 | 1994 | R | 0 | 3 | 10.80 | .393 | .460 | 2.19 | 13.8 | 5.9 | 4.5 | 26 | 40 | 3 | 17 | 13 | 0 | 1 | 1 | 24 | 16 | C |
| RP | Fromme, A.Fromme, Art CIN | 32 | 1915 | R | 0 | 1 | 5.84 | .270 | .360 | 1.42 | 11.3 | 1.5 | 3.0 | 12 | 15 | 1 | 2 | 4 | 0 | 0 | 1 | 55 | 14 | C |
| SP | Frost, D.Frost, Dave CAL | 30 | 1982 | R | 6 | 6 | 5.51 | .345 | .390 | 1.64 | 11.4 | 3.3 | 2.9 | 81 | 103 | 7 | 30 | 26 | 0 | 0 | 4 | 70 | 12 | C |
| RP | Fuentes, B.Fuentes, Brian COL | 37 | 2012 | L | 2 | 2 | 6.84 | .320 | .390 | 1.60 | 10.8 | 3.6 | 6.5 | 25 | 30 | 5 | 10 | 18 | 0 | 5 | 2 | 23 | 19 | C |
| RP | Fultz, A.Fultz, Aaron PHI | 34 | 2007 | L | 4 | 3 | 2.92 | .288 | .350 | 1.32 | 7.5 | 4.4 | 6.8 | 37 | 31 | 2 | 18 | 28 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Gagne, E.Gagne, Eric LA | 32 | 2008 | R | 4 | 3 | 5.44 | .315 | .370 | 1.48 | 9.0 | 4.3 | 7.4 | 46 | 46 | 11 | 22 | 38 | 0 | 10 | 1 | 23 | 17 | C |
| RP | Gallegos, G.Gallegos, Giovanny STL | 32 | 2024 | R | 2 | 1 | 6.53 | .327 | .400 | 1.70 | 10.8 | 4.5 | 9.5 | 20 | 24 | 6 | 10 | 21 | 0 | 1 | 1 | 23 | 20 | C |
| RP | Garber, G.Garber, Gene PHI | 41 | 1988 | R | 0 | 4 | 3.58 | .284 | .340 | 1.31 | 8.2 | 3.7 | 5.6 | 32 | 29 | 4 | 13 | 20 | 0 | 6 | 0 | 25 | 16 | C |
| RP | Garcia, J.Garcia, Jaime STL | 32 | 2018 | L | 3 | 6 | 5.93 | .329 | .380 | 1.54 | 9.2 | 4.6 | 8.4 | 74 | 76 | 13 | 38 | 69 | 0 | 0 | 6 | 54 | 18 | C |
| SP | Garcia, F.Garcia, Freddy SEA | 37 | 2013 | R | 4 | 7 | 4.37 | .286 | .330 | 1.25 | 9.3 | 1.9 | 5.2 | 80 | 83 | 18 | 17 | 46 | 0 | 0 | 1 | 84 | 15 | C |
| RP | Garrelts, S.Garrelts, Scott SF | 30 | 1991 | R | 1 | 1 | 6.41 | .337 | .410 | 1.79 | 11.8 | 4.3 | 3.8 | 19 | 25 | 5 | 9 | 8 | 0 | 0 | 0 | 44 | 14 | C |
| RP | Gasser, R.Gasser, Robert MIL | 26 | 2025 | L | 0 | 2 | 3.18 | .265 | .410 | 1.80 | 9.0 | 7.2 | 9.0 | 5 | 5 | 1 | 4 | 5 | 0 | 0 | 0 | 46 | 15 | C |
| SU | Giles, K.Giles, Ken TOR | 28 | 2019 | R | 2 | 3 | 1.87 | .239 | .290 | 1.00 | 6.1 | 2.9 | 14.1 | 53 | 36 | 5 | 17 | 83 | 0 | 23 | 2 | 23 | 26 | C |
| CL | Giles, K.Giles, Ken HOU | 28 | 2019 | R | 2 | 3 | 1.87 | .239 | .290 | 1.00 | 6.1 | 2.9 | 14.1 | 53 | 36 | 5 | 17 | 83 | 0 | 23 | 2 | 23 | 26 | C |
| RP | Giles, K.Giles, Ken PHI | 28 | 2019 | R | 2 | 3 | 1.87 | .239 | .290 | 1.00 | 6.1 | 2.9 | 14.1 | 53 | 36 | 5 | 17 | 83 | 0 | 23 | 2 | 23 | 26 | C |
| RP | Gladding, F.Gladding, Fred DET | 37 | 1973 | R | 2 | 0 | 4.50 | .275 | .350 | 1.38 | 10.1 | 2.3 | 5.1 | 16 | 18 | 4 | 4 | 9 | 0 | 1 | 0 | 23 | 19 | C |
| SP | Glade, F.Glade, Fred BAL | 32 | 1908 | R | 0 | 4 | 4.22 | .293 | .350 | 1.38 | 8.4 | 3.9 | 3.1 | 32 | 30 | 0 | 14 | 11 | 2 | 0 | 1 | 113 | 13 | C |
| SP | Goldsmith, F.Goldsmith, Fred CHC | 28 | 1884 | R | 12 | 12 | 4.05 | .315 | .360 | 1.40 | 11.3 | 1.3 | 1.9 | 218 | 274 | 11 | 31 | 45 | 23 | 0 | 10 | 140 | 11 | C |
| RP | Gonzalez, G.Gonzalez, Gio WAS | 35 | 2020 | L | 1 | 2 | 4.83 | .364 | .430 | 1.90 | 11.6 | 5.5 | 9.9 | 31 | 40 | 6 | 19 | 34 | 0 | 0 | 2 | 48 | 21 | C |
| RP | Gonzalez, M.Gonzalez, Mike ATL | 35 | 2013 | L | 0 | 3 | 4.68 | .342 | .400 | 1.66 | 10.4 | 4.5 | 10.8 | 50 | 58 | 10 | 25 | 60 | 0 | 0 | 4 | 23 | 22 | C |
| RP | Gonzalez, M.Gonzalez, Mike PIT | 32 | 2010 | L | 1 | 3 | 4.01 | .281 | .350 | 1.33 | 6.8 | 5.3 | 11.6 | 24 | 18 | 1 | 14 | 31 | 0 | 1 | 3 | 23 | 25 | C |
| SP | Gooden, D.Gooden, Dwight NYM | 30 | 1994 | R | 3 | 4 | 6.31 | .314 | .370 | 1.49 | 10.1 | 3.3 | 8.8 | 41 | 46 | 9 | 15 | 40 | 0 | 0 | 2 | 104 | 20 | C |
| RP | Gordon, T.Gordon, Tom NYY | 42 | 2009 | R | 0 | 1 | 21.60 | .316 | .710 | 6.00 | 27.0 | 27.0 | 0.0 | 1 | 3 | 0 | 3 | 0 | 0 | 0 | 2 | 23 | 7 | C |
| RP | Gossage, R.Gossage, Rich SD | 43 | 1994 | R | 3 | 0 | 4.18 | .281 | .330 | 1.26 | 8.4 | 2.9 | 5.6 | 47 | 44 | 6 | 15 | 29 | 0 | 1 | 2 | 26 | 15 | C |
| RP | Goudeau, A.Goudeau, Ashton COL | 29 | 2022 | R | 1 | 0 | 7.08 | .333 | .410 | 1.75 | 11.3 | 4.5 | 7.2 | 20 | 25 | 3 | 10 | 16 | 0 | 1 | 3 | 32 | 18 | C |
| RP | Gregerson, L.Gregerson, Luke HOU | 34 | 2018 | R | 0 | 0 | 7.11 | .303 | .400 | 1.67 | 10.5 | 4.5 | 9.0 | 12 | 14 | 2 | 6 | 12 | 0 | 0 | 2 | 23 | 22 | C |
| RP | Gregerson, L.Gregerson, Luke OAK | 34 | 2018 | R | 0 | 0 | 7.11 | .303 | .400 | 1.67 | 10.5 | 4.5 | 9.0 | 12 | 14 | 2 | 6 | 12 | 0 | 0 | 2 | 23 | 22 | C |
| RP | Gregerson, L.Gregerson, Luke SD | 34 | 2018 | R | 0 | 0 | 7.11 | .303 | .400 | 1.67 | 10.5 | 4.5 | 9.0 | 12 | 14 | 2 | 6 | 12 | 0 | 0 | 2 | 23 | 22 | C |
| RP | Gregg, V.Gregg, Vean CLE | 40 | 1925 | L | 2 | 2 | 4.12 | .350 | .400 | 1.69 | 10.6 | 4.6 | 2.2 | 74 | 87 | 3 | 38 | 18 | 1 | 2 | 3 | 52 | 12 | C |
| SP | Greinke, Z.Greinke, Zack AZ | 40 | 2023 | R | 2 | 15 | 5.06 | .293 | .340 | 1.27 | 10.0 | 1.5 | 6.1 | 142 | 158 | 25 | 23 | 97 | 0 | 0 | 2 | 84 | 16 | C |
| SP | Greinke, Z.Greinke, Zack HOU | 40 | 2023 | R | 2 | 15 | 5.06 | .293 | .340 | 1.27 | 10.0 | 1.5 | 6.1 | 142 | 158 | 25 | 23 | 97 | 0 | 0 | 2 | 84 | 16 | C |
| RP | Grilli, J.Grilli, Jason ATL | 41 | 2017 | R | 2 | 5 | 6.30 | .330 | .390 | 1.60 | 10.4 | 4.1 | 10.8 | 40 | 46 | 12 | 18 | 48 | 0 | 1 | 2 | 23 | 22 | C |
| RP | Grilli, J.Grilli, Jason PIT | 41 | 2017 | R | 2 | 5 | 6.30 | .330 | .390 | 1.60 | 10.4 | 4.1 | 10.8 | 40 | 46 | 12 | 18 | 48 | 0 | 1 | 2 | 23 | 22 | C |
| RP | Grilli, J.Grilli, Jason COL | 41 | 2017 | R | 2 | 5 | 6.30 | .330 | .390 | 1.60 | 10.4 | 4.1 | 10.8 | 40 | 46 | 12 | 18 | 48 | 0 | 1 | 2 | 23 | 22 | C |
| RP | Grzenda, J.Grzenda, Joe TEX | 35 | 1972 | L | 1 | 0 | 5.66 | .354 | .410 | 1.80 | 11.8 | 4.4 | 3.9 | 35 | 46 | 1 | 17 | 15 | 0 | 0 | 3 | 24 | 15 | C |
| RP | Guante, C.Guante, Cecilio PIT | 30 | 1990 | R | 2 | 3 | 5.01 | .275 | .330 | 1.22 | 7.4 | 3.5 | 5.9 | 46 | 38 | 10 | 18 | 30 | 0 | 0 | 0 | 34 | 16 | C |
| RP | Gubicza, M.Gubicza, Mark KC | 35 | 1997 | R | 0 | 1 | 25.07 | .421 | .610 | 4.00 | 29.3 | 6.8 | 11.3 | 4 | 13 | 2 | 3 | 5 | 0 | 0 | 0 | 38 | 15 | C |
| SP | Guidry, R.Guidry, Ron NYY | 38 | 1988 | L | 2 | 3 | 4.18 | .288 | .340 | 1.29 | 9.2 | 2.4 | 5.1 | 56 | 57 | 7 | 15 | 32 | 0 | 0 | 2 | 83 | 15 | C |
| SP | Gullickson, B.Gullickson, Bill WAS | 28 | 1987 | R | 14 | 13 | 4.86 | .292 | .330 | 1.26 | 9.2 | 2.1 | 4.9 | 213 | 218 | 40 | 50 | 117 | 4 | 0 | 4 | 107 | 15 | C |
| RP | Gura, L.Gura, Larry KC | 38 | 1985 | L | 0 | 3 | 9.12 | .383 | .450 | 2.13 | 15.4 | 3.8 | 3.4 | 24 | 41 | 5 | 10 | 9 | 0 | 1 | 1 | 55 | 14 | C |
| RP | Guzman, J.Guzman, Juan TOR | 34 | 2000 | R | 0 | 1 | 43.20 | .409 | .790 | 9.00 | 63.0 | 18.0 | 27.0 | 1 | 7 | 2 | 2 | 3 | 0 | 0 | 0 | 23 | 13 | C |
| SP | Haas, M.Haas, Moose OAK | 31 | 1987 | R | 2 | 2 | 5.75 | .337 | .390 | 1.65 | 12.8 | 2.0 | 2.9 | 40 | 57 | 7 | 9 | 13 | 0 | 0 | 0 | 80 | 13 | C |
| RP | Haddix, H.Haddix, Harvey STL | 40 | 1965 | L | 3 | 2 | 3.48 | .331 | .390 | 1.64 | 8.5 | 6.3 | 5.7 | 33 | 31 | 5 | 23 | 21 | 0 | 1 | 2 | 27 | 17 | C |
| SP | Hadley, B.Hadley, Bump MIN | 37 | 1941 | R | 5 | 6 | 5.15 | .367 | .410 | 1.79 | 11.7 | 4.4 | 2.7 | 115 | 150 | 14 | 56 | 35 | 1 | 3 | 7 | 74 | 12 | C |
| SP | Hahn, N.Hahn, Noodles CIN | 27 | 1906 | L | 3 | 2 | 3.86 | .244 | .300 | 1.05 | 8.1 | 1.3 | 3.6 | 42 | 38 | 0 | 6 | 17 | 3 | 0 | 0 | 123 | 14 | C |
| SP | Hahn, J.Hahn, Jesse SD | 27 | 2017 | R | 3 | 6 | 5.30 | .326 | .380 | 1.52 | 10.2 | 3.5 | 7.2 | 69 | 78 | 4 | 27 | 55 | 0 | 0 | 2 | 88 | 17 | C |
| RP | Hall, T.Hall, Tom MIN | 30 | 1977 | L | 0 | 0 | 3.52 | .244 | .360 | 1.43 | 5.1 | 7.7 | 12.9 | 7 | 4 | 2 | 6 | 10 | 0 | 0 | 0 | 24 | 20 | C |
| RP | Hall, D.Hall, Dick PHI | 41 | 1971 | R | 6 | 6 | 4.98 | .312 | .370 | 1.47 | 10.9 | 2.3 | 5.4 | 43 | 52 | 4 | 11 | 26 | 0 | 1 | 1 | 31 | 16 | C |
| RP | Hall, D.Hall, Dick PIT | 41 | 1971 | R | 6 | 6 | 4.98 | .312 | .370 | 1.47 | 10.9 | 2.3 | 5.4 | 43 | 52 | 4 | 11 | 26 | 0 | 1 | 1 | 31 | 16 | C |
| RP | Hall, D.Hall, Dick BAL | 41 | 1971 | R | 6 | 6 | 4.98 | .312 | .370 | 1.47 | 10.9 | 2.3 | 5.4 | 43 | 52 | 4 | 11 | 26 | 0 | 1 | 1 | 31 | 16 | C |
| SP | Halladay, R.Halladay, Roy TOR | 36 | 2013 | R | 4 | 5 | 6.82 | .317 | .370 | 1.47 | 8.0 | 5.2 | 7.4 | 62 | 55 | 12 | 36 | 51 | 1 | 0 | 4 | 85 | 18 | C |
| SP | Hallett, J.Hallett, Jack PIT | 32 | 1946 | R | 5 | 7 | 3.29 | .291 | .340 | 1.27 | 8.4 | 3.1 | 5.0 | 115 | 107 | 0 | 39 | 64 | 3 | 0 | 2 | 60 | 15 | C |
| SP | Hamilton, J.Hamilton, Joey SD | 33 | 2003 | R | 0 | 0 | 12.66 | .394 | .500 | 2.60 | 18.9 | 4.5 | 6.3 | 10 | 21 | 3 | 5 | 7 | 0 | 0 | 0 | 61 | 17 | C |
| RP | Hammel, J.Hammel, Jason COL | 36 | 2018 | R | 4 | 14 | 6.02 | .346 | .390 | 1.63 | 11.9 | 2.8 | 6.5 | 127 | 168 | 18 | 39 | 92 | 0 | 0 | 3 | 59 | 16 | C |
| RP | Hampton, M.Hampton, Mike ATL | 38 | 2010 | L | 0 | 0 | 0.00 | .154 | .290 | 1.00 | 6.8 | 2.3 | 6.8 | 4 | 3 | 0 | 1 | 3 | 0 | 0 | 0 | 23 | 13 | C |
| RP | Hand, B.Hand, Brad SD | 33 | 2023 | L | 5 | 3 | 5.53 | .310 | .360 | 1.43 | 9.2 | 3.7 | 10.0 | 53 | 54 | 6 | 22 | 59 | 0 | 1 | 3 | 23 | 21 | C |
| RP | Hansen, A.Hansen, Andy PHI | 30 | 1953 | R | 0 | 2 | 4.03 | .340 | .390 | 1.65 | 10.6 | 4.2 | 3.0 | 51 | 60 | 6 | 24 | 17 | 0 | 3 | 0 | 33 | 13 | C |
| SP | Hanson, E.Hanson, Erik SEA | 32 | 1997 | R | 0 | 0 | 7.80 | .276 | .360 | 1.40 | 9.0 | 3.6 | 10.8 | 15 | 15 | 3 | 6 | 18 | 0 | 0 | 1 | 89 | 28 | C |
| RP | Hardin, J.Hardin, Jim BAL | 29 | 1972 | R | 5 | 2 | 4.41 | .321 | .370 | 1.48 | 10.6 | 2.7 | 2.8 | 79 | 93 | 11 | 24 | 25 | 1 | 2 | 4 | 56 | 13 | C |
| SP | Haren, D.Haren, Dan WAS | 35 | 2015 | R | 11 | 9 | 3.60 | .271 | .310 | 1.13 | 8.4 | 1.8 | 6.4 | 187 | 174 | 31 | 38 | 132 | 0 | 0 | 5 | 103 | 16 | C |
| SP | Haren, D.Haren, Dan AZ | 35 | 2015 | R | 11 | 9 | 3.60 | .271 | .310 | 1.13 | 8.4 | 1.8 | 6.4 | 187 | 174 | 31 | 38 | 132 | 0 | 0 | 5 | 103 | 16 | C |
| RP | Harikkala, T.Harikkala, Tim COL | 34 | 2005 | R | 0 | 0 | 6.39 | .303 | .400 | 1.67 | 12.0 | 3.0 | 5.3 | 12 | 16 | 3 | 4 | 7 | 0 | 0 | 0 | 30 | 17 | C |
| SP | Harris, G.Harris, Greg SD | 32 | 1995 | R | 0 | 5 | 8.82 | .384 | .450 | 2.06 | 14.1 | 4.5 | 5.9 | 32 | 50 | 5 | 16 | 21 | 0 | 0 | 3 | 82 | 17 | C |
| RP | Harris, W.Harris, Will AZ | 36 | 2021 | R | 0 | 1 | 9.00 | .263 | .400 | 1.67 | 10.5 | 4.5 | 13.5 | 6 | 7 | 1 | 3 | 9 | 0 | 0 | 0 | 23 | 19 | C |
| RP | Harris, W.Harris, Will HOU | 35 | 2020 | R | 0 | 1 | 3.06 | .330 | .410 | 1.76 | 11.1 | 4.8 | 11.1 | 17 | 21 | 3 | 9 | 21 | 0 | 1 | 1 | 23 | 31 | C |
| RP | Harris, G.Harris, Greg TEX | 40 | 1995 | R | 2 | 3 | 2.61 | .284 | .340 | 1.27 | 8.4 | 3.0 | 8.8 | 48 | 45 | 6 | 16 | 47 | 0 | 0 | 3 | 23 | 19 | C |
| RP | Harvey, H.Harvey, Hunter WAS | 30 | 2025 | R | 1 | 0 | 0.00 | .149 | .230 | 0.70 | 5.4 | 0.9 | 9.9 | 10 | 6 | 0 | 1 | 11 | 0 | 0 | 0 | 23 | 21 | C |
| RP | Harvey, B.Harvey, Bryan FL | 31 | 1994 | R | 0 | 0 | 5.23 | .286 | .390 | 1.60 | 10.8 | 3.6 | 9.0 | 10 | 12 | 1 | 4 | 10 | 0 | 6 | 0 | 23 | 20 | C |
| RP | Hassler, A.Hassler, Andy CAL | 34 | 1985 | L | 0 | 1 | 1.80 | .245 | .340 | 1.30 | 8.1 | 3.6 | 4.5 | 10 | 9 | 0 | 4 | 5 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Hawkins, L.Hawkins, LaTroy HOU | 38 | 2010 | R | 0 | 3 | 8.44 | .318 | .400 | 1.69 | 11.8 | 3.4 | 10.1 | 16 | 21 | 2 | 6 | 18 | 0 | 0 | 1 | 23 | 28 | C |
| RP | Hawkins, L.Hawkins, LaTroy COL | 43 | 2015 | R | 3 | 1 | 3.26 | .291 | .350 | 1.34 | 10.4 | 1.7 | 8.1 | 38 | 44 | 4 | 7 | 34 | 0 | 3 | 1 | 23 | 18 | C |
| RP | Hawksworth, B.Hawksworth, Blake LA | 28 | 2011 | R | 2 | 5 | 4.08 | .268 | .320 | 1.17 | 7.6 | 2.9 | 7.3 | 53 | 45 | 6 | 17 | 43 | 0 | 0 | 5 | 23 | 18 | C |
| SP | Hedlund, M.Hedlund, Mike KC | 26 | 1972 | R | 5 | 7 | 4.78 | .314 | .360 | 1.42 | 9.5 | 3.3 | 4.1 | 113 | 119 | 10 | 41 | 52 | 1 | 0 | 2 | 70 | 14 | C |
| SP | Hellickson, J.Hellickson, Jeremy WAS | 32 | 2019 | R | 2 | 3 | 6.23 | .345 | .400 | 1.72 | 10.8 | 4.6 | 6.9 | 39 | 47 | 9 | 20 | 30 | 0 | 0 | 1 | 78 | 17 | C |
| RP | Helling, R.Helling, Rick MIL | 36 | 2006 | R | 0 | 2 | 4.11 | .258 | .310 | 1.14 | 6.4 | 3.9 | 8.2 | 35 | 25 | 6 | 15 | 32 | 0 | 0 | 1 | 34 | 20 | C |
| RP | Hendrickson, M.Hendrickson, Mark TOR | 36 | 2010 | L | 1 | 6 | 5.26 | .332 | .380 | 1.56 | 11.6 | 2.4 | 6.6 | 75 | 97 | 9 | 20 | 55 | 0 | 0 | 2 | 29 | 16 | C |
| RP | Hendriks, L.Hendriks, Liam CWS | 34 | 2023 | R | 2 | 0 | 5.40 | .167 | .290 | 1.00 | 7.2 | 1.8 | 5.4 | 5 | 4 | 1 | 1 | 3 | 0 | 1 | 0 | 23 | 13 | C |
| RP | Henke, T.Henke, Tom TEX | 38 | 1995 | R | 1 | 1 | 1.82 | .259 | .310 | 1.11 | 7.0 | 3.0 | 8.0 | 54 | 42 | 2 | 18 | 48 | 0 | 36 | 1 | 23 | 18 | C |
| RP | Henke, T.Henke, Tom TOR | 38 | 1995 | R | 1 | 1 | 1.82 | .259 | .310 | 1.11 | 7.0 | 3.0 | 8.0 | 54 | 42 | 2 | 18 | 48 | 0 | 36 | 1 | 23 | 18 | C |
| RP | Henneman, M.Henneman, Mike DET | 35 | 1996 | R | 0 | 7 | 5.79 | .299 | .350 | 1.38 | 8.8 | 3.6 | 7.3 | 42 | 41 | 6 | 17 | 34 | 0 | 31 | 4 | 23 | 18 | C |
| RP | Henry, D.Henry, Doug MIL | 38 | 2001 | R | 2 | 2 | 6.07 | .338 | .390 | 1.60 | 9.0 | 5.4 | 6.8 | 75 | 75 | 14 | 45 | 57 | 0 | 0 | 5 | 28 | 17 | C |
| RP | Henry, B.Henry, Bill CIN | 42 | 1969 | L | 0 | 0 | 0.00 | .138 | .250 | 0.80 | 3.6 | 3.6 | 3.6 | 5 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 32 | 12 | C |
| RP | Hernandez, W.Hernandez, Willie DET | 35 | 1989 | L | 2 | 2 | 5.74 | .335 | .400 | 1.68 | 10.5 | 4.6 | 8.7 | 31 | 36 | 4 | 16 | 30 | 0 | 15 | 0 | 23 | 20 | C |
| RP | Hernandez, D.Hernandez, David CAL | 34 | 2019 | R | 2 | 5 | 8.02 | .349 | .410 | 1.74 | 11.4 | 4.3 | 11.4 | 42 | 53 | 7 | 20 | 53 | 0 | 2 | 1 | 23 | 23 | C |
| SP | Hernandez, F.Hernandez, Felix SEA | 33 | 2019 | R | 1 | 8 | 6.40 | .330 | .380 | 1.55 | 10.8 | 3.2 | 7.2 | 71 | 85 | 17 | 25 | 57 | 0 | 0 | 5 | 84 | 18 | C |
| RP | Hernandez, R.Hernandez, Roberto TB | 43 | 2007 | R | 3 | 3 | 6.41 | .362 | .420 | 1.83 | 11.5 | 4.9 | 6.1 | 46 | 59 | 5 | 25 | 31 | 0 | 0 | 7 | 23 | 16 | C |
| RP | Hernandez, D.Hernandez, David AZ | 34 | 2019 | R | 2 | 5 | 8.02 | .349 | .410 | 1.74 | 11.4 | 4.3 | 11.4 | 42 | 53 | 7 | 20 | 53 | 0 | 2 | 1 | 23 | 23 | C |
| RP | Hernandez, R.Hernandez, Ramon PIT | 37 | 1977 | L | 0 | 1 | 6.64 | .333 | .410 | 1.75 | 11.3 | 4.5 | 5.4 | 20 | 25 | 3 | 10 | 12 | 0 | 2 | 0 | 23 | 16 | C |
| RP | Hernandez, W.Hernandez, Willie PHI | 35 | 1989 | L | 2 | 2 | 5.74 | .335 | .400 | 1.68 | 10.5 | 4.6 | 8.7 | 31 | 36 | 4 | 16 | 30 | 0 | 15 | 0 | 23 | 20 | C |
| RP | Hernandez, R.Hernandez, Roberto CWS | 43 | 2007 | R | 3 | 3 | 6.41 | .362 | .420 | 1.83 | 11.5 | 4.9 | 6.1 | 46 | 59 | 5 | 25 | 31 | 0 | 0 | 7 | 23 | 16 | C |
| RP | Herrera, K.Herrera, Kelvin KC | 29 | 2019 | R | 3 | 3 | 6.14 | .337 | .390 | 1.63 | 10.6 | 4.1 | 9.4 | 51 | 60 | 8 | 23 | 53 | 0 | 1 | 8 | 23 | 20 | C |
| RP | Hershiser, O.Hershiser, Orel LA | 42 | 2000 | R | 1 | 5 | 13.14 | .406 | .480 | 2.33 | 15.8 | 5.3 | 4.9 | 24 | 42 | 5 | 14 | 13 | 0 | 0 | 2 | 45 | 16 | C |
| SP | Hill, R.Hill, Rich BOS | 45 | 2025 | L | 0 | 2 | 5.00 | .315 | .430 | 1.89 | 9.0 | 8.0 | 4.0 | 9 | 9 | 2 | 8 | 4 | 0 | 0 | 0 | 80 | 14 | C |
| SP | Hill, R.Hill, Rich OAK | 45 | 2025 | L | 0 | 2 | 5.00 | .315 | .430 | 1.89 | 9.0 | 8.0 | 4.0 | 9 | 9 | 2 | 8 | 4 | 0 | 0 | 0 | 80 | 14 | C |
| RP | Hiller, J.Hiller, John DET | 37 | 1980 | L | 1 | 0 | 4.40 | .342 | .410 | 1.73 | 11.4 | 4.2 | 5.4 | 30 | 38 | 3 | 14 | 18 | 0 | 0 | 1 | 50 | 16 | C |
| RP | Hockette, G.Hockette, George BOS | 27 | 1935 | L | 2 | 3 | 5.16 | .330 | .380 | 1.56 | 12.2 | 1.8 | 1.6 | 61 | 83 | 6 | 12 | 11 | 0 | 0 | 0 | 49 | 11 | C |
| RP | Hoerner, J.Hoerner, Joe STL | 41 | 1977 | L | 0 | 0 | 12.71 | .324 | .480 | 2.40 | 16.2 | 5.4 | 9.0 | 5 | 9 | 3 | 3 | 5 | 0 | 0 | 1 | 23 | 15 | C |
| RP | Holland, G.Holland, Greg COL | 36 | 2022 | R | 0 | 1 | 7.71 | .241 | .410 | 1.75 | 13.5 | 2.3 | 11.3 | 4 | 6 | 3 | 1 | 5 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Holland, G.Holland, Greg KC | 36 | 2022 | R | 0 | 1 | 7.71 | .241 | .410 | 1.75 | 13.5 | 2.3 | 11.3 | 4 | 6 | 3 | 1 | 5 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Holmes, D.Holmes, Darren MIL | 37 | 2003 | R | 1 | 2 | 4.29 | .299 | .350 | 1.38 | 10.1 | 2.4 | 9.9 | 42 | 47 | 5 | 11 | 46 | 0 | 0 | 1 | 23 | 21 | C |
| SP | Holtzman, K.Holtzman, Ken OAK | 34 | 1979 | L | 6 | 9 | 4.59 | .340 | .390 | 1.59 | 10.2 | 4.1 | 3.4 | 117 | 133 | 15 | 53 | 44 | 3 | 0 | 6 | 90 | 13 | C |
| SP | Hooton, B.Hooton, Burt LA | 35 | 1985 | R | 5 | 8 | 5.23 | .331 | .380 | 1.52 | 10.8 | 2.9 | 4.5 | 124 | 149 | 18 | 40 | 62 | 2 | 0 | 2 | 77 | 14 | C |
| RP | Hoover, J.Hoover, J.J. CIN | 29 | 2017 | R | 3 | 1 | 3.92 | .354 | .410 | 1.78 | 10.3 | 5.7 | 11.9 | 41 | 47 | 7 | 26 | 54 | 0 | 0 | 1 | 23 | 23 | C |
| RP | Horlen, J.Horlen, Joe CWS | 35 | 1972 | R | 3 | 4 | 3.00 | .264 | .310 | 1.12 | 7.9 | 2.1 | 6.2 | 84 | 74 | 3 | 20 | 58 | 0 | 1 | 4 | 49 | 16 | C |
| SP | Hough, C.Hough, Charlie TEX | 46 | 1994 | R | 5 | 9 | 5.15 | .328 | .370 | 1.50 | 9.4 | 4.1 | 5.2 | 113 | 118 | 17 | 52 | 65 | 1 | 0 | 9 | 95 | 15 | C |
| RP | Howell, J.Howell, J.P. LA | 34 | 2017 | L | 1 | 1 | 7.36 | .317 | .420 | 1.82 | 10.6 | 5.7 | 4.9 | 11 | 13 | 2 | 7 | 6 | 0 | 0 | 1 | 23 | 16 | C |
| RP | Howell, H.Howell, Harry BAL | 34 | 1910 | R | 0 | 0 | 10.80 | .321 | .540 | 3.00 | 21.0 | 6.0 | 3.0 | 3 | 7 | 0 | 2 | 1 | 0 | 0 | 0 | 55 | 11 | C |
| RP | Howell, J.Howell, Jay LA | 39 | 1994 | R | 4 | 1 | 5.44 | .302 | .360 | 1.40 | 9.2 | 3.3 | 4.6 | 43 | 44 | 10 | 16 | 22 | 0 | 2 | 2 | 23 | 15 | C |
| RP | Howry, B.Howry, Bob CHC | 37 | 2010 | R | 1 | 3 | 7.71 | .343 | .400 | 1.71 | 12.1 | 3.3 | 3.6 | 35 | 47 | 8 | 13 | 14 | 0 | 0 | 3 | 23 | 14 | C |
| RP | Howry, B.Howry, Bob CLE | 37 | 2010 | R | 1 | 3 | 7.71 | .343 | .400 | 1.71 | 12.1 | 3.3 | 3.6 | 35 | 47 | 8 | 13 | 14 | 0 | 0 | 3 | 23 | 14 | C |
| SP | Hoyt, L.Hoyt, La Marr SD | 31 | 1986 | R | 8 | 11 | 5.15 | .328 | .370 | 1.50 | 9.6 | 3.8 | 4.8 | 159 | 170 | 27 | 68 | 85 | 1 | 0 | 2 | 81 | 15 | C |
| SP | Hubbell, C.Hubbell, Carl SF | 40 | 1943 | L | 4 | 4 | 4.91 | .348 | .400 | 1.68 | 11.9 | 3.3 | 4.2 | 66 | 87 | 7 | 24 | 31 | 3 | 0 | 4 | 98 | 14 | C |
| RP | Hudson, B.Hudson, Bryan MIL | 28 | 2025 | L | 0 | 1 | 4.80 | .337 | .420 | 1.87 | 9.0 | 7.8 | 11.4 | 15 | 15 | 2 | 13 | 19 | 0 | 0 | 0 | 23 | 29 | C |
| RP | Hudson, D.Hudson, Daniel AZ | 35 | 2022 | R | 2 | 3 | 2.22 | .212 | .270 | 0.92 | 6.4 | 1.9 | 11.3 | 24 | 17 | 1 | 5 | 30 | 0 | 5 | 4 | 23 | 25 | C |
| SP | Hunter, C.Hunter, Catfish NYY | 33 | 1979 | R | 2 | 9 | 5.31 | .333 | .380 | 1.54 | 11.0 | 2.9 | 2.9 | 105 | 128 | 15 | 34 | 34 | 1 | 0 | 2 | 98 | 13 | C |
| RP | Hurd, T.Hurd, Tom BOS | 32 | 1956 | R | 3 | 4 | 5.33 | .355 | .400 | 1.72 | 9.9 | 5.6 | 4.0 | 76 | 84 | 5 | 47 | 34 | 0 | 5 | 5 | 36 | 14 | C |
| SP | Hurst, B.Hurst, Bruce SD | 36 | 1994 | L | 2 | 1 | 7.11 | .358 | .420 | 1.82 | 12.6 | 3.8 | 5.7 | 38 | 53 | 8 | 16 | 24 | 0 | 0 | 1 | 85 | 16 | C |
| RP | Isringhausen, J.Isringhausen, Jason OAK | 37 | 2009 | R | 0 | 1 | 2.25 | .244 | .350 | 1.38 | 6.8 | 5.6 | 6.8 | 8 | 6 | 0 | 5 | 6 | 0 | 0 | 1 | 23 | 16 | C |
| RP | Isringhausen, J.Isringhausen, Jason STL | 40 | 2012 | R | 3 | 2 | 4.14 | .303 | .360 | 1.40 | 8.8 | 3.8 | 6.2 | 45 | 44 | 7 | 19 | 31 | 0 | 0 | 3 | 23 | 16 | C |
| RP | Isringhausen, J.Isringhausen, Jason NYM | 37 | 2009 | R | 0 | 1 | 2.25 | .244 | .350 | 1.38 | 6.8 | 5.6 | 6.8 | 8 | 6 | 0 | 5 | 6 | 0 | 0 | 1 | 23 | 16 | C |
| SP | Iwakuma, H.Iwakuma, Hisashi SEA | 36 | 2017 | R | 0 | 2 | 4.35 | .275 | .330 | 1.26 | 7.8 | 3.5 | 4.6 | 31 | 27 | 7 | 12 | 16 | 0 | 0 | 1 | 92 | 15 | C |
| RP | Jackson, M.Jackson, Mike SF | 40 | 2004 | R | 2 | 0 | 5.01 | .321 | .380 | 1.52 | 10.8 | 2.9 | 5.1 | 46 | 55 | 7 | 15 | 26 | 0 | 0 | 1 | 23 | 15 | C |
| RP | Jackson, R.Jackson, Roy Lee TOR | 32 | 1986 | R | 0 | 1 | 3.86 | .284 | .330 | 1.26 | 8.8 | 2.5 | 5.0 | 58 | 57 | 7 | 16 | 32 | 0 | 1 | 3 | 39 | 15 | C |
| RP | Jackson, G.Jackson, Grant NYY | 40 | 1982 | L | 3 | 1 | 5.31 | .335 | .390 | 1.64 | 9.9 | 4.8 | 3.5 | 39 | 43 | 8 | 21 | 15 | 0 | 0 | 2 | 36 | 13 | C |
| SP | Jackson, D.Jackson, Danny CIN | 35 | 1997 | L | 2 | 9 | 7.58 | .374 | .420 | 1.88 | 13.2 | 3.8 | 4.3 | 67 | 98 | 11 | 28 | 32 | 0 | 0 | 2 | 71 | 14 | C |
| SP | James, B.James, Bill ATL | 23 | 1915 | R | 5 | 4 | 3.03 | .296 | .350 | 1.32 | 9.0 | 2.9 | 3.0 | 68 | 68 | 3 | 22 | 23 | 4 | 0 | 3 | 93 | 13 | C |
| RP | Jansen, L.Jansen, Larry SF | 35 | 1954 | R | 2 | 2 | 5.98 | .369 | .430 | 1.90 | 13.1 | 4.1 | 3.4 | 40 | 58 | 5 | 18 | 15 | 0 | 0 | 0 | 53 | 12 | C |
| RP | Janssen, C.Janssen, Casey TOR | 34 | 2015 | R | 2 | 5 | 4.95 | .261 | .320 | 1.15 | 8.6 | 1.8 | 6.1 | 40 | 38 | 5 | 8 | 27 | 0 | 0 | 1 | 23 | 16 | C |
| SP | Jenkins, F.Jenkins, Fergie BOS | 41 | 1983 | R | 6 | 9 | 4.30 | .303 | .350 | 1.33 | 9.5 | 2.5 | 5.2 | 167 | 176 | 19 | 46 | 96 | 1 | 0 | 2 | 90 | 15 | C |
| SP | Jenkins, F.Jenkins, Fergie TEX | 41 | 1983 | R | 6 | 9 | 4.30 | .303 | .350 | 1.33 | 9.5 | 2.5 | 5.2 | 167 | 176 | 19 | 46 | 96 | 1 | 0 | 2 | 90 | 15 | C |
| RP | Jenkins, C.Jenkins, Chad TOR | 26 | 2014 | R | 1 | 1 | 2.56 | .280 | .340 | 1.29 | 9.9 | 1.7 | 5.2 | 31 | 34 | 2 | 6 | 18 | 0 | 0 | 0 | 29 | 16 | C |
| RP | Jenks, B.Jenks, Bobby CWS | 30 | 2011 | R | 2 | 2 | 6.32 | .389 | .480 | 2.33 | 13.2 | 7.8 | 10.2 | 15 | 22 | 1 | 13 | 17 | 0 | 0 | 3 | 23 | 27 | C |
| RP | Jepsen, K.Jepsen, Kevin CAL | 32 | 2016 | R | 2 | 6 | 5.98 | .346 | .400 | 1.69 | 11.4 | 3.9 | 6.4 | 49 | 62 | 12 | 21 | 35 | 0 | 7 | 4 | 23 | 17 | C |
| RP | Jimenez, J.Jimenez, Jose COL | 31 | 2004 | R | 1 | 7 | 8.42 | .333 | .390 | 1.64 | 11.3 | 3.5 | 5.3 | 36 | 45 | 6 | 14 | 21 | 0 | 8 | 0 | 24 | 15 | C |
| SP | Jimenez, U.Jimenez, Ubaldo COL | 33 | 2017 | R | 6 | 11 | 6.81 | .342 | .390 | 1.60 | 10.7 | 3.7 | 8.8 | 142 | 169 | 33 | 58 | 139 | 0 | 0 | 3 | 82 | 19 | C |
| RP | Johnson, S.Johnson, Syl PHI | 40 | 1940 | R | 2 | 2 | 4.20 | .244 | .300 | 1.05 | 8.3 | 1.1 | 2.9 | 40 | 37 | 6 | 5 | 13 | 2 | 2 | 1 | 44 | 13 | C |
| RP | Johnson, J.Johnson, Jim ATL | 35 | 2018 | R | 5 | 3 | 3.84 | .302 | .350 | 1.37 | 9.1 | 3.1 | 6.4 | 63 | 64 | 9 | 22 | 45 | 0 | 2 | 5 | 23 | 16 | C |
| SP | Johnson, J.Johnson, Josh FL | 29 | 2013 | R | 2 | 8 | 6.20 | .348 | .400 | 1.67 | 11.7 | 3.3 | 9.2 | 81 | 105 | 15 | 30 | 83 | 0 | 0 | 4 | 90 | 19 | C |
| RP | Johnson, J.Johnson, John Henry TEX | 31 | 1987 | L | 0 | 1 | 9.57 | .405 | .470 | 2.31 | 14.5 | 6.2 | 6.2 | 26 | 42 | 1 | 18 | 18 | 0 | 0 | 1 | 48 | 19 | C |
| RP | Johnson, K.Johnson, Ken CIN | 37 | 1970 | R | 0 | 0 | 7.50 | .263 | .400 | 1.67 | 13.5 | 1.5 | 6.0 | 6 | 9 | 1 | 1 | 4 | 0 | 0 | 0 | 38 | 14 | C |
| SP | Johnson, R.Johnson, Randy AZ | 46 | 2009 | L | 8 | 6 | 4.88 | .300 | .350 | 1.33 | 9.1 | 2.9 | 8.1 | 96 | 97 | 19 | 31 | 86 | 0 | 0 | 5 | 78 | 18 | C |
| RP | Johnstone, J.Johnstone, John SF | 32 | 2000 | R | 3 | 4 | 6.30 | .325 | .380 | 1.54 | 11.5 | 2.3 | 6.7 | 50 | 64 | 11 | 13 | 37 | 0 | 0 | 0 | 23 | 17 | C |
| RP | Jones, T.Jones, Todd COL | 40 | 2008 | R | 4 | 1 | 4.97 | .338 | .390 | 1.66 | 11.0 | 4.0 | 3.1 | 41 | 50 | 5 | 18 | 14 | 0 | 18 | 4 | 23 | 13 | C |
| RP | Jones, D.Jones, Doug BAL | 43 | 2000 | R | 4 | 2 | 3.93 | .312 | .360 | 1.42 | 10.6 | 2.2 | 6.7 | 73 | 86 | 6 | 18 | 54 | 0 | 2 | 1 | 27 | 16 | C |
| SP | Jones, R.Jones, Randy SD | 32 | 1982 | L | 7 | 10 | 4.60 | .354 | .400 | 1.69 | 10.9 | 4.3 | 3.7 | 107 | 130 | 11 | 51 | 44 | 2 | 0 | 1 | 69 | 14 | C |
| SP | Joss, A.Joss, Addie CLE | 31 | 1910 | R | 5 | 5 | 2.26 | .256 | .300 | 1.07 | 8.1 | 1.5 | 4.1 | 107 | 96 | 2 | 18 | 49 | 9 | 0 | 0 | 140 | 14 | C |
| RP | Karl, A.Karl, Andy PHI | 33 | 1947 | R | 2 | 3 | 3.86 | .320 | .380 | 1.54 | 10.5 | 3.3 | 1.3 | 35 | 41 | 2 | 13 | 5 | 0 | 3 | 0 | 26 | 11 | C |
| SP | Kazmir, S.Kazmir, Scott TB | 32 | 2016 | L | 10 | 6 | 4.56 | .307 | .350 | 1.36 | 8.8 | 3.4 | 8.9 | 136 | 133 | 21 | 52 | 134 | 0 | 0 | 5 | 93 | 18 | C |
| RP | Kelley, S.Kelley, Shawn SD | 35 | 2019 | R | 5 | 2 | 4.94 | .304 | .360 | 1.40 | 10.5 | 2.1 | 8.2 | 47 | 55 | 12 | 11 | 43 | 0 | 11 | 2 | 23 | 18 | C |
| RP | Kelley, S.Kelley, Shawn WAS | 35 | 2019 | R | 5 | 2 | 4.94 | .304 | .360 | 1.40 | 10.5 | 2.1 | 8.2 | 47 | 55 | 12 | 11 | 43 | 0 | 11 | 2 | 23 | 18 | C |
| RP | Kennedy, I.Kennedy, Ian TEX | 39 | 2023 | R | 0 | 1 | 7.16 | .284 | .360 | 1.44 | 9.0 | 3.9 | 11.8 | 16 | 16 | 4 | 7 | 21 | 0 | 0 | 1 | 23 | 31 | C |
| RP | Key, J.Key, Jimmy TOR | 37 | 1998 | L | 6 | 3 | 4.20 | .288 | .340 | 1.27 | 8.8 | 2.6 | 6.0 | 79 | 77 | 5 | 23 | 53 | 0 | 0 | 1 | 58 | 16 | C |
| SP | Kile, D.Kile, Darryl COL | 34 | 2002 | R | 5 | 4 | 3.72 | .296 | .340 | 1.31 | 8.8 | 3.0 | 5.4 | 84 | 82 | 9 | 28 | 50 | 0 | 0 | 0 | 106 | 15 | C |
| SP | Kile, D.Kile, Darryl HOU | 34 | 2002 | R | 5 | 4 | 3.72 | .296 | .340 | 1.31 | 8.8 | 3.0 | 5.4 | 84 | 82 | 9 | 28 | 50 | 0 | 0 | 0 | 106 | 15 | C |
| SP | Killian, E.Killian, Ed DET | 34 | 1910 | L | 4 | 3 | 3.04 | .305 | .350 | 1.38 | 9.1 | 3.3 | 2.4 | 74 | 75 | 2 | 27 | 20 | 5 | 0 | 1 | 118 | 12 | C |
| SP | Kim, B.Kim, Byung-Hyun AZ | 29 | 2007 | R | 10 | 8 | 6.08 | .353 | .400 | 1.69 | 10.0 | 5.2 | 8.2 | 118 | 131 | 20 | 68 | 107 | 0 | 0 | 4 | 76 | 18 | C |
| RP | Kimbrel, C.Kimbrel, Craig SD | 37 | 2025 | R | 0 | 1 | 2.45 | .259 | .350 | 1.36 | 7.4 | 4.9 | 13.1 | 11 | 9 | 2 | 6 | 16 | 0 | 0 | 0 | 23 | 26 | C |
| RP | Kimbrel, C.Kimbrel, Craig PHI | 37 | 2025 | R | 0 | 1 | 2.45 | .259 | .350 | 1.36 | 7.4 | 4.9 | 13.1 | 11 | 9 | 2 | 6 | 16 | 0 | 0 | 0 | 23 | 26 | C |
| RP | Kinney, J.Kinney, Josh STL | 27 | 2006 | R | 0 | 0 | 3.24 | .227 | .290 | 1.00 | 6.1 | 2.9 | 7.9 | 25 | 17 | 3 | 8 | 22 | 0 | 0 | 0 | 24 | 21 | C |
| SP | Kluber, C.Kluber, Corey CLE | 37 | 2023 | R | 3 | 6 | 7.04 | .340 | .390 | 1.64 | 11.3 | 3.4 | 6.9 | 55 | 69 | 17 | 21 | 42 | 0 | 1 | 1 | 66 | 17 | C |
| RP | Knebel, C.Knebel, Corey LA | 30 | 2022 | R | 3 | 5 | 3.43 | .300 | .360 | 1.39 | 6.8 | 5.7 | 8.4 | 44 | 33 | 4 | 28 | 41 | 0 | 12 | 2 | 23 | 20 | C |
| RP | Koplove, M.Koplove, Mike AZ | 31 | 2007 | R | 0 | 0 | 6.00 | .222 | .350 | 1.33 | 9.0 | 3.0 | 6.0 | 6 | 6 | 0 | 2 | 4 | 0 | 0 | 0 | 24 | 14 | C |
| RP | Krause, H.Krause, Harry OAK | 24 | 1912 | L | 0 | 3 | 12.60 | .385 | .490 | 2.50 | 18.9 | 3.6 | 3.6 | 10 | 21 | 0 | 4 | 4 | 0 | 0 | 0 | 32 | 14 | C |
| RP | Kuo, H.Kuo, Hong-Chih LA | 30 | 2011 | L | 1 | 2 | 9.00 | .341 | .410 | 1.74 | 8.0 | 7.7 | 12.0 | 27 | 24 | 4 | 23 | 36 | 0 | 0 | 2 | 23 | 22 | C |
| RP | Labine, C.Labine, Clem LA | 36 | 1962 | R | 0 | 0 | 11.25 | .214 | .370 | 1.50 | 11.3 | 2.3 | 4.5 | 4 | 5 | 1 | 1 | 2 | 0 | 0 | 0 | 27 | 12 | C |
| RP | LaCoss, M.LaCoss, Mike KC | 35 | 1991 | R | 1 | 5 | 7.23 | .360 | .420 | 1.81 | 11.7 | 4.6 | 5.7 | 47 | 61 | 4 | 24 | 30 | 0 | 0 | 2 | 48 | 16 | C |
| RP | Ladd, P.Ladd, Pete MIL | 30 | 1986 | R | 8 | 6 | 3.82 | .283 | .330 | 1.24 | 8.9 | 2.3 | 6.8 | 70 | 69 | 10 | 18 | 53 | 0 | 6 | 2 | 27 | 17 | C |
| RP | Lamet, D.Lamet, Dinelson SD | 31 | 2024 | R | 0 | 0 | 2.08 | .154 | .290 | 1.00 | 4.5 | 4.5 | 6.8 | 4 | 2 | 1 | 2 | 3 | 0 | 1 | 1 | 27 | 13 | C |
| RP | Landrum, B.Landrum, Bill PIT | 36 | 1993 | R | 0 | 2 | 3.74 | .247 | .310 | 1.14 | 7.7 | 2.6 | 6.0 | 21 | 18 | 1 | 6 | 14 | 0 | 0 | 0 | 24 | 17 | C |
| RP | Langston, M.Langston, Mark SEA | 39 | 1999 | L | 1 | 2 | 5.25 | .337 | .390 | 1.61 | 10.2 | 4.3 | 6.3 | 61 | 69 | 9 | 29 | 43 | 0 | 0 | 2 | 45 | 17 | C |
| RP | Lasher, F.Lasher, Fred DET | 30 | 1971 | R | 0 | 0 | 27.00 | .316 | .710 | 6.00 | 36.0 | 18.0 | 0.0 | 1 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 23 | 7 | C |
| SP | Lauer, E.Lauer, Eric MIL | 28 | 2023 | L | 4 | 6 | 6.56 | .345 | .400 | 1.70 | 10.6 | 4.7 | 8.4 | 46 | 54 | 16 | 24 | 43 | 0 | 0 | 0 | 82 | 18 | C |
| RP | Leach, T.Leach, Terry CWS | 39 | 1993 | R | 0 | 0 | 2.81 | .227 | .300 | 1.06 | 8.4 | 1.1 | 1.7 | 16 | 15 | 0 | 2 | 3 | 0 | 1 | 0 | 23 | 13 | C |
| RP | League, B.League, Brandon TOR | 31 | 2014 | R | 2 | 3 | 2.57 | .316 | .370 | 1.46 | 9.3 | 3.9 | 5.4 | 63 | 65 | 0 | 27 | 38 | 0 | 0 | 4 | 23 | 15 | C |
| SP | Leake, M.Leake, Mike CIN | 31 | 2019 | R | 12 | 11 | 4.29 | .297 | .340 | 1.29 | 10.4 | 1.2 | 5.8 | 197 | 227 | 41 | 27 | 127 | 2 | 0 | 2 | 109 | 16 | C |
| RP | LeBlanc, W.LeBlanc, Wade PIT | 37 | 2021 | L | 0 | 2 | 4.41 | .317 | .370 | 1.49 | 10.3 | 3.1 | 5.3 | 49 | 56 | 8 | 17 | 29 | 0 | 0 | 2 | 50 | 15 | C |
| RP | Leclerc, J.Leclerc, Jose TEX | 31 | 2025 | R | 0 | 1 | 6.00 | .327 | .440 | 2.00 | 13.0 | 5.0 | 8.0 | 9 | 13 | 3 | 5 | 8 | 0 | 0 | 1 | 23 | 18 | C |
| SP | Lee, C.Lee, Cliff SEA | 36 | 2014 | L | 4 | 5 | 3.65 | .307 | .350 | 1.38 | 11.1 | 1.3 | 8.0 | 81 | 100 | 7 | 12 | 72 | 1 | 0 | 1 | 110 | 18 | C |
| RP | Lee, B.Lee, Bob CAL | 31 | 1968 | R | 2 | 4 | 5.10 | .349 | .400 | 1.69 | 10.1 | 5.1 | 4.7 | 65 | 73 | 4 | 37 | 34 | 0 | 3 | 1 | 29 | 14 | C |
| SP | Leever, S.Leever, Sam PIT | 39 | 1910 | R | 6 | 5 | 2.76 | .273 | .320 | 1.16 | 8.4 | 2.0 | 2.7 | 111 | 104 | 2 | 25 | 33 | 4 | 2 | 0 | 77 | 12 | C |
| RP | Lefferts, C.Lefferts, Craig SF | 37 | 1994 | L | 1 | 1 | 4.67 | .356 | .420 | 1.82 | 13.2 | 3.2 | 7.1 | 34 | 50 | 7 | 12 | 27 | 0 | 1 | 1 | 23 | 19 | C |
| RP | Lefferts, C.Lefferts, Craig SD | 37 | 1994 | L | 1 | 1 | 4.67 | .356 | .420 | 1.82 | 13.2 | 3.2 | 7.1 | 34 | 50 | 7 | 12 | 27 | 0 | 1 | 1 | 23 | 19 | C |
| SP | Leibrandt, C.Leibrandt, Charlie KC | 37 | 1993 | L | 9 | 10 | 4.55 | .318 | .360 | 1.43 | 10.1 | 2.7 | 5.3 | 150 | 169 | 15 | 45 | 89 | 1 | 0 | 5 | 102 | 15 | C |
| RP | Leiter, M.Leiter, Mark MIL | 38 | 2001 | R | 2 | 1 | 3.75 | .253 | .310 | 1.11 | 8.0 | 2.0 | 6.5 | 36 | 32 | 6 | 8 | 26 | 0 | 0 | 3 | 35 | 16 | C |
| SP | Leiter, A.Leiter, Al FL | 40 | 2005 | L | 7 | 12 | 6.13 | .366 | .410 | 1.77 | 9.8 | 6.2 | 6.1 | 142 | 154 | 13 | 98 | 97 | 0 | 0 | 2 | 77 | 16 | C |
| SP | Leonard, D.Leonard, Dutch BOS | 29 | 1921 | L | 11 | 13 | 3.75 | .311 | .350 | 1.37 | 10.0 | 2.3 | 4.4 | 245 | 273 | 15 | 63 | 120 | 16 | 1 | 7 | 120 | 14 | C |
| SP | Leonard, D.Leonard, Dennis KC | 35 | 1986 | R | 8 | 13 | 4.44 | .306 | .350 | 1.34 | 9.7 | 2.4 | 5.3 | 192 | 207 | 22 | 51 | 114 | 5 | 0 | 6 | 103 | 15 | C |
| RP | Leskanic, C.Leskanic, Curt COL | 36 | 2004 | R | 3 | 5 | 5.19 | .356 | .410 | 1.79 | 9.8 | 6.3 | 7.7 | 43 | 47 | 8 | 30 | 37 | 0 | 4 | 2 | 23 | 19 | C |
| RP | Ligtenberg, K.Ligtenberg, Kerry ATL | 34 | 2005 | R | 0 | 0 | 13.97 | .351 | .460 | 2.22 | 16.0 | 4.0 | 5.0 | 9 | 16 | 4 | 4 | 5 | 0 | 0 | 0 | 26 | 15 | C |
| RP | Lilliquist, D.Lilliquist, Derek CLE | 30 | 1996 | L | 0 | 0 | 7.36 | .208 | .400 | 1.67 | 15.0 | 0.0 | 3.0 | 3 | 5 | 1 | 0 | 1 | 0 | 0 | 0 | 23 | 11 | C |
| RP | Lilliquist, D.Lilliquist, Derek ATL | 30 | 1996 | L | 0 | 0 | 7.36 | .208 | .400 | 1.67 | 15.0 | 0.0 | 3.0 | 3 | 5 | 1 | 0 | 1 | 0 | 0 | 0 | 23 | 11 | C |
| SP | Lima, J.Lima, Jose HOU | 34 | 2006 | R | 0 | 4 | 9.87 | .365 | .450 | 2.06 | 13.2 | 5.3 | 6.4 | 17 | 25 | 3 | 10 | 12 | 0 | 0 | 1 | 76 | 22 | C |
| SP | Lincecum, T.Lincecum, Tim SF | 32 | 2016 | R | 2 | 6 | 9.16 | .423 | .480 | 2.39 | 16.1 | 5.4 | 7.6 | 38 | 68 | 11 | 23 | 32 | 0 | 0 | 3 | 76 | 18 | C |
| RP | Lindblom, J.Lindblom, Josh LA | 34 | 2021 | R | 0 | 0 | 9.72 | .363 | .450 | 2.06 | 12.9 | 5.6 | 9.6 | 16 | 23 | 5 | 10 | 17 | 0 | 0 | 3 | 38 | 27 | C |
| RP | Lloyd, G.Lloyd, Graeme MIL | 36 | 2003 | L | 1 | 4 | 5.29 | .352 | .410 | 1.74 | 13.0 | 2.7 | 4.8 | 47 | 68 | 2 | 14 | 25 | 0 | 0 | 1 | 23 | 15 | C |
| RP | Lloyd, G.Lloyd, Graeme NYY | 36 | 2003 | L | 1 | 4 | 5.29 | .352 | .410 | 1.74 | 13.0 | 2.7 | 4.8 | 47 | 68 | 2 | 14 | 25 | 0 | 0 | 1 | 23 | 15 | C |
| SP | Lohse, K.Lohse, Kyle MIL | 37 | 2015 | R | 5 | 13 | 5.85 | .324 | .370 | 1.47 | 10.7 | 2.5 | 6.4 | 152 | 180 | 29 | 43 | 108 | 0 | 2 | 5 | 74 | 16 | C |
| RP | Lolich, M.Lolich, Mickey DET | 39 | 1979 | L | 0 | 2 | 4.74 | .340 | .390 | 1.65 | 10.8 | 4.0 | 3.7 | 49 | 59 | 4 | 22 | 20 | 0 | 0 | 2 | 35 | 14 | C |
| RP | Lopez, A.Lopez, Aurelio DET | 39 | 1987 | R | 2 | 1 | 4.50 | .291 | .350 | 1.34 | 9.2 | 2.8 | 5.0 | 38 | 39 | 6 | 12 | 21 | 0 | 1 | 1 | 29 | 15 | C |
| RP | Lopez, W.Lopez, Wilton HOU | 29 | 2013 | R | 3 | 4 | 4.06 | .311 | .360 | 1.41 | 10.6 | 2.2 | 5.8 | 75 | 88 | 6 | 18 | 48 | 0 | 0 | 0 | 23 | 16 | C |
| RP | Lopez, A.Lopez, Albie TB | 32 | 2003 | R | 4 | 2 | 12.71 | .433 | .510 | 2.64 | 16.8 | 7.0 | 6.1 | 22 | 41 | 7 | 17 | 15 | 0 | 0 | 3 | 29 | 17 | C |
| RP | Lopez, J.Lopez, Javier COL | 32 | 2009 | L | 0 | 2 | 9.26 | .403 | .510 | 2.64 | 16.4 | 7.4 | 4.1 | 11 | 20 | 1 | 9 | 5 | 0 | 0 | 1 | 23 | 15 | C |
| RP | Loup, A.Loup, Aaron NYM | 35 | 2023 | L | 2 | 3 | 6.10 | .356 | .410 | 1.77 | 12.2 | 3.8 | 8.4 | 48 | 65 | 6 | 20 | 45 | 0 | 1 | 2 | 23 | 19 | C |
| RP | Lowe, D.Lowe, Derek BOS | 40 | 2013 | R | 1 | 0 | 9.00 | .279 | .370 | 1.46 | 11.1 | 2.1 | 5.5 | 13 | 16 | 3 | 3 | 8 | 0 | 0 | 0 | 29 | 18 | C |
| RP | Lundgren, C.Lundgren, Carl CHC | 29 | 1909 | R | 0 | 1 | 4.15 | .313 | .490 | 2.50 | 13.5 | 9.0 | 0.0 | 4 | 6 | 0 | 4 | 0 | 0 | 0 | 0 | 38 | 7 | C |
| RP | Lyle, S.Lyle, Sparky BOS | 38 | 1982 | L | 3 | 3 | 4.62 | .342 | .400 | 1.67 | 11.4 | 3.6 | 3.4 | 48 | 61 | 3 | 19 | 18 | 0 | 3 | 2 | 23 | 13 | C |
| RP | Lyle, S.Lyle, Sparky NYY | 38 | 1982 | L | 3 | 3 | 4.62 | .342 | .400 | 1.67 | 11.4 | 3.6 | 3.4 | 48 | 61 | 3 | 19 | 18 | 0 | 3 | 2 | 23 | 13 | C |
| SP | Lynn, L.Lynn, Lance TEX | 37 | 2024 | R | 7 | 4 | 3.84 | .303 | .350 | 1.34 | 8.7 | 3.4 | 8.4 | 117 | 113 | 16 | 44 | 109 | 0 | 0 | 3 | 90 | 18 | C |
| RP | Lyons, T.Lyons, Tyler STL | 30 | 2018 | L | 1 | 0 | 8.64 | .356 | .440 | 2.00 | 13.5 | 4.5 | 10.7 | 16 | 24 | 3 | 8 | 19 | 0 | 0 | 2 | 23 | 29 | C |
| SP | Maddox, N.Maddox, Nick PIT | 24 | 1910 | R | 2 | 3 | 3.40 | .272 | .320 | 1.16 | 7.6 | 2.9 | 3.0 | 87 | 73 | 0 | 28 | 29 | 2 | 0 | 1 | 78 | 13 | C |
| RP | Maeda, K.Maeda, Kenta MIN | 37 | 2025 | R | 0 | 0 | 7.88 | .306 | .420 | 1.88 | 10.1 | 6.8 | 9.0 | 8 | 9 | 1 | 6 | 8 | 0 | 0 | 2 | 23 | 18 | C |
| SP | Maglie, S.Maglie, Sal SF | 41 | 1958 | R | 3 | 7 | 4.72 | .310 | .360 | 1.41 | 8.6 | 4.0 | 3.3 | 76 | 73 | 17 | 34 | 28 | 2 | 0 | 0 | 80 | 13 | C |
| RP | Magnante, M.Magnante, Mike KC | 37 | 2002 | L | 0 | 2 | 5.97 | .343 | .410 | 1.75 | 12.2 | 3.5 | 3.5 | 28 | 38 | 2 | 11 | 11 | 0 | 0 | 2 | 23 | 13 | C |
| RP | Mahler, R.Mahler, Rick ATL | 38 | 1991 | R | 2 | 4 | 4.50 | .320 | .370 | 1.48 | 9.5 | 3.8 | 3.7 | 66 | 70 | 4 | 28 | 27 | 0 | 0 | 1 | 53 | 13 | C |
| RP | Manship, J.Manship, Jeff CLE | 31 | 2016 | R | 2 | 1 | 3.12 | .308 | .360 | 1.44 | 8.4 | 4.6 | 7.5 | 43 | 40 | 7 | 22 | 36 | 0 | 0 | 0 | 23 | 19 | C |
| RP | Manship, J.Manship, Jeff COL | 31 | 2016 | R | 2 | 1 | 3.12 | .308 | .360 | 1.44 | 8.4 | 4.6 | 7.5 | 43 | 40 | 7 | 22 | 36 | 0 | 0 | 0 | 23 | 19 | C |
| RP | Mantei, M.Mantei, Matt AZ | 28 | 2001 | R | 0 | 0 | 2.57 | .244 | .360 | 1.43 | 7.7 | 5.1 | 15.4 | 7 | 6 | 2 | 4 | 12 | 0 | 2 | 2 | 23 | 22 | C |
| RP | Mantei, M.Mantei, Matt FL | 32 | 2005 | R | 1 | 0 | 6.49 | .348 | .410 | 1.81 | 8.0 | 8.3 | 7.6 | 26 | 23 | 1 | 24 | 22 | 0 | 0 | 5 | 23 | 21 | C |
| RP | Marberry, F.Marberry, Firpo MIN | 38 | 1936 | R | 0 | 2 | 3.86 | .212 | .290 | 1.00 | 7.1 | 1.9 | 2.6 | 14 | 11 | 2 | 3 | 4 | 0 | 0 | 0 | 52 | 14 | C |
| RP | Marinaccio, R.Marinaccio, Ron NYY | 29 | 2025 | R | 0 | 0 | 0.84 | .200 | .290 | 1.00 | 5.4 | 3.6 | 10.8 | 10 | 6 | 0 | 4 | 12 | 0 | 0 | 0 | 28 | 22 | C |
| SP | Marquard, R.Marquard, Rube SF | 39 | 1925 | L | 2 | 8 | 5.75 | .369 | .420 | 1.83 | 13.1 | 3.4 | 2.4 | 72 | 105 | 5 | 27 | 19 | 0 | 0 | 1 | 76 | 12 | C |
| RP | Marquard, R.Marquard, Rube LA | 39 | 1925 | L | 2 | 8 | 5.75 | .369 | .420 | 1.83 | 13.1 | 3.4 | 2.4 | 72 | 105 | 5 | 27 | 19 | 0 | 0 | 1 | 51 | 12 | C |
| RP | Marshall, M.Marshall, Mike LA | 38 | 1981 | R | 3 | 2 | 2.61 | .248 | .310 | 1.10 | 7.5 | 2.3 | 2.3 | 31 | 26 | 2 | 8 | 8 | 0 | 0 | 2 | 30 | 12 | C |
| RP | Marte, D.Marte, Damaso PIT | 35 | 2010 | L | 0 | 0 | 4.08 | .256 | .330 | 1.24 | 5.3 | 5.8 | 6.4 | 17 | 10 | 2 | 11 | 12 | 0 | 0 | 2 | 23 | 22 | C |
| SP | Martinez, P.Martinez, Pedro WAS | 38 | 2009 | R | 5 | 1 | 3.63 | .283 | .340 | 1.27 | 9.8 | 1.6 | 7.6 | 44 | 48 | 7 | 8 | 37 | 0 | 0 | 0 | 87 | 19 | C |
| RP | Martinez, D.Martinez, Dennis WAS | 43 | 1998 | R | 4 | 6 | 4.45 | .311 | .360 | 1.41 | 10.8 | 1.9 | 6.1 | 91 | 109 | 8 | 19 | 62 | 1 | 2 | 2 | 33 | 16 | C |
| SP | Martinez, P.Martinez, Pedro BOS | 38 | 2009 | R | 5 | 1 | 3.63 | .283 | .340 | 1.27 | 9.8 | 1.6 | 7.6 | 44 | 48 | 7 | 8 | 37 | 0 | 0 | 0 | 87 | 19 | C |
| SP | Martinez, P.Martinez, Pedro LA | 38 | 2009 | R | 5 | 1 | 3.63 | .283 | .340 | 1.27 | 9.8 | 1.6 | 7.6 | 44 | 48 | 7 | 8 | 37 | 0 | 0 | 0 | 87 | 19 | C |
| RP | Mason, R.Mason, Roger PIT | 36 | 1994 | R | 3 | 5 | 3.75 | .296 | .350 | 1.33 | 8.3 | 3.8 | 5.0 | 60 | 55 | 8 | 25 | 33 | 0 | 1 | 0 | 26 | 15 | C |
| SP | Masterson, W.Masterson, Walt MIN | 33 | 1953 | R | 10 | 12 | 3.63 | .290 | .330 | 1.25 | 7.9 | 3.4 | 5.2 | 166 | 145 | 16 | 62 | 95 | 10 | 0 | 1 | 101 | 15 | C |
| SP | Mathewson, C.Mathewson, Christy SF | 36 | 1916 | R | 4 | 4 | 3.01 | .261 | .310 | 1.11 | 9.0 | 1.0 | 2.3 | 74 | 74 | 4 | 8 | 19 | 5 | 2 | 1 | 101 | 12 | C |
| SP | Matzek, T.Matzek, Tyler COL | 24 | 2015 | R | 2 | 1 | 4.09 | .345 | .420 | 1.82 | 8.6 | 7.8 | 6.1 | 22 | 21 | 2 | 19 | 15 | 0 | 0 | 2 | 79 | 17 | C |
| RP | May, R.May, Rudy NYY | 39 | 1983 | L | 1 | 5 | 6.87 | .347 | .430 | 1.89 | 11.0 | 6.0 | 8.0 | 18 | 22 | 1 | 12 | 16 | 0 | 0 | 2 | 24 | 18 | C |
| RP | Mayza, T.Mayza, Tim TOR | 27 | 2019 | L | 1 | 3 | 4.91 | .306 | .360 | 1.41 | 7.9 | 4.8 | 9.7 | 51 | 45 | 8 | 27 | 55 | 0 | 0 | 4 | 23 | 21 | C |
| SP | McClanahan, S.McClanahan, Shane TB | 26 | 2023 | L | 11 | 2 | 3.29 | .277 | .320 | 1.18 | 7.4 | 3.2 | 9.5 | 115 | 95 | 15 | 41 | 121 | 0 | 0 | 1 | 97 | 20 | C |
| SP | McCormick, H.McCormick, Harry CIN | 28 | 1883 | R | 8 | 6 | 2.87 | .296 | .340 | 1.30 | 9.8 | 1.9 | 1.5 | 128 | 139 | 1 | 27 | 21 | 14 | 0 | 0 | 140 | 11 | C |
| RP | McDaniel, L.McDaniel, Lindy NYY | 40 | 1975 | R | 5 | 1 | 4.15 | .301 | .350 | 1.35 | 9.3 | 2.8 | 4.6 | 78 | 81 | 3 | 24 | 40 | 0 | 1 | 7 | 37 | 15 | C |
| RP | McDowell, R.McDowell, Roger NYM | 36 | 1996 | R | 1 | 1 | 4.25 | .330 | .380 | 1.56 | 10.5 | 3.5 | 3.1 | 59 | 69 | 7 | 23 | 20 | 0 | 4 | 0 | 28 | 13 | C |
| RP | McDowell, S.McDowell, Sam CLE | 33 | 1975 | L | 2 | 1 | 2.86 | .309 | .370 | 1.47 | 7.9 | 5.3 | 7.7 | 34 | 30 | 0 | 20 | 29 | 0 | 0 | 1 | 45 | 19 | C |
| RP | McElroy, C.McElroy, Chuck CHC | 34 | 2001 | L | 2 | 3 | 5.28 | .361 | .410 | 1.77 | 10.4 | 5.5 | 5.6 | 75 | 87 | 14 | 46 | 47 | 0 | 0 | 6 | 30 | 15 | C |
| RP | McGee, J.McGee, Jake TB | 35 | 2022 | L | 1 | 3 | 6.81 | .305 | .360 | 1.43 | 10.0 | 2.9 | 6.1 | 37 | 41 | 6 | 12 | 25 | 0 | 3 | 1 | 23 | 16 | C |
| RP | McGee, J.McGee, Jake COL | 35 | 2022 | L | 1 | 3 | 6.81 | .305 | .360 | 1.43 | 10.0 | 2.9 | 6.1 | 37 | 41 | 6 | 12 | 25 | 0 | 3 | 1 | 23 | 16 | C |
| RP | McKenzie, T.McKenzie, Triston CLE | 27 | 2025 | R | 0 | 0 | 11.12 | .359 | .520 | 2.80 | 12.6 | 12.6 | 7.2 | 5 | 7 | 1 | 7 | 4 | 0 | 0 | 3 | 25 | 14 | C |
| SP | McLain, D.McLain, Denny DET | 28 | 1972 | R | 4 | 7 | 6.37 | .331 | .380 | 1.55 | 10.9 | 3.1 | 3.4 | 76 | 92 | 16 | 26 | 29 | 2 | 1 | 1 | 69 | 13 | C |
| RP | McMahon, D.McMahon, Don ATL | 44 | 1974 | R | 0 | 0 | 3.09 | .259 | .350 | 1.36 | 10.6 | 1.6 | 4.1 | 11 | 13 | 2 | 2 | 5 | 0 | 0 | 1 | 25 | 15 | C |
| RP | McMichael, G.McMichael, Greg ATL | 34 | 2000 | R | 0 | 0 | 4.41 | .216 | .290 | 1.00 | 6.8 | 2.3 | 7.9 | 16 | 12 | 3 | 4 | 14 | 0 | 0 | 1 | 23 | 24 | C |
| RP | McMurtry, C.McMurtry, Craig TEX | 31 | 1990 | R | 0 | 3 | 4.32 | .354 | .410 | 1.78 | 9.4 | 6.6 | 3.1 | 41 | 43 | 4 | 30 | 14 | 0 | 0 | 3 | 34 | 13 | C |
| SP | McNally, D.McNally, Dave BAL | 33 | 1975 | L | 3 | 6 | 5.24 | .340 | .390 | 1.61 | 10.3 | 4.2 | 4.2 | 77 | 88 | 8 | 36 | 36 | 0 | 0 | 3 | 113 | 14 | C |
| SP | McQuillan, G.McQuillan, George PHI | 26 | 1911 | R | 2 | 6 | 4.68 | .338 | .390 | 1.60 | 10.8 | 3.6 | 3.3 | 77 | 92 | 2 | 31 | 28 | 2 | 0 | 0 | 73 | 13 | C |
| RP | Meacham, R.Meacham, Rusty KC | 28 | 1996 | R | 1 | 1 | 5.74 | .340 | .400 | 1.67 | 12.2 | 2.8 | 5.4 | 42 | 57 | 9 | 13 | 25 | 0 | 1 | 1 | 52 | 16 | C |
| RP | Medders, B.Medders, Brandon AZ | 30 | 2010 | R | 0 | 0 | 7.20 | .368 | .450 | 2.13 | 15.6 | 3.6 | 4.8 | 15 | 26 | 3 | 6 | 8 | 0 | 0 | 0 | 23 | 18 | C |
| SP | Medich, D.Medich, Doc TEX | 34 | 1982 | R | 12 | 15 | 5.04 | .344 | .390 | 1.60 | 9.9 | 4.5 | 3.6 | 185 | 203 | 12 | 93 | 73 | 3 | 0 | 8 | 105 | 13 | C |
| SP | Medlen, K.Medlen, Kris ATL | 30 | 2016 | R | 1 | 3 | 7.77 | .379 | .450 | 2.08 | 11.3 | 7.5 | 6.8 | 24 | 30 | 2 | 20 | 18 | 0 | 0 | 1 | 72 | 19 | C |
| RP | Melancon, M.Melancon, Mark PIT | 37 | 2022 | R | 3 | 10 | 4.66 | .321 | .370 | 1.50 | 10.1 | 3.4 | 5.6 | 56 | 63 | 5 | 21 | 35 | 0 | 18 | 6 | 23 | 15 | C |
| RP | Melendez, J.Melendez, Jose SD | 29 | 1994 | R | 0 | 1 | 6.06 | .326 | .410 | 1.75 | 11.3 | 4.5 | 5.1 | 16 | 20 | 3 | 8 | 9 | 0 | 0 | 0 | 31 | 19 | C |
| RP | Merritt, J.Merritt, Jim MIN | 32 | 1975 | L | 0 | 0 | 0.00 | .136 | .290 | 1.00 | 9.0 | 0.0 | 0.0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 7 | C |
| SP | Messersmith, A.Messersmith, Andy CAL | 34 | 1979 | R | 2 | 4 | 4.91 | .312 | .360 | 1.44 | 8.0 | 4.9 | 3.8 | 62 | 55 | 9 | 34 | 26 | 1 | 0 | 3 | 100 | 14 | C |
| SP | Messersmith, A.Messersmith, Andy LA | 34 | 1979 | R | 2 | 4 | 4.91 | .312 | .360 | 1.44 | 8.0 | 4.9 | 3.8 | 62 | 55 | 9 | 34 | 26 | 1 | 0 | 3 | 100 | 14 | C |
| SP | Messersmith, A.Messersmith, Andy ATL | 34 | 1979 | R | 2 | 4 | 4.91 | .312 | .360 | 1.44 | 8.0 | 4.9 | 3.8 | 62 | 55 | 9 | 34 | 26 | 1 | 0 | 3 | 100 | 14 | C |
| RP | Miller, S.Miller, Stu BAL | 41 | 1968 | R | 0 | 0 | 27.00 | .278 | .660 | 5.00 | 9.0 | 36.0 | 9.0 | 1 | 1 | 0 | 4 | 1 | 0 | 0 | 1 | 23 | 11 | C |
| RP | Miller, A.Miller, Andrew CLE | 36 | 2021 | L | 0 | 0 | 4.75 | .326 | .380 | 1.58 | 10.3 | 4.0 | 10.0 | 36 | 41 | 5 | 16 | 40 | 0 | 0 | 1 | 23 | 20 | C |
| RP | Miller, A.Miller, Andrew BOS | 36 | 2021 | L | 0 | 0 | 4.75 | .326 | .380 | 1.58 | 10.3 | 4.0 | 10.0 | 36 | 41 | 5 | 16 | 40 | 0 | 0 | 1 | 23 | 20 | C |
| RP | Miller, M.Miller, Matt CLE | 36 | 2007 | R | 0 | 0 | 0.00 | .133 | .440 | 2.00 | 18.0 | 0.0 | 0.0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 7 | C |
| RP | Miller, A.Miller, Andrew FL | 36 | 2021 | L | 0 | 0 | 4.75 | .326 | .380 | 1.58 | 10.3 | 4.0 | 10.0 | 36 | 41 | 5 | 16 | 40 | 0 | 0 | 1 | 23 | 20 | C |
| RP | Miller, J.Miller, Justin COL | 32 | 2019 | R | 1 | 0 | 4.02 | .267 | .350 | 1.33 | 9.6 | 2.4 | 6.6 | 15 | 16 | 5 | 4 | 11 | 0 | 0 | 0 | 23 | 21 | C |
| RP | Miller, A.Miller, Andrew NYY | 35 | 2020 | L | 1 | 1 | 2.77 | .222 | .300 | 1.08 | 6.2 | 3.5 | 11.1 | 13 | 9 | 0 | 5 | 16 | 0 | 4 | 2 | 23 | 26 | C |
| RP | Miller, S.Miller, Stu PHI | 41 | 1968 | R | 0 | 0 | 27.00 | .278 | .660 | 5.00 | 9.0 | 36.0 | 9.0 | 1 | 1 | 0 | 4 | 1 | 0 | 0 | 1 | 23 | 11 | C |
| RP | Miller, J.Miller, Justin WAS | 32 | 2019 | R | 1 | 0 | 4.02 | .267 | .350 | 1.33 | 9.6 | 2.4 | 6.6 | 15 | 16 | 5 | 4 | 11 | 0 | 0 | 0 | 23 | 21 | C |
| SP | Miller, F.Miller, Frank PIT | 37 | 1923 | R | 0 | 3 | 4.58 | .339 | .400 | 1.67 | 12.5 | 2.5 | 1.4 | 39 | 54 | 2 | 11 | 6 | 0 | 1 | 1 | 87 | 11 | C |
| SP | Millwood, K.Millwood, Kevin ATL | 38 | 2012 | R | 6 | 12 | 4.25 | .312 | .360 | 1.39 | 9.4 | 3.1 | 6.0 | 161 | 168 | 13 | 56 | 107 | 1 | 0 | 5 | 102 | 16 | C |
| RP | Mingori, S.Mingori, Steve CLE | 35 | 1979 | L | 3 | 3 | 5.79 | .368 | .420 | 1.87 | 13.5 | 3.3 | 3.5 | 46 | 69 | 10 | 17 | 18 | 0 | 1 | 0 | 30 | 13 | C |
| RP | Minton, G.Minton, Greg SF | 39 | 1990 | R | 1 | 1 | 2.35 | .247 | .320 | 1.20 | 6.6 | 4.2 | 2.4 | 15 | 11 | 1 | 7 | 4 | 0 | 0 | 0 | 27 | 14 | C |
| RP | Mirabella, P.Mirabella, Paul MIL | 36 | 1990 | L | 4 | 2 | 3.97 | .332 | .380 | 1.58 | 10.1 | 4.1 | 4.3 | 59 | 66 | 9 | 27 | 28 | 0 | 0 | 1 | 27 | 14 | C |
| RP | Moffitt, R.Moffitt, Randy SF | 35 | 1983 | R | 6 | 2 | 3.77 | .296 | .350 | 1.33 | 8.2 | 3.8 | 6.0 | 57 | 52 | 5 | 24 | 38 | 0 | 10 | 0 | 26 | 16 | C |
| RP | Montgomery, J.Montgomery, Jeff KC | 37 | 1999 | R | 1 | 4 | 6.84 | .363 | .420 | 1.82 | 12.7 | 3.7 | 4.8 | 51 | 72 | 7 | 21 | 27 | 0 | 12 | 1 | 23 | 15 | C |
| SP | Montgomery, J.Montgomery, Jordan STL | 31 | 2024 | L | 8 | 7 | 6.23 | .348 | .390 | 1.65 | 11.5 | 3.4 | 6.4 | 117 | 149 | 14 | 44 | 83 | 0 | 1 | 7 | 84 | 16 | C |
| RP | Montgomery, M.Montgomery, Mike CHC | 29 | 2019 | L | 3 | 9 | 4.95 | .342 | .390 | 1.62 | 11.2 | 3.4 | 6.8 | 91 | 113 | 18 | 34 | 69 | 0 | 0 | 3 | 51 | 16 | C |
| SP | Moore, M.Moore, Mike OAK | 36 | 1995 | R | 5 | 15 | 7.53 | .378 | .420 | 1.87 | 12.2 | 4.6 | 4.4 | 132 | 179 | 24 | 68 | 64 | 1 | 0 | 8 | 94 | 14 | C |
| RP | Moore, M.Moore, Matt TB | 35 | 2024 | L | 5 | 3 | 5.03 | .297 | .350 | 1.35 | 7.3 | 4.9 | 7.7 | 48 | 39 | 11 | 26 | 41 | 0 | 1 | 1 | 23 | 18 | C |
| RP | Morgan, T.Morgan, Tom DET | 33 | 1963 | R | 0 | 0 | 5.51 | .310 | .390 | 1.63 | 11.3 | 3.4 | 3.9 | 16 | 20 | 1 | 6 | 7 | 0 | 1 | 1 | 25 | 17 | C |
| SP | Morris, E.Morris, Ed PIT | 28 | 1890 | L | 8 | 7 | 4.86 | .325 | .370 | 1.48 | 11.1 | 2.2 | 1.6 | 144 | 178 | 5 | 35 | 25 | 15 | 0 | 2 | 140 | 11 | C |
| RP | Morrow, B.Morrow, Brandon CHC | 34 | 2018 | R | 0 | 0 | 1.47 | .248 | .310 | 1.10 | 7.2 | 2.7 | 9.3 | 30 | 24 | 2 | 9 | 31 | 0 | 22 | 1 | 23 | 20 | C |
| RP | Moscoso, G.Moscoso, Guillermo OAK | 29 | 2013 | R | 2 | 2 | 5.10 | .291 | .350 | 1.37 | 6.0 | 6.3 | 9.3 | 30 | 20 | 5 | 21 | 31 | 0 | 0 | 5 | 43 | 20 | C |
| RP | Motte, J.Motte, Jason STL | 35 | 2017 | R | 1 | 0 | 3.54 | .270 | .320 | 1.20 | 6.3 | 4.5 | 6.1 | 40 | 28 | 6 | 20 | 27 | 0 | 0 | 1 | 23 | 16 | C |
| SP | Moyer, J.Moyer, Jamie SEA | 50 | 2012 | L | 2 | 5 | 5.70 | .355 | .410 | 1.75 | 12.7 | 3.1 | 6.1 | 53 | 75 | 11 | 18 | 36 | 0 | 0 | 0 | 94 | 17 | C |
| RP | Mulder, M.Mulder, Mark OAK | 31 | 2008 | L | 0 | 0 | 10.80 | .316 | .710 | 6.00 | 36.0 | 18.0 | 18.0 | 1 | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 23 | 12 | C |
| SP | Mullin, G.Mullin, George DET | 35 | 1915 | R | 2 | 2 | 5.85 | .350 | .410 | 1.78 | 11.5 | 4.5 | 3.9 | 32 | 41 | 0 | 16 | 14 | 3 | 0 | 1 | 113 | 14 | C |
| RP | Murfee, P.Murfee, Penn SEA | 29 | 2023 | R | 1 | 2 | 1.29 | .224 | .300 | 1.07 | 3.2 | 6.4 | 10.3 | 14 | 5 | 1 | 10 | 16 | 0 | 0 | 0 | 23 | 26 | C |
| RP | Murphy, R.Murphy, Rob CIN | 35 | 1995 | L | 1 | 2 | 10.95 | .324 | .420 | 1.83 | 10.5 | 6.0 | 5.3 | 12 | 14 | 3 | 8 | 7 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Murray, D.Murray, Dale WAS | 35 | 1985 | R | 0 | 0 | 13.50 | .200 | .440 | 2.00 | 18.0 | 0.0 | 0.0 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 23 | 7 | C |
| RP | Myers, R.Myers, Randy SD | 36 | 1998 | L | 4 | 7 | 4.92 | .323 | .370 | 1.52 | 9.5 | 4.2 | 6.6 | 56 | 59 | 6 | 26 | 41 | 0 | 28 | 4 | 23 | 16 | C |
| RP | Myers, R.Myers, Randy NYM | 36 | 1998 | L | 4 | 7 | 4.92 | .323 | .370 | 1.52 | 9.5 | 4.2 | 6.6 | 56 | 59 | 6 | 26 | 41 | 0 | 28 | 4 | 23 | 16 | C |
| RP | Myers, R.Myers, Randy CHC | 36 | 1998 | L | 4 | 7 | 4.92 | .323 | .370 | 1.52 | 9.5 | 4.2 | 6.6 | 56 | 59 | 6 | 26 | 41 | 0 | 28 | 4 | 23 | 16 | C |
| RP | Myers, R.Myers, Randy BAL | 37 | 1998 | L | 4 | 7 | 4.92 | .336 | .390 | 1.61 | 10.0 | 4.5 | 5.3 | 56 | 62 | 6 | 28 | 33 | 0 | 28 | 4 | 21 | 15 | C |
| RP | Nabholz, C.Nabholz, Chris WAS | 28 | 1995 | L | 0 | 1 | 5.40 | .313 | .380 | 1.57 | 8.6 | 5.5 | 8.2 | 23 | 22 | 4 | 14 | 21 | 0 | 0 | 2 | 23 | 20 | C |
| RP | Nathan, J.Nathan, Joe TEX | 40 | 2014 | R | 5 | 4 | 4.81 | .326 | .380 | 1.53 | 9.3 | 4.5 | 8.4 | 58 | 60 | 5 | 29 | 54 | 0 | 35 | 4 | 23 | 19 | C |
| RP | Nathan, J.Nathan, Joe MIN | 40 | 2014 | R | 5 | 4 | 4.81 | .326 | .380 | 1.53 | 9.3 | 4.5 | 8.4 | 58 | 60 | 5 | 29 | 54 | 0 | 35 | 4 | 23 | 19 | C |
| RP | Navarro, J.Navarro, Julio CAL | 34 | 1970 | R | 0 | 0 | 4.10 | .221 | .280 | 0.96 | 8.3 | 0.3 | 7.3 | 26 | 24 | 7 | 1 | 21 | 0 | 1 | 1 | 30 | 20 | C |
| RP | Nelson, J.Nelson, Jimmy LA | 32 | 2021 | R | 1 | 2 | 1.86 | .218 | .280 | 0.93 | 4.3 | 4.0 | 13.7 | 29 | 14 | 0 | 13 | 44 | 0 | 0 | 4 | 23 | 24 | C |
| RP | Nelson, J.Nelson, Jeff SEA | 40 | 2006 | R | 0 | 1 | 3.38 | .333 | .610 | 4.00 | 13.5 | 22.5 | 9.0 | 2 | 3 | 1 | 5 | 2 | 0 | 0 | 0 | 23 | 12 | C |
| RP | Nen, R.Nen, Robb FL | 33 | 2002 | R | 6 | 2 | 2.20 | .268 | .320 | 1.15 | 7.9 | 2.5 | 10.0 | 73 | 64 | 2 | 20 | 81 | 0 | 43 | 1 | 23 | 20 | C |
| CL | Nen, R.Nen, Robb SF | 33 | 2002 | R | 6 | 2 | 2.20 | .268 | .320 | 1.15 | 7.9 | 2.5 | 10.0 | 73 | 64 | 2 | 20 | 81 | 0 | 43 | 1 | 23 | 20 | C |
| RP | Neris, H.Neris, Hector PHI | 31 | 2020 | R | 2 | 2 | 4.57 | .336 | .410 | 1.76 | 10.3 | 5.6 | 11.6 | 21 | 24 | 0 | 13 | 27 | 0 | 5 | 3 | 23 | 23 | C |
| RP | Neshek, P.Neshek, Pat MIN | 39 | 2019 | R | 0 | 1 | 5.00 | .281 | .360 | 1.39 | 11.5 | 1.0 | 4.5 | 18 | 23 | 5 | 2 | 9 | 0 | 3 | 0 | 23 | 14 | C |
| RP | Neshek, P.Neshek, Pat HOU | 39 | 2019 | R | 0 | 1 | 5.00 | .281 | .360 | 1.39 | 11.5 | 1.0 | 4.5 | 18 | 23 | 5 | 2 | 9 | 0 | 3 | 0 | 23 | 14 | C |
| RP | Neshek, P.Neshek, Pat STL | 39 | 2019 | R | 0 | 1 | 5.00 | .281 | .360 | 1.39 | 11.5 | 1.0 | 4.5 | 18 | 23 | 5 | 2 | 9 | 0 | 3 | 0 | 23 | 14 | C |
| RP | Neshek, P.Neshek, Pat PHI | 39 | 2019 | R | 0 | 1 | 5.00 | .281 | .360 | 1.39 | 11.5 | 1.0 | 4.5 | 18 | 23 | 5 | 2 | 9 | 0 | 3 | 0 | 23 | 14 | C |
| SP | Newcombe, D.Newcombe, Don LA | 34 | 1960 | R | 6 | 9 | 4.48 | .303 | .350 | 1.34 | 10.6 | 1.5 | 4.2 | 136 | 160 | 18 | 22 | 63 | 1 | 1 | 0 | 68 | 14 | C |
| RP | Newhouser, H.Newhouser, Hal DET | 34 | 1955 | L | 0 | 0 | 0.00 | .238 | .490 | 2.50 | 4.5 | 18.0 | 4.5 | 2 | 1 | 0 | 4 | 1 | 0 | 0 | 1 | 23 | 11 | C |
| RP | Oberg, S.Oberg, Scott COL | 29 | 2019 | R | 6 | 1 | 2.25 | .258 | .310 | 1.11 | 6.3 | 3.7 | 9.3 | 56 | 39 | 5 | 23 | 58 | 0 | 5 | 3 | 23 | 19 | C |
| RP | O'Day, D.O'Day, Darren CAL | 36 | 2018 | R | 0 | 2 | 3.60 | .239 | .310 | 1.10 | 8.1 | 1.8 | 12.2 | 20 | 18 | 3 | 4 | 27 | 0 | 2 | 0 | 23 | 23 | C |
| RP | O'Day, D.O'Day, Darren TEX | 36 | 2018 | R | 0 | 2 | 3.60 | .239 | .310 | 1.10 | 8.1 | 1.8 | 12.2 | 20 | 18 | 3 | 4 | 27 | 0 | 2 | 0 | 23 | 23 | C |
| RP | O'Flaherty, E.O'Flaherty, Eric SEA | 32 | 2017 | L | 0 | 0 | 7.85 | .312 | .390 | 1.61 | 10.0 | 4.5 | 7.5 | 18 | 20 | 4 | 9 | 15 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Oh, S.Oh, Seung-hwan STL | 36 | 2019 | R | 3 | 1 | 9.33 | .354 | .430 | 1.94 | 14.5 | 3.0 | 8.0 | 18 | 29 | 6 | 6 | 16 | 0 | 0 | 2 | 23 | 18 | C |
| RP | Oh, S.Oh, Seung-hwan TOR | 36 | 2019 | R | 3 | 1 | 9.33 | .354 | .430 | 1.94 | 14.5 | 3.0 | 8.0 | 18 | 29 | 6 | 6 | 16 | 0 | 0 | 2 | 23 | 18 | C |
| SP | Ohtani, S.Ohtani, Shohei CAL | 23 | 2018 | R | 4 | 2 | 3.31 | .269 | .320 | 1.18 | 6.7 | 3.9 | 11.1 | 51 | 38 | 6 | 22 | 63 | 0 | 0 | 5 | 91 | 22 | C |
| RP | Okajima, H.Okajima, Hideki BOS | 35 | 2010 | L | 4 | 4 | 4.50 | .348 | .400 | 1.72 | 11.5 | 3.9 | 6.5 | 46 | 59 | 6 | 20 | 33 | 0 | 0 | 2 | 23 | 16 | C |
| RP | Oliver, D.Oliver, Darren BOS | 43 | 2013 | L | 3 | 4 | 3.86 | .283 | .340 | 1.27 | 8.6 | 2.8 | 7.3 | 49 | 47 | 6 | 15 | 40 | 0 | 0 | 0 | 23 | 18 | C |
| RP | Oliver, D.Oliver, Darren COL | 43 | 2013 | L | 3 | 4 | 3.86 | .283 | .340 | 1.27 | 8.6 | 2.8 | 7.3 | 49 | 47 | 6 | 15 | 40 | 0 | 0 | 0 | 23 | 18 | C |
| RP | Oliver, D.Oliver, Darren CAL | 43 | 2013 | L | 3 | 4 | 3.86 | .283 | .340 | 1.27 | 8.6 | 2.8 | 7.3 | 49 | 47 | 6 | 15 | 40 | 0 | 0 | 0 | 23 | 18 | C |
| RP | Olson, G.Olson, Gregg BAL | 35 | 2001 | R | 0 | 1 | 8.03 | .359 | .430 | 1.92 | 9.8 | 7.5 | 9.0 | 24 | 26 | 4 | 20 | 24 | 0 | 0 | 1 | 23 | 22 | C |
| RP | Olson, G.Olson, Gregg AZ | 35 | 2001 | R | 0 | 1 | 8.03 | .359 | .430 | 1.92 | 9.8 | 7.5 | 9.0 | 24 | 26 | 4 | 20 | 24 | 0 | 0 | 1 | 23 | 22 | C |
| SP | Ontiveros, S.Ontiveros, Steve OAK | 34 | 1995 | R | 9 | 6 | 4.37 | .314 | .360 | 1.41 | 10.0 | 2.7 | 5.4 | 129 | 144 | 12 | 38 | 77 | 2 | 0 | 5 | 104 | 15 | C |
| RP | Orosco, J.Orosco, Jesse CLE | 46 | 2003 | L | 2 | 2 | 7.75 | .363 | .420 | 1.88 | 11.2 | 5.7 | 7.9 | 33 | 41 | 4 | 21 | 29 | 0 | 2 | 7 | 23 | 19 | C |
| RP | Orosco, J.Orosco, Jesse MIL | 46 | 2003 | L | 2 | 2 | 7.75 | .363 | .420 | 1.88 | 11.2 | 5.7 | 7.9 | 33 | 41 | 4 | 21 | 29 | 0 | 2 | 7 | 23 | 19 | C |
| RP | Ortega, P.Ortega, Phil TEX | 30 | 1969 | R | 0 | 0 | 10.13 | .370 | .490 | 2.50 | 14.6 | 7.9 | 4.5 | 8 | 13 | 3 | 7 | 4 | 0 | 0 | 0 | 31 | 14 | C |
| RP | Orth, A.Orth, Al PHI | 37 | 1909 | R | 0 | 0 | 12.00 | .269 | .480 | 2.33 | 18.0 | 3.0 | 3.0 | 3 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 55 | 11 | C |
| CL | Osuna, R.Osuna, Roberto TOR | 24 | 2019 | R | 4 | 3 | 2.63 | .218 | .270 | 0.88 | 6.2 | 1.7 | 10.1 | 65 | 45 | 8 | 12 | 73 | 0 | 38 | 1 | 23 | 20 | C |
| SP | Oswalt, R.Oswalt, Roy PHI | 36 | 2013 | R | 0 | 6 | 8.63 | .354 | .420 | 1.81 | 13.8 | 2.5 | 9.6 | 32 | 49 | 3 | 9 | 34 | 0 | 0 | 1 | 64 | 21 | C |
| RP | Ottavino, A.Ottavino, Adam NYM | 39 | 2025 | R | 0 | 0 | 0.00 | .235 | .610 | 4.00 | 0.0 | 36.0 | 27.0 | 1 | 0 | 0 | 4 | 3 | 0 | 0 | 0 | 23 | 13 | C |
| SP | Overall, O.Overall, Orval CHC | 32 | 1913 | R | 4 | 5 | 3.31 | .316 | .370 | 1.46 | 9.7 | 3.4 | 4.0 | 68 | 73 | 1 | 26 | 30 | 6 | 0 | 0 | 109 | 14 | C |
| SP | Owen, F.Owen, Frank CWS | 30 | 1909 | R | 1 | 1 | 4.50 | .275 | .350 | 1.38 | 10.7 | 1.7 | 1.7 | 16 | 19 | 0 | 3 | 3 | 1 | 0 | 0 | 95 | 13 | C |
| RP | Papelbon, J.Papelbon, Jonathan BOS | 36 | 2016 | R | 2 | 4 | 4.37 | .307 | .370 | 1.46 | 9.5 | 3.6 | 8.0 | 35 | 37 | 3 | 14 | 31 | 0 | 19 | 1 | 23 | 20 | C |
| RP | Papelbon, J.Papelbon, Jonathan PHI | 36 | 2016 | R | 2 | 4 | 4.37 | .307 | .370 | 1.46 | 9.5 | 3.6 | 8.0 | 35 | 37 | 3 | 14 | 31 | 0 | 19 | 1 | 23 | 20 | C |
| RP | Parker, B.Parker, Blake PHI | 36 | 2021 | R | 2 | 1 | 3.09 | .291 | .350 | 1.33 | 9.0 | 2.9 | 7.7 | 43 | 43 | 5 | 14 | 37 | 0 | 0 | 1 | 23 | 19 | C |
| RP | Pattin, M.Pattin, Marty CAL | 37 | 1980 | R | 4 | 0 | 3.64 | .302 | .350 | 1.35 | 9.8 | 2.3 | 4.0 | 89 | 97 | 7 | 23 | 40 | 0 | 4 | 2 | 45 | 14 | C |
| RP | Pattin, M.Pattin, Marty MIL | 37 | 1980 | R | 4 | 0 | 3.64 | .302 | .350 | 1.35 | 9.8 | 2.3 | 4.0 | 89 | 97 | 7 | 23 | 40 | 0 | 4 | 2 | 45 | 14 | C |
| SP | Paxton, J.Paxton, James SEA | 35 | 2024 | L | 9 | 3 | 4.40 | .319 | .360 | 1.45 | 8.6 | 4.5 | 6.6 | 100 | 95 | 12 | 50 | 73 | 0 | 0 | 4 | 85 | 16 | C |
| SP | Peavy, J.Peavy, Jake SD | 35 | 2016 | R | 5 | 9 | 5.54 | .318 | .360 | 1.44 | 10.2 | 2.7 | 7.8 | 118 | 134 | 18 | 36 | 102 | 0 | 0 | 4 | 69 | 17 | C |
| SP | Pelty, B.Pelty, Barney BAL | 32 | 1912 | R | 2 | 9 | 4.37 | .297 | .340 | 1.32 | 9.1 | 2.7 | 2.7 | 82 | 83 | 0 | 25 | 25 | 3 | 0 | 1 | 86 | 12 | C |
| RP | Pena, O.Pena, Orlando OAK | 34 | 1967 | R | 0 | 4 | 3.59 | .251 | .300 | 1.04 | 7.2 | 2.2 | 7.4 | 90 | 72 | 8 | 22 | 74 | 0 | 8 | 3 | 35 | 17 | C |
| RP | Peralta, J.Peralta, Joel CAL | 40 | 2016 | R | 1 | 1 | 5.93 | .295 | .360 | 1.41 | 10.0 | 2.7 | 11.0 | 27 | 30 | 9 | 8 | 33 | 0 | 0 | 0 | 23 | 21 | C |
| RP | Percival, T.Percival, Troy CAL | 40 | 2009 | R | 0 | 1 | 6.35 | .306 | .400 | 1.73 | 11.5 | 4.1 | 5.7 | 11 | 14 | 3 | 5 | 7 | 0 | 6 | 2 | 23 | 17 | C |
| RP | Percival, T.Percival, Troy STL | 40 | 2009 | R | 0 | 1 | 6.35 | .306 | .400 | 1.73 | 11.5 | 4.1 | 5.7 | 11 | 14 | 3 | 5 | 7 | 0 | 6 | 2 | 23 | 17 | C |
| RP | Perez, C.Perez, Chris CLE | 29 | 2014 | R | 1 | 3 | 4.27 | .299 | .350 | 1.37 | 7.4 | 4.9 | 7.6 | 46 | 38 | 6 | 25 | 39 | 0 | 1 | 4 | 23 | 17 | C |
| RP | Perez, R.Perez, Rafael CLE | 29 | 2011 | L | 5 | 2 | 3.00 | .282 | .330 | 1.24 | 8.4 | 2.7 | 4.7 | 63 | 59 | 2 | 19 | 33 | 0 | 0 | 3 | 23 | 14 | C |
| SP | Perez, O.Perez, Odalis LA | 31 | 2008 | L | 7 | 12 | 4.34 | .327 | .370 | 1.49 | 10.3 | 3.1 | 6.7 | 159 | 182 | 22 | 55 | 119 | 0 | 0 | 5 | 94 | 17 | C |
| RP | Perranoski, R.Perranoski, Ron LA | 37 | 1973 | L | 0 | 2 | 4.09 | .295 | .390 | 1.64 | 9.0 | 5.7 | 4.1 | 11 | 11 | 0 | 7 | 5 | 0 | 0 | 1 | 27 | 15 | C |
| SP | Perry, G.Perry, Gaylord CLE | 45 | 1983 | R | 7 | 14 | 4.64 | .316 | .360 | 1.41 | 10.4 | 2.4 | 4.0 | 186 | 214 | 24 | 49 | 82 | 3 | 0 | 5 | 109 | 14 | C |
| SP | Perry, G.Perry, Gaylord TEX | 46 | 1983 | R | 7 | 14 | 4.64 | .324 | .370 | 1.46 | 10.7 | 2.4 | 3.6 | 186 | 222 | 24 | 50 | 74 | 3 | 0 | 5 | 108 | 13 | C |
| SP | Perry, G.Perry, Gaylord SD | 45 | 1983 | R | 7 | 14 | 4.64 | .316 | .360 | 1.41 | 10.4 | 2.4 | 4.0 | 186 | 214 | 24 | 49 | 82 | 3 | 0 | 5 | 109 | 14 | C |
| RP | Petit, Y.Petit, Yusmeiro OAK | 37 | 2021 | R | 8 | 3 | 3.92 | .249 | .300 | 1.04 | 8.0 | 1.4 | 4.3 | 78 | 69 | 12 | 12 | 37 | 0 | 2 | 1 | 23 | 14 | C |
| SP | Pettitte, A.Pettitte, Andy HOU | 41 | 2013 | L | 11 | 11 | 3.74 | .303 | .350 | 1.33 | 9.6 | 2.3 | 6.2 | 185 | 198 | 17 | 48 | 128 | 1 | 0 | 6 | 109 | 16 | C |
| SP | Pfeffer, J.Pfeffer, Jeff LA | 36 | 1924 | R | 9 | 8 | 4.35 | .342 | .390 | 1.60 | 11.3 | 3.1 | 2.6 | 136 | 170 | 6 | 47 | 39 | 4 | 0 | 3 | 79 | 12 | C |
| SP | Pfiester, J.Pfiester, Jack CHC | 33 | 1911 | L | 1 | 4 | 4.01 | .323 | .380 | 1.58 | 9.3 | 4.9 | 4.1 | 33 | 34 | 0 | 18 | 15 | 3 | 0 | 1 | 98 | 15 | C |
| RP | Pierce, B.Pierce, Billy CWS | 37 | 1964 | L | 3 | 0 | 2.20 | .242 | .290 | 1.02 | 7.3 | 1.8 | 5.3 | 49 | 40 | 6 | 10 | 29 | 0 | 4 | 1 | 28 | 15 | C |
| RP | Pina, H.Pina, Horacio OAK | 30 | 1974 | R | 4 | 6 | 3.66 | .322 | .370 | 1.51 | 8.8 | 4.7 | 5.8 | 59 | 58 | 5 | 31 | 38 | 0 | 4 | 2 | 26 | 16 | C |
| SP | Pineda, M.Pineda, Michael NYY | 34 | 2022 | R | 2 | 7 | 5.79 | .324 | .380 | 1.54 | 11.7 | 2.2 | 4.3 | 46 | 60 | 13 | 11 | 22 | 0 | 0 | 0 | 72 | 14 | C |
| SP | Pineda, M.Pineda, Michael SEA | 33 | 2022 | R | 2 | 7 | 5.79 | .308 | .360 | 1.43 | 11.3 | 1.6 | 5.1 | 46 | 58 | 13 | 8 | 26 | 0 | 0 | 0 | 75 | 15 | C |
| SP | Plank, E.Plank, Eddie OAK | 42 | 1917 | L | 5 | 6 | 1.79 | .262 | .310 | 1.09 | 7.2 | 2.6 | 1.8 | 131 | 105 | 2 | 38 | 26 | 8 | 1 | 1 | 115 | 11 | C |
| RP | Politte, C.Politte, Cliff TOR | 32 | 2006 | R | 2 | 2 | 8.70 | .383 | .450 | 2.07 | 14.1 | 4.5 | 4.5 | 30 | 47 | 9 | 15 | 15 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Pomeranz, D.Pomeranz, Drew SD | 32 | 2021 | L | 1 | 0 | 1.75 | .254 | .320 | 1.16 | 6.8 | 3.6 | 10.8 | 25 | 19 | 2 | 10 | 30 | 0 | 0 | 1 | 23 | 25 | C |
| RP | Portocarrero, A.Portocarrero, Arnie BAL | 29 | 1960 | R | 3 | 2 | 4.43 | .290 | .350 | 1.33 | 9.9 | 2.0 | 3.4 | 40 | 44 | 6 | 9 | 15 | 1 | 0 | 1 | 56 | 13 | C |
| RP | Potter, N.Potter, Nels BAL | 38 | 1949 | R | 6 | 11 | 4.19 | .302 | .350 | 1.34 | 9.3 | 2.8 | 5.3 | 96 | 99 | 6 | 30 | 57 | 1 | 7 | 0 | 44 | 15 | C |
| SP | Powell, J.Powell, Jack BAL | 38 | 1912 | R | 9 | 17 | 3.10 | .296 | .340 | 1.28 | 9.5 | 2.0 | 2.6 | 235 | 248 | 5 | 52 | 67 | 19 | 0 | 5 | 129 | 12 | C |
| RP | Price, D.Price, David BOS | 37 | 2022 | L | 2 | 0 | 2.45 | .266 | .320 | 1.18 | 8.6 | 2.0 | 8.3 | 40 | 38 | 6 | 9 | 37 | 0 | 2 | 0 | 23 | 19 | C |
| RP | Price, D.Price, David TOR | 37 | 2022 | L | 2 | 0 | 2.45 | .266 | .320 | 1.18 | 8.6 | 2.0 | 8.3 | 40 | 38 | 6 | 9 | 37 | 0 | 2 | 0 | 23 | 19 | C |
| RP | Price, D.Price, David TB | 37 | 2022 | L | 2 | 0 | 2.45 | .266 | .320 | 1.18 | 8.6 | 2.0 | 8.3 | 40 | 38 | 6 | 9 | 37 | 0 | 2 | 0 | 23 | 19 | C |
| RP | Puk, A.Puk, A.J. FL | 30 | 2025 | L | 0 | 0 | 3.38 | .227 | .330 | 1.25 | 9.0 | 2.3 | 13.5 | 8 | 8 | 2 | 2 | 12 | 0 | 4 | 1 | 23 | 22 | C |
| RP | Putz, J.Putz, J.J. AZ | 37 | 2014 | R | 1 | 1 | 6.59 | .319 | .410 | 1.77 | 11.8 | 4.2 | 9.7 | 13 | 17 | 1 | 6 | 14 | 0 | 0 | 2 | 23 | 24 | C |
| RP | Putz, J.Putz, J.J. SEA | 37 | 2014 | R | 1 | 1 | 6.59 | .319 | .410 | 1.77 | 11.8 | 4.2 | 9.7 | 13 | 17 | 1 | 6 | 14 | 0 | 0 | 2 | 23 | 24 | C |
| RP | Qualls, C.Qualls, Chad AZ | 39 | 2017 | R | 1 | 1 | 5.40 | .275 | .350 | 1.38 | 9.6 | 2.8 | 6.2 | 16 | 17 | 3 | 5 | 11 | 0 | 0 | 0 | 23 | 21 | C |
| RP | Quisenberry, D.Quisenberry, Dan KC | 37 | 1990 | R | 0 | 1 | 13.50 | .364 | .510 | 2.67 | 19.5 | 4.5 | 3.0 | 6 | 13 | 1 | 3 | 2 | 0 | 0 | 0 | 24 | 12 | C |
| RP | Radatz, D.Radatz, Dick BOS | 32 | 1969 | R | 2 | 6 | 4.89 | .290 | .340 | 1.30 | 7.8 | 3.9 | 8.5 | 53 | 46 | 9 | 23 | 50 | 0 | 3 | 0 | 31 | 20 | C |
| RP | Ramirez, N.Ramirez, Noe AZ | 32 | 2022 | R | 5 | 4 | 5.22 | .307 | .360 | 1.42 | 8.1 | 4.7 | 9.2 | 50 | 45 | 9 | 26 | 51 | 0 | 0 | 2 | 23 | 20 | C |
| RP | Randolph, S.Randolph, Stephen AZ | 30 | 2004 | L | 2 | 5 | 5.51 | .371 | .420 | 1.84 | 8.1 | 8.4 | 6.9 | 81 | 73 | 11 | 76 | 62 | 0 | 0 | 3 | 35 | 16 | C |
| SP | Raschi, V.Raschi, Vic NYY | 36 | 1955 | R | 4 | 7 | 5.68 | .352 | .400 | 1.68 | 12.0 | 3.1 | 3.4 | 103 | 137 | 10 | 36 | 39 | 1 | 0 | 2 | 87 | 13 | C |
| RP | Ray, C.Ray, Chris BAL | 29 | 2011 | R | 3 | 2 | 4.68 | .298 | .360 | 1.41 | 9.3 | 3.4 | 6.2 | 32 | 33 | 2 | 12 | 22 | 0 | 0 | 4 | 23 | 17 | C |
| RP | Reardon, J.Reardon, Jeff WAS | 39 | 1994 | R | 1 | 0 | 8.38 | .351 | .460 | 2.22 | 17.0 | 3.0 | 4.0 | 9 | 17 | 3 | 3 | 4 | 0 | 2 | 0 | 23 | 14 | C |
| RP | Reed, R.Reed, Ron PHI | 42 | 1984 | R | 0 | 6 | 3.08 | .261 | .310 | 1.11 | 8.3 | 1.7 | 7.0 | 73 | 67 | 7 | 14 | 57 | 0 | 12 | 3 | 28 | 17 | C |
| RP | Reed, S.Reed, Steve COL | 40 | 2005 | R | 1 | 2 | 6.61 | .329 | .390 | 1.63 | 11.5 | 3.1 | 4.2 | 32 | 41 | 5 | 11 | 15 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Reed, S.Reed, Steve SF | 40 | 2005 | R | 1 | 2 | 6.61 | .329 | .390 | 1.63 | 11.5 | 3.1 | 4.2 | 32 | 41 | 5 | 11 | 15 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Remlinger, M.Remlinger, Mike ATL | 40 | 2006 | L | 2 | 4 | 4.03 | .321 | .390 | 1.64 | 11.0 | 3.7 | 7.8 | 22 | 27 | 2 | 9 | 19 | 0 | 2 | 1 | 23 | 19 | C |
| RP | Reniff, H.Reniff, Hal NYY | 29 | 1967 | R | 3 | 5 | 3.80 | .315 | .360 | 1.43 | 8.9 | 4.0 | 4.9 | 83 | 82 | 1 | 37 | 45 | 0 | 4 | 5 | 31 | 15 | C |
| SP | Reulbach, E.Reulbach, Ed CHC | 35 | 1917 | R | 0 | 1 | 2.82 | .321 | .390 | 1.64 | 8.6 | 6.1 | 3.7 | 22 | 21 | 0 | 15 | 9 | 0 | 0 | 0 | 79 | 14 | C |
| RP | Reyes, A.Reyes, Al STL | 34 | 2005 | R | 4 | 2 | 2.15 | .228 | .280 | 0.94 | 5.5 | 2.9 | 9.7 | 62 | 38 | 5 | 20 | 67 | 0 | 3 | 1 | 23 | 21 | C |
| RP | Reynolds, M.Reynolds, Matt AZ | 28 | 2013 | L | 0 | 2 | 1.98 | .248 | .310 | 1.11 | 8.3 | 1.7 | 7.7 | 27 | 25 | 2 | 5 | 23 | 0 | 2 | 0 | 23 | 17 | C |
| SP | Rhines, B.Rhines, Billy CIN | 30 | 1899 | R | 4 | 4 | 6.00 | .295 | .350 | 1.33 | 9.8 | 2.2 | 1.0 | 54 | 59 | 3 | 13 | 6 | 4 | 0 | 0 | 106 | 11 | C |
| RP | Rhodes, A.Rhodes, Arthur SEA | 42 | 2011 | L | 3 | 3 | 4.81 | .305 | .370 | 1.50 | 10.5 | 3.0 | 5.6 | 24 | 28 | 6 | 8 | 15 | 0 | 1 | 1 | 23 | 17 | C |
| RP | Rhodes, A.Rhodes, Arthur CIN | 42 | 2011 | L | 3 | 3 | 4.81 | .305 | .370 | 1.50 | 10.5 | 3.0 | 5.6 | 24 | 28 | 6 | 8 | 15 | 0 | 1 | 1 | 23 | 17 | C |
| RP | Richert, P.Richert, Pete TEX | 35 | 1974 | L | 2 | 1 | 2.27 | .280 | .340 | 1.29 | 7.3 | 4.4 | 3.8 | 31 | 25 | 1 | 15 | 13 | 0 | 1 | 1 | 23 | 14 | C |
| RP | Richert, P.Richert, Pete BAL | 35 | 1974 | L | 2 | 1 | 2.27 | .280 | .340 | 1.29 | 7.3 | 4.4 | 3.8 | 31 | 25 | 1 | 15 | 13 | 0 | 1 | 1 | 23 | 14 | C |
| SP | Richie, L.Richie, Lew PHI | 30 | 1913 | R | 2 | 4 | 5.82 | .343 | .390 | 1.65 | 10.7 | 4.2 | 2.1 | 65 | 77 | 3 | 30 | 15 | 0 | 0 | 1 | 73 | 12 | C |
| RP | Rijo, J.Rijo, Jose CIN | 37 | 2002 | R | 5 | 4 | 5.14 | .311 | .360 | 1.42 | 10.4 | 2.3 | 4.4 | 77 | 89 | 13 | 20 | 38 | 0 | 0 | 1 | 46 | 14 | C |
| RP | Risley, B.Risley, Bill SEA | 31 | 1998 | R | 3 | 4 | 5.27 | .333 | .390 | 1.59 | 8.7 | 5.7 | 7.0 | 54 | 52 | 7 | 34 | 42 | 0 | 0 | 3 | 25 | 17 | C |
| RP | Rivera, M.Rivera, Mariano NYY | 42 | 2011 | R | 1 | 2 | 1.91 | .222 | .270 | 0.90 | 6.9 | 1.2 | 8.9 | 61 | 47 | 3 | 8 | 60 | 0 | 44 | 1 | 23 | 20 | C |
| RP | Roark, T.Roark, Tanner WAS | 34 | 2021 | R | 0 | 1 | 6.43 | .225 | .340 | 1.29 | 9.0 | 2.6 | 6.4 | 7 | 7 | 3 | 2 | 5 | 0 | 0 | 0 | 44 | 15 | C |
| SP | Robinson, D.Robinson, Don PIT | 35 | 1992 | R | 2 | 4 | 5.10 | .283 | .330 | 1.25 | 10.2 | 1.1 | 3.9 | 60 | 68 | 7 | 7 | 26 | 0 | 0 | 1 | 97 | 14 | C |
| RP | Rodney, F.Rodney, Fernando AZ | 42 | 2019 | R | 0 | 5 | 5.66 | .338 | .390 | 1.64 | 9.4 | 5.4 | 9.4 | 47 | 49 | 5 | 28 | 49 | 0 | 2 | 6 | 23 | 19 | C |
| RP | Rodney, F.Rodney, Fernando TB | 42 | 2019 | R | 0 | 5 | 5.66 | .338 | .390 | 1.64 | 9.4 | 5.4 | 9.4 | 47 | 49 | 5 | 28 | 49 | 0 | 2 | 6 | 23 | 19 | C |
| RP | Rodriguez, P.Rodriguez, Paco LA | 24 | 2015 | L | 0 | 0 | 2.61 | .245 | .340 | 1.30 | 9.0 | 2.7 | 7.2 | 10 | 10 | 0 | 3 | 8 | 0 | 0 | 0 | 23 | 18 | C |
| RP | Rodriguez, R.Rodriguez, Richard PIT | 31 | 2021 | R | 5 | 4 | 2.94 | .229 | .280 | 0.94 | 7.0 | 1.4 | 5.9 | 64 | 50 | 8 | 10 | 42 | 0 | 14 | 4 | 23 | 16 | C |
| RP | Roe, C.Roe, Chaz TB | 32 | 2019 | R | 1 | 3 | 4.06 | .329 | .380 | 1.57 | 8.6 | 5.5 | 11.5 | 51 | 49 | 3 | 31 | 65 | 0 | 1 | 3 | 23 | 23 | C |
| RP | Roebuck, E.Roebuck, Ed PHI | 35 | 1966 | R | 0 | 2 | 6.00 | .282 | .420 | 1.83 | 13.5 | 3.0 | 7.5 | 6 | 9 | 0 | 2 | 5 | 0 | 0 | 1 | 23 | 15 | C |
| RP | Rojas, M.Rojas, Mel WAS | 33 | 1999 | R | 0 | 0 | 18.00 | .373 | .460 | 2.21 | 14.1 | 5.8 | 6.4 | 14 | 22 | 6 | 9 | 10 | 0 | 0 | 1 | 23 | 20 | C |
| RP | Romo, V.Romo, Vicente CLE | 39 | 1982 | R | 1 | 2 | 3.03 | .253 | .310 | 1.11 | 6.4 | 3.6 | 6.2 | 35 | 25 | 1 | 14 | 24 | 0 | 1 | 1 | 44 | 18 | C |
| RP | Rondon, H.Rondon, Hector CHC | 32 | 2020 | R | 1 | 0 | 7.65 | .340 | .410 | 1.80 | 11.3 | 5.0 | 10.4 | 20 | 25 | 6 | 11 | 23 | 0 | 0 | 3 | 23 | 21 | C |
| SP | Rosado, J.Rosado, Jose KC | 26 | 2000 | L | 2 | 2 | 5.86 | .295 | .360 | 1.41 | 9.7 | 3.0 | 5.0 | 27 | 29 | 4 | 9 | 15 | 0 | 0 | 0 | 96 | 15 | C |
| RP | Rosenthal, T.Rosenthal, Trevor STL | 27 | 2017 | R | 3 | 4 | 3.40 | .274 | .330 | 1.21 | 7.1 | 3.8 | 14.6 | 47 | 37 | 3 | 20 | 76 | 0 | 11 | 2 | 23 | 25 | C |
| RP | Rozema, D.Rozema, Dave DET | 30 | 1986 | R | 0 | 0 | 5.91 | .355 | .460 | 2.20 | 17.1 | 2.7 | 2.7 | 10 | 19 | 1 | 3 | 3 | 0 | 0 | 0 | 32 | 13 | C |
| RP | Ruffin, B.Ruffin, Bruce COL | 34 | 1997 | L | 0 | 2 | 5.32 | .321 | .390 | 1.64 | 7.4 | 7.4 | 12.7 | 22 | 18 | 3 | 18 | 31 | 0 | 7 | 2 | 23 | 25 | C |
| SP | Rusie, A.Rusie, Amos SF | 27 | 1898 | R | 20 | 11 | 3.03 | .301 | .340 | 1.30 | 8.6 | 3.1 | 3.4 | 300 | 288 | 6 | 103 | 114 | 33 | 1 | 13 | 140 | 13 | C |
| RP | Russell, A.Russell, Allen NYY | 32 | 1925 | R | 2 | 4 | 5.77 | .363 | .410 | 1.79 | 11.3 | 4.9 | 3.3 | 68 | 85 | 6 | 37 | 25 | 0 | 2 | 3 | 40 | 13 | C |
| RP | Russell, J.Russell, Jeff BOS | 35 | 1996 | R | 3 | 3 | 3.38 | .310 | .360 | 1.43 | 9.3 | 3.5 | 3.7 | 56 | 58 | 5 | 22 | 23 | 0 | 3 | 3 | 23 | 13 | C |
| SP | Russo, M.Russo, Marius NYY | 29 | 1943 | L | 5 | 10 | 3.72 | .300 | .350 | 1.33 | 7.9 | 4.0 | 3.7 | 101 | 89 | 7 | 45 | 42 | 5 | 1 | 1 | 76 | 13 | C |
| SP | Ruth, B.Ruth, Babe BOS | 26 | 1921 | L | 2 | 0 | 9.00 | .383 | .500 | 2.56 | 14.0 | 9.0 | 2.0 | 9 | 14 | 1 | 9 | 2 | 0 | 0 | 0 | 80 | 12 | C |
| SP | Ryan, N.Ryan, Nolan TEX | 46 | 1993 | R | 5 | 5 | 4.88 | .311 | .360 | 1.42 | 7.4 | 5.5 | 6.3 | 66 | 54 | 5 | 40 | 46 | 0 | 0 | 3 | 90 | 16 | C |
| RP | Ryan, B.Ryan, B.J. TOR | 34 | 2009 | L | 1 | 1 | 6.53 | .358 | .430 | 1.95 | 9.9 | 7.7 | 5.9 | 20 | 22 | 5 | 17 | 13 | 0 | 2 | 1 | 23 | 16 | C |
| SP | Ryu, H.Ryu, Hyun-jin TOR | 37 | 2023 | L | 3 | 3 | 3.46 | .297 | .350 | 1.35 | 9.5 | 2.6 | 6.1 | 52 | 55 | 9 | 15 | 35 | 0 | 0 | 1 | 81 | 16 | C |
| SP | Sabathia, C.Sabathia, CC MIL | 39 | 2019 | L | 5 | 8 | 4.95 | .313 | .360 | 1.41 | 9.4 | 3.3 | 9.0 | 107 | 112 | 27 | 39 | 107 | 0 | 0 | 0 | 83 | 19 | C |
| SP | Saberhagen, B.Saberhagen, Bret KC | 35 | 1999 | R | 10 | 6 | 2.95 | .266 | .310 | 1.12 | 9.2 | 0.8 | 6.1 | 119 | 122 | 11 | 11 | 81 | 0 | 0 | 1 | 96 | 16 | C |
| SP | Saberhagen, B.Saberhagen, Bret COL | 35 | 1999 | R | 10 | 6 | 2.95 | .266 | .310 | 1.12 | 9.2 | 0.8 | 6.1 | 119 | 122 | 11 | 11 | 81 | 0 | 0 | 1 | 96 | 16 | C |
| RP | Saito, T.Saito, Takashi LA | 41 | 2011 | R | 4 | 2 | 2.03 | .254 | .320 | 1.15 | 7.3 | 3.1 | 8.0 | 26 | 21 | 2 | 9 | 23 | 0 | 0 | 2 | 23 | 21 | C |
| SP | Sale, C.Sale, Chris CWS | 30 | 2019 | L | 6 | 11 | 4.40 | .262 | .310 | 1.09 | 7.5 | 2.3 | 13.3 | 147 | 123 | 24 | 37 | 218 | 1 | 0 | 2 | 104 | 23 | C |
| RP | Sallee, S.Sallee, Slim STL | 36 | 1921 | L | 6 | 4 | 3.64 | .302 | .350 | 1.34 | 10.8 | 1.3 | 2.2 | 96 | 115 | 7 | 14 | 23 | 0 | 2 | 0 | 48 | 12 | C |
| SP | Samardzija, J.Samardzija, Jeff OAK | 35 | 2020 | R | 0 | 2 | 9.72 | .301 | .380 | 1.56 | 11.8 | 2.3 | 3.4 | 16 | 21 | 7 | 4 | 6 | 0 | 0 | 0 | 72 | 16 | C |
| RP | Sambito, J.Sambito, Joe HOU | 35 | 1987 | L | 2 | 6 | 6.93 | .339 | .400 | 1.68 | 11.2 | 3.9 | 8.5 | 37 | 46 | 8 | 16 | 35 | 0 | 0 | 3 | 23 | 18 | C |
| SP | Sanchez, A.Sanchez, Aaron TOR | 26 | 2019 | R | 5 | 14 | 5.89 | .346 | .390 | 1.63 | 10.0 | 4.7 | 7.9 | 131 | 145 | 20 | 68 | 115 | 0 | 0 | 7 | 86 | 18 | C |
| SU | Sanders, K.Sanders, Ken MIL | 35 | 1976 | R | 1 | 2 | 2.70 | .263 | .310 | 1.14 | 7.6 | 2.7 | 3.2 | 50 | 42 | 4 | 15 | 18 | 0 | 1 | 0 | 29 | 13 | C |
| SP | Sanders, B.Sanders, Ben PHI | 27 | 1892 | R | 12 | 19 | 3.22 | .296 | .340 | 1.28 | 9.4 | 2.1 | 2.6 | 268 | 281 | 6 | 62 | 77 | 30 | 0 | 5 | 140 | 12 | C |
| SU | Santana, E.Santana, Ervin KC | 38 | 2021 | R | 2 | 2 | 4.68 | .298 | .350 | 1.34 | 9.0 | 3.0 | 7.2 | 65 | 65 | 9 | 22 | 52 | 0 | 0 | 7 | 33 | 17 | C |
| SP | Santana, J.Santana, Johan MIN | 33 | 2012 | L | 6 | 9 | 4.85 | .302 | .350 | 1.33 | 9.0 | 3.0 | 8.5 | 117 | 117 | 17 | 39 | 111 | 2 | 0 | 1 | 99 | 18 | C |
| RP | Santana, E.Santana, Ervin ATL | 38 | 2021 | R | 2 | 2 | 4.68 | .298 | .350 | 1.34 | 9.0 | 3.0 | 7.2 | 65 | 65 | 9 | 22 | 52 | 0 | 0 | 7 | 33 | 17 | C |
| RP | Sasaki, K.Sasaki, Kazuhiro SEA | 35 | 2003 | R | 1 | 2 | 4.05 | .297 | .360 | 1.39 | 8.5 | 4.1 | 7.9 | 33 | 31 | 2 | 15 | 29 | 0 | 10 | 4 | 23 | 19 | C |
| SP | Schilling, C.Schilling, Curt AZ | 41 | 2007 | R | 9 | 8 | 3.87 | .289 | .330 | 1.25 | 9.8 | 1.4 | 6.0 | 151 | 165 | 21 | 23 | 101 | 1 | 0 | 0 | 111 | 16 | C |
| SP | Schilling, C.Schilling, Curt BOS | 41 | 2007 | R | 9 | 8 | 3.87 | .289 | .330 | 1.25 | 9.8 | 1.4 | 6.0 | 151 | 165 | 21 | 23 | 101 | 1 | 0 | 0 | 111 | 16 | C |
| RP | Schrenk, S.Schrenk, Steve PHI | 32 | 2000 | R | 2 | 3 | 7.33 | .325 | .390 | 1.65 | 9.8 | 5.1 | 7.4 | 23 | 25 | 3 | 13 | 19 | 0 | 0 | 0 | 24 | 19 | C |
| SP | Scott, M.Scott, Mike NYM | 36 | 1991 | R | 0 | 2 | 12.86 | .326 | .460 | 2.14 | 14.1 | 5.1 | 3.9 | 7 | 11 | 2 | 4 | 3 | 0 | 0 | 0 | 64 | 13 | C |
| RP | Scott, R.Scott, Robby BOS | 27 | 2017 | L | 2 | 1 | 3.79 | .233 | .290 | 1.00 | 5.7 | 3.3 | 8.0 | 35 | 22 | 7 | 13 | 31 | 0 | 0 | 3 | 23 | 20 | C |
| RP | Scott, M.Scott, Mickey CAL | 30 | 1977 | L | 0 | 2 | 5.63 | .284 | .360 | 1.44 | 10.7 | 2.3 | 2.8 | 16 | 19 | 1 | 4 | 5 | 0 | 0 | 0 | 27 | 15 | C |
| RP | Scurry, R.Scurry, Rod PIT | 30 | 1986 | L | 1 | 2 | 3.66 | .321 | .380 | 1.54 | 8.8 | 5.1 | 8.3 | 39 | 38 | 1 | 22 | 36 | 0 | 2 | 5 | 25 | 19 | C |
| RP | Searage, R.Searage, Ray MIL | 35 | 1990 | L | 1 | 0 | 2.78 | .274 | .330 | 1.25 | 8.4 | 2.8 | 5.3 | 32 | 30 | 1 | 10 | 19 | 0 | 0 | 5 | 23 | 16 | C |
| SP | Seaver, T.Seaver, Tom CWS | 42 | 1986 | R | 7 | 13 | 4.03 | .305 | .350 | 1.34 | 9.2 | 2.9 | 5.3 | 176 | 180 | 17 | 56 | 103 | 2 | 0 | 4 | 111 | 15 | C |
| SP | Seaver, T.Seaver, Tom CIN | 42 | 1986 | R | 7 | 13 | 4.03 | .305 | .350 | 1.34 | 9.2 | 2.9 | 5.3 | 176 | 180 | 17 | 56 | 103 | 2 | 0 | 4 | 111 | 15 | C |
| RP | Sewald, P.Sewald, Paul SEA | 35 | 2025 | R | 1 | 1 | 4.58 | .264 | .340 | 1.26 | 8.5 | 2.8 | 9.5 | 19 | 18 | 4 | 6 | 20 | 0 | 2 | 0 | 23 | 20 | C |
| RP | Shantz, B.Shantz, Bobby PIT | 39 | 1964 | L | 2 | 5 | 3.12 | .272 | .320 | 1.18 | 7.8 | 2.9 | 6.3 | 60 | 52 | 5 | 19 | 42 | 0 | 1 | 2 | 24 | 17 | C |
| RP | Shaw, J.Shaw, Jeff LA | 35 | 2001 | R | 3 | 5 | 3.62 | .259 | .310 | 1.09 | 7.7 | 2.2 | 7.1 | 74 | 63 | 10 | 18 | 58 | 0 | 43 | 0 | 23 | 17 | C |
| RP | Shaw, J.Shaw, Jim MIN | 28 | 1921 | R | 1 | 0 | 7.36 | .369 | .430 | 1.90 | 13.3 | 3.8 | 0.9 | 40 | 59 | 2 | 17 | 4 | 0 | 3 | 1 | 49 | 11 | C |
| RP | Shea, S.Shea, Spec NYY | 29 | 1949 | R | 1 | 1 | 5.33 | .354 | .410 | 1.75 | 8.3 | 7.4 | 3.8 | 52 | 48 | 5 | 43 | 22 | 0 | 1 | 1 | 48 | 14 | C |
| SP | Sheets, B.Sheets, Ben MIL | 32 | 2010 | R | 4 | 9 | 4.53 | .311 | .360 | 1.39 | 9.3 | 3.3 | 6.4 | 119 | 123 | 18 | 43 | 84 | 0 | 0 | 3 | 105 | 16 | C |
| RP | Sheffield, J.Sheffield, Jordan COL | 26 | 2021 | R | 0 | 0 | 3.38 | .248 | .310 | 1.10 | 5.9 | 4.0 | 6.2 | 29 | 19 | 2 | 13 | 20 | 0 | 0 | 4 | 23 | 16 | C |
| RP | Sherrill, G.Sherrill, George BAL | 34 | 2011 | L | 3 | 1 | 3.00 | .276 | .330 | 1.25 | 8.3 | 3.0 | 9.5 | 36 | 33 | 3 | 12 | 38 | 0 | 0 | 1 | 23 | 19 | C |
| SP | Shields, J.Shields, James TB | 37 | 2018 | R | 7 | 16 | 4.53 | .301 | .340 | 1.31 | 8.4 | 3.4 | 6.8 | 204 | 190 | 34 | 78 | 154 | 0 | 0 | 11 | 106 | 17 | C |
| SP | Shields, J.Shields, James KC | 37 | 2018 | R | 7 | 16 | 4.53 | .301 | .340 | 1.31 | 8.4 | 3.4 | 6.8 | 204 | 190 | 34 | 78 | 154 | 0 | 0 | 11 | 106 | 17 | C |
| RP | Shields, S.Shields, Scot CAL | 35 | 2010 | R | 0 | 3 | 5.28 | .348 | .400 | 1.72 | 8.8 | 6.7 | 7.6 | 46 | 45 | 6 | 34 | 39 | 0 | 0 | 7 | 23 | 17 | C |
| RP | Shore, E.Shore, Ernie BOS | 29 | 1920 | R | 2 | 2 | 4.87 | .366 | .420 | 1.86 | 12.5 | 4.3 | 2.5 | 44 | 61 | 1 | 21 | 12 | 2 | 1 | 1 | 57 | 13 | C |
| RP | Show, E.Show, Eric SD | 35 | 1991 | R | 1 | 2 | 5.92 | .326 | .380 | 1.55 | 10.9 | 3.0 | 3.5 | 51 | 62 | 5 | 17 | 20 | 0 | 0 | 2 | 42 | 14 | C |
| SP | Siebert, S.Siebert, Sonny CLE | 38 | 1975 | R | 7 | 6 | 3.90 | .337 | .380 | 1.59 | 10.0 | 4.2 | 5.6 | 87 | 97 | 6 | 41 | 54 | 0 | 0 | 7 | 68 | 16 | C |
| RP | Siebler, D.Siebler, Dwight MIN | 30 | 1967 | R | 0 | 0 | 3.00 | .208 | .400 | 1.67 | 12.0 | 3.0 | 0.0 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 30 | 7 | C |
| RP | Siegrist, K.Siegrist, Kevin STL | 27 | 2017 | L | 1 | 1 | 4.98 | .329 | .390 | 1.62 | 9.3 | 5.3 | 9.5 | 34 | 35 | 4 | 20 | 36 | 0 | 1 | 2 | 23 | 22 | C |
| SP | Siever, E.Siever, Ed DET | 33 | 1908 | L | 2 | 6 | 3.50 | .311 | .360 | 1.43 | 10.9 | 1.9 | 3.4 | 61 | 74 | 0 | 13 | 23 | 4 | 0 | 1 | 98 | 13 | C |
| SP | Simon, A.Simon, Alfredo CIN | 35 | 2016 | R | 2 | 7 | 9.36 | .395 | .450 | 2.07 | 13.8 | 4.8 | 6.1 | 58 | 89 | 15 | 31 | 39 | 0 | 0 | 3 | 70 | 16 | C |
| RP | Sipp, T.Sipp, Tony HOU | 35 | 2019 | L | 1 | 2 | 4.71 | .277 | .350 | 1.33 | 8.1 | 3.9 | 7.7 | 21 | 19 | 1 | 9 | 18 | 0 | 0 | 1 | 23 | 19 | C |
| RP | Smith, D.Smith, Dave HOU | 37 | 1992 | R | 0 | 0 | 2.51 | .268 | .350 | 1.36 | 9.6 | 2.6 | 1.9 | 14 | 15 | 0 | 4 | 3 | 0 | 0 | 0 | 26 | 13 | C |
| RP | Smith, J.Smith, Joe TOR | 38 | 2022 | R | 1 | 1 | 4.61 | .316 | .380 | 1.56 | 11.0 | 3.0 | 5.7 | 27 | 33 | 7 | 9 | 17 | 0 | 0 | 0 | 23 | 15 | C |
| RP | Smith, L.Smith, Lee STL | 40 | 1997 | R | 0 | 1 | 5.82 | .330 | .400 | 1.71 | 12.0 | 3.4 | 6.4 | 21 | 28 | 2 | 8 | 15 | 0 | 5 | 0 | 23 | 17 | C |
| RP | Smith, L.Smith, Lee BAL | 40 | 1997 | R | 0 | 1 | 5.82 | .330 | .400 | 1.71 | 12.0 | 3.4 | 6.4 | 21 | 28 | 2 | 8 | 15 | 0 | 5 | 0 | 23 | 17 | C |
| RP | Soria, J.Soria, Joakim OAK | 37 | 2021 | R | 1 | 4 | 5.06 | .297 | .350 | 1.38 | 9.5 | 2.9 | 9.7 | 37 | 39 | 6 | 12 | 40 | 0 | 6 | 2 | 23 | 20 | C |
| RP | Soriano, R.Soriano, Rafael WAS | 35 | 2014 | R | 4 | 1 | 3.19 | .263 | .310 | 1.13 | 7.4 | 2.8 | 8.6 | 62 | 51 | 4 | 19 | 59 | 0 | 32 | 2 | 23 | 19 | C |
| SU | Soriano, R.Soriano, Rafael SEA | 35 | 2014 | R | 4 | 1 | 3.19 | .263 | .310 | 1.13 | 7.4 | 2.8 | 8.6 | 62 | 51 | 4 | 19 | 59 | 0 | 32 | 2 | 23 | 19 | C |
| RP | Soriano, R.Soriano, Rafael TB | 35 | 2014 | R | 4 | 1 | 3.19 | .263 | .310 | 1.13 | 7.4 | 2.8 | 8.6 | 62 | 51 | 4 | 19 | 59 | 0 | 32 | 2 | 23 | 19 | C |
| RP | Soriano, R.Soriano, Rafael ATL | 35 | 2014 | R | 4 | 1 | 3.19 | .263 | .310 | 1.13 | 7.4 | 2.8 | 8.6 | 62 | 51 | 4 | 19 | 59 | 0 | 32 | 2 | 23 | 19 | C |
| SP | Sothoron, A.Sothoron, Allen BAL | 29 | 1922 | R | 1 | 3 | 6.39 | .320 | .390 | 1.60 | 9.4 | 5.0 | 2.9 | 25 | 26 | 1 | 14 | 8 | 2 | 0 | 0 | 75 | 14 | C |
| SP | Sparks, T.Sparks, Tully PHI | 36 | 1910 | R | 0 | 2 | 6.00 | .304 | .390 | 1.60 | 13.2 | 1.2 | 2.4 | 15 | 22 | 2 | 2 | 4 | 0 | 0 | 0 | 89 | 14 | C |
| RP | Speier, J.Speier, Justin COL | 37 | 2009 | R | 4 | 2 | 5.18 | .330 | .390 | 1.60 | 10.1 | 4.3 | 8.1 | 40 | 45 | 7 | 19 | 36 | 0 | 0 | 2 | 21 | 18 | C |
| RP | Speier, J.Speier, Justin TOR | 36 | 2009 | R | 4 | 2 | 5.18 | .312 | .370 | 1.48 | 9.9 | 3.4 | 8.8 | 40 | 44 | 7 | 15 | 39 | 0 | 0 | 2 | 23 | 19 | C |
| RP | Splittorff, P.Splittorff, Paul KC | 38 | 1984 | L | 1 | 3 | 7.71 | .377 | .440 | 2.04 | 15.1 | 3.2 | 1.3 | 28 | 47 | 3 | 10 | 4 | 0 | 0 | 0 | 44 | 11 | C |
| RP | Spooneybarger, T.Spooneybarger, Tim FL | 24 | 2003 | R | 1 | 2 | 4.07 | .218 | .270 | 0.90 | 5.8 | 2.4 | 6.9 | 42 | 27 | 1 | 11 | 32 | 0 | 0 | 5 | 26 | 18 | C |
| RP | Springer, R.Springer, Russ STL | 42 | 2010 | R | 0 | 0 | 5.40 | .133 | .440 | 2.00 | 18.0 | 0.0 | 9.0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 23 | 11 | C |
| RP | Springer, R.Springer, Russ ATL | 33 | 2001 | R | 0 | 0 | 7.13 | .282 | .360 | 1.41 | 10.6 | 2.1 | 6.4 | 17 | 20 | 5 | 4 | 12 | 0 | 1 | 2 | 23 | 22 | C |
| RP | Steele, E.Steele, Elmer BOS | 25 | 1911 | R | 9 | 9 | 2.67 | .270 | .310 | 1.13 | 8.4 | 1.7 | 2.9 | 189 | 177 | 5 | 36 | 61 | 7 | 2 | 1 | 93 | 12 | C |
| SP | Stieb, D.Stieb, Dave TOR | 36 | 1993 | R | 1 | 3 | 6.04 | .350 | .420 | 1.86 | 11.0 | 5.7 | 4.5 | 22 | 27 | 1 | 14 | 11 | 0 | 0 | 0 | 98 | 15 | C |
| RP | Stoddard, T.Stoddard, Tim BAL | 36 | 1989 | R | 0 | 0 | 2.95 | .305 | .380 | 1.52 | 10.7 | 3.0 | 5.1 | 21 | 25 | 1 | 7 | 12 | 0 | 0 | 0 | 30 | 16 | C |
| RP | Storen, D.Storen, Drew WAS | 29 | 2017 | R | 4 | 2 | 4.45 | .317 | .370 | 1.48 | 9.5 | 3.8 | 8.0 | 54 | 57 | 7 | 23 | 48 | 0 | 1 | 1 | 23 | 18 | C |
| SP | Strasburg, S.Strasburg, Stephen WAS | 30 | 2019 | R | 18 | 6 | 3.32 | .254 | .300 | 1.04 | 6.9 | 2.4 | 10.8 | 209 | 161 | 24 | 56 | 251 | 0 | 0 | 8 | 112 | 20 | C |
| RP | Street, H.Street, Huston OAK | 33 | 2016 | R | 3 | 2 | 6.45 | .361 | .430 | 1.95 | 12.7 | 4.9 | 5.7 | 22 | 31 | 5 | 12 | 14 | 0 | 9 | 0 | 23 | 17 | C |
| RP | Street, H.Street, Huston COL | 33 | 2016 | R | 3 | 2 | 6.45 | .361 | .430 | 1.95 | 12.7 | 4.9 | 5.7 | 22 | 31 | 5 | 12 | 14 | 0 | 9 | 0 | 23 | 17 | C |
| RP | Strickland, H.Strickland, Hunter SF | 33 | 2022 | R | 3 | 3 | 4.91 | .324 | .370 | 1.52 | 8.9 | 4.8 | 8.7 | 62 | 61 | 8 | 33 | 60 | 0 | 7 | 1 | 23 | 20 | C |
| RP | Strom, B.Strom, Brent SD | 29 | 1977 | L | 0 | 2 | 12.42 | .376 | .460 | 2.19 | 12.9 | 6.8 | 4.5 | 16 | 23 | 5 | 12 | 8 | 0 | 0 | 0 | 38 | 18 | C |
| RP | Strop, P.Strop, Pedro CHC | 34 | 2019 | R | 2 | 5 | 4.97 | .285 | .340 | 1.29 | 7.2 | 4.4 | 10.8 | 41 | 33 | 6 | 20 | 49 | 0 | 10 | 4 | 23 | 22 | C |
| SP | Summers, E.Summers, Ed DET | 28 | 1912 | R | 1 | 1 | 4.86 | .247 | .320 | 1.19 | 9.0 | 1.7 | 2.8 | 16 | 16 | 1 | 3 | 5 | 1 | 0 | 0 | 95 | 15 | C |
| RP | Sutter, B.Sutter, Bruce STL | 35 | 1988 | R | 1 | 4 | 4.76 | .293 | .350 | 1.33 | 9.8 | 2.2 | 8.0 | 45 | 49 | 4 | 11 | 40 | 0 | 14 | 0 | 24 | 18 | C |
| SP | Sutton, D.Sutton, Don HOU | 43 | 1988 | R | 3 | 6 | 3.92 | .309 | .360 | 1.39 | 9.4 | 3.1 | 4.6 | 87 | 91 | 7 | 30 | 44 | 0 | 0 | 2 | 96 | 14 | C |
| SP | Sutton, D.Sutton, Don CAL | 43 | 1988 | R | 3 | 6 | 3.92 | .309 | .360 | 1.39 | 9.4 | 3.1 | 4.6 | 87 | 91 | 7 | 30 | 44 | 0 | 0 | 2 | 96 | 14 | C |
| SP | Sutton, D.Sutton, Don MIL | 43 | 1988 | R | 3 | 6 | 3.92 | .309 | .360 | 1.39 | 9.4 | 3.1 | 4.6 | 87 | 91 | 7 | 30 | 44 | 0 | 0 | 2 | 96 | 14 | C |
| SP | Swift, B.Swift, Bill SEA | 37 | 1998 | R | 11 | 9 | 5.85 | .346 | .390 | 1.63 | 11.4 | 3.2 | 4.8 | 144 | 183 | 21 | 51 | 77 | 0 | 0 | 1 | 88 | 14 | C |
| RP | Swindell, G.Swindell, Greg AZ | 37 | 2002 | L | 0 | 2 | 6.27 | .283 | .340 | 1.30 | 10.4 | 1.4 | 6.3 | 33 | 38 | 9 | 5 | 23 | 0 | 0 | 0 | 23 | 17 | C |
| SP | Swormstedt, L.Swormstedt, Len CIN | 24 | 1902 | R | 0 | 2 | 4.00 | .297 | .370 | 1.50 | 11.0 | 2.5 | 1.5 | 18 | 22 | 1 | 5 | 3 | 2 | 0 | 0 | 140 | 11 | C |
| SP | Syndergaard, N.Syndergaard, Noah NYM | 31 | 2023 | R | 2 | 6 | 6.50 | .310 | .360 | 1.40 | 10.6 | 1.9 | 5.7 | 88 | 104 | 22 | 19 | 56 | 0 | 0 | 0 | 87 | 16 | C |
| RP | Takahashi, H.Takahashi, Hisanori CAL | 37 | 2012 | L | 0 | 3 | 4.93 | .265 | .320 | 1.17 | 8.4 | 2.1 | 8.8 | 42 | 39 | 6 | 10 | 41 | 0 | 0 | 0 | 23 | 20 | C |
| SP | Tanaka, M.Tanaka, Masahiro NYY | 31 | 2020 | R | 3 | 3 | 3.56 | .267 | .320 | 1.17 | 9.0 | 1.5 | 8.3 | 48 | 48 | 9 | 8 | 44 | 0 | 0 | 0 | 86 | 18 | C |
| SP | Tannehill, J.Tannehill, Jesse BOS | 35 | 1909 | L | 1 | 1 | 3.43 | .247 | .310 | 1.14 | 8.1 | 2.1 | 3.4 | 21 | 19 | 1 | 5 | 8 | 2 | 0 | 2 | 123 | 14 | C |
| SP | Taylor, J.Taylor, Jack CHC | 33 | 1907 | R | 7 | 5 | 3.29 | .297 | .340 | 1.30 | 9.3 | 2.4 | 1.6 | 123 | 127 | 3 | 33 | 22 | 8 | 0 | 2 | 120 | 11 | C |
| CL | Taylor, J.Taylor, Josh BOS | 28 | 2021 | L | 1 | 0 | 3.40 | .311 | .360 | 1.45 | 8.6 | 4.4 | 11.5 | 47 | 45 | 2 | 23 | 60 | 0 | 1 | 2 | 23 | 22 | C |
| SP | Teheran, J.Teheran, Julio MIL | 32 | 2023 | R | 3 | 5 | 4.40 | .266 | .310 | 1.14 | 8.6 | 1.6 | 6.3 | 71 | 68 | 13 | 13 | 50 | 0 | 0 | 1 | 90 | 17 | C |
| RP | Tekulve, K.Tekulve, Kent PIT | 42 | 1989 | R | 0 | 3 | 5.02 | .322 | .380 | 1.52 | 9.7 | 4.0 | 5.4 | 52 | 56 | 5 | 23 | 31 | 0 | 1 | 1 | 28 | 16 | C |
| RP | Telemaco, A.Telemaco, Amaury AZ | 31 | 2005 | R | 0 | 1 | 4.22 | .184 | .270 | 0.90 | 4.5 | 3.6 | 7.2 | 10 | 5 | 2 | 4 | 8 | 0 | 0 | 0 | 28 | 18 | C |
| RP | Tepera, R.Tepera, Ryan TOR | 35 | 2023 | R | 2 | 2 | 7.27 | .346 | .470 | 2.25 | 16.9 | 3.4 | 11.3 | 8 | 15 | 2 | 3 | 10 | 0 | 0 | 0 | 23 | 20 | C |
| RP | Thigpen, B.Thigpen, Bobby CWS | 31 | 1994 | R | 0 | 2 | 9.39 | .354 | .490 | 2.43 | 15.4 | 6.4 | 5.1 | 7 | 12 | 3 | 5 | 4 | 0 | 0 | 0 | 23 | 14 | C |
| SP | Thompson, Z.Thompson, Zack STL | 26 | 2024 | L | 0 | 2 | 9.53 | .344 | .420 | 1.88 | 12.7 | 4.2 | 10.6 | 17 | 24 | 6 | 8 | 20 | 0 | 0 | 0 | 62 | 30 | C |
| RP | Thornton, M.Thornton, Matt WAS | 40 | 2016 | L | 1 | 0 | 5.82 | .315 | .390 | 1.65 | 11.6 | 3.2 | 4.8 | 17 | 22 | 2 | 6 | 9 | 0 | 0 | 0 | 23 | 19 | C |
| RP | Thornton, M.Thornton, Matt CWS | 40 | 2016 | L | 1 | 0 | 5.82 | .315 | .390 | 1.65 | 11.6 | 3.2 | 4.8 | 17 | 22 | 2 | 6 | 9 | 0 | 0 | 0 | 23 | 19 | C |
| SP | Tiant, L.Tiant, Luis BOS | 42 | 1982 | R | 2 | 2 | 5.76 | .326 | .390 | 1.62 | 12.1 | 2.5 | 9.3 | 29 | 39 | 3 | 8 | 30 | 0 | 0 | 0 | 86 | 20 | C |
| SP | Tiant, L.Tiant, Luis MIN | 42 | 1982 | R | 2 | 2 | 5.76 | .326 | .390 | 1.62 | 12.1 | 2.5 | 9.3 | 29 | 39 | 3 | 8 | 30 | 0 | 0 | 0 | 86 | 20 | C |
| RP | Timlin, M.Timlin, Mike BAL | 42 | 2008 | R | 4 | 4 | 5.66 | .338 | .390 | 1.63 | 11.0 | 3.7 | 5.9 | 49 | 60 | 9 | 20 | 32 | 0 | 1 | 1 | 23 | 16 | C |
| SP | Tobin, J.Tobin, Jim ATL | 33 | 1945 | R | 13 | 19 | 3.78 | .320 | .360 | 1.43 | 9.9 | 3.0 | 1.8 | 255 | 281 | 12 | 84 | 52 | 18 | 1 | 5 | 110 | 11 | C |
| SP | Toney, F.Toney, Fred CIN | 35 | 1923 | R | 11 | 12 | 3.84 | .313 | .360 | 1.39 | 9.7 | 2.8 | 2.2 | 196 | 211 | 8 | 61 | 48 | 16 | 0 | 4 | 119 | 12 | C |
| SP | Trachsel, S.Trachsel, Steve TB | 38 | 2008 | R | 2 | 5 | 8.39 | .386 | .450 | 2.05 | 12.2 | 6.2 | 3.7 | 39 | 53 | 10 | 27 | 16 | 0 | 0 | 2 | 70 | 14 | C |
| RP | Trucks, V.Trucks, Virgil CWS | 41 | 1958 | R | 2 | 2 | 3.65 | .334 | .390 | 1.59 | 8.6 | 5.8 | 6.0 | 61 | 58 | 3 | 39 | 41 | 0 | 4 | 2 | 29 | 16 | C |
| SP | Tudor, J.Tudor, John STL | 36 | 1990 | L | 12 | 4 | 2.40 | .251 | .290 | 1.03 | 7.4 | 1.8 | 3.9 | 146 | 120 | 10 | 30 | 63 | 1 | 0 | 0 | 103 | 13 | C |
| SP | Turley, B.Turley, Bob NYY | 33 | 1963 | R | 3 | 11 | 4.20 | .328 | .370 | 1.50 | 7.9 | 5.6 | 7.4 | 128 | 113 | 11 | 79 | 105 | 3 | 0 | 3 | 77 | 17 | C |
| RP | Turnbow, D.Turnbow, Derrick MIL | 30 | 2008 | R | 0 | 1 | 15.63 | .472 | .620 | 4.17 | 18.0 | 19.5 | 7.5 | 6 | 12 | 1 | 13 | 5 | 0 | 1 | 0 | 23 | 15 | C |
| RP | Turner, M.Turner, Matt FL | 27 | 1994 | R | 1 | 0 | 2.13 | .303 | .400 | 1.67 | 9.8 | 5.3 | 3.8 | 12 | 13 | 0 | 7 | 5 | 0 | 1 | 0 | 27 | 15 | C |
| RP | Uehara, K.Uehara, Koji BAL | 42 | 2017 | R | 3 | 4 | 3.98 | .265 | .320 | 1.16 | 8.0 | 2.5 | 10.5 | 43 | 38 | 7 | 12 | 50 | 0 | 2 | 0 | 23 | 22 | C |
| RP | Uehara, K.Uehara, Koji TEX | 42 | 2017 | R | 3 | 4 | 3.98 | .265 | .320 | 1.16 | 8.0 | 2.5 | 10.5 | 43 | 38 | 7 | 12 | 50 | 0 | 2 | 0 | 23 | 22 | C |
| RP | Uehara, K.Uehara, Koji BOS | 42 | 2017 | R | 3 | 4 | 3.98 | .265 | .320 | 1.16 | 8.0 | 2.5 | 10.5 | 43 | 38 | 7 | 12 | 50 | 0 | 2 | 0 | 23 | 22 | C |
| RP | Urbina, U.Urbina, Ugueth WAS | 31 | 2005 | R | 5 | 6 | 3.62 | .278 | .330 | 1.20 | 6.4 | 4.4 | 11.1 | 79 | 56 | 12 | 39 | 97 | 0 | 10 | 1 | 23 | 22 | C |
| RP | Valdes, R.Valdes, Raul PHI | 35 | 2013 | L | 1 | 1 | 7.46 | .303 | .360 | 1.43 | 10.8 | 2.1 | 9.5 | 35 | 42 | 7 | 8 | 37 | 0 | 0 | 1 | 39 | 22 | C |
| SP | Valenzuela, F.Valenzuela, Fernando PHI | 37 | 1997 | L | 2 | 12 | 4.96 | .354 | .400 | 1.71 | 10.7 | 4.7 | 6.2 | 89 | 106 | 12 | 46 | 61 | 1 | 0 | 4 | 88 | 16 | C |
| RP | Valverde, J.Valverde, Jose AZ | 35 | 2014 | R | 1 | 1 | 5.66 | .327 | .400 | 1.70 | 10.8 | 4.5 | 10.4 | 20 | 24 | 4 | 10 | 23 | 0 | 2 | 1 | 23 | 21 | C |
| RP | Valverde, J.Valverde, Jose HOU | 35 | 2014 | R | 1 | 1 | 5.66 | .327 | .400 | 1.70 | 10.8 | 4.5 | 10.4 | 20 | 24 | 4 | 10 | 23 | 0 | 2 | 1 | 23 | 21 | C |
| RP | Valverde, J.Valverde, Jose DET | 35 | 2014 | R | 1 | 1 | 5.66 | .327 | .400 | 1.70 | 10.8 | 4.5 | 10.4 | 20 | 24 | 4 | 10 | 23 | 0 | 2 | 1 | 23 | 21 | C |
| SP | Vaughn, H.Vaughn, Hippo CHC | 34 | 1921 | L | 3 | 11 | 6.01 | .357 | .400 | 1.72 | 12.8 | 2.6 | 2.2 | 109 | 155 | 8 | 32 | 27 | 7 | 0 | 1 | 111 | 11 | C |
| SP | Vazquez, J.Vazquez, Javier AZ | 35 | 2011 | R | 13 | 11 | 3.69 | .280 | .320 | 1.19 | 8.3 | 2.3 | 7.6 | 192 | 178 | 21 | 50 | 162 | 2 | 0 | 5 | 106 | 17 | C |
| RP | Vazquez Rivero, F.Vazquez Rivero, Felipe WAS | 27 | 2019 | L | 5 | 1 | 1.65 | .228 | .280 | 0.93 | 6.5 | 2.0 | 13.5 | 60 | 43 | 5 | 13 | 90 | 0 | 28 | 3 | 23 | 25 | C |
| RP | Veres, D.Veres, Dave COL | 37 | 2003 | R | 2 | 1 | 4.68 | .279 | .340 | 1.28 | 10.1 | 1.4 | 7.3 | 32 | 36 | 4 | 5 | 26 | 0 | 1 | 3 | 23 | 18 | C |
| RP | Villarreal, O.Villarreal, Oscar AZ | 27 | 2008 | R | 1 | 3 | 5.02 | .328 | .390 | 1.59 | 10.2 | 4.1 | 5.1 | 37 | 42 | 12 | 17 | 21 | 0 | 0 | 2 | 23 | 15 | C |
| RP | Vincent, N.Vincent, Nick SD | 34 | 2021 | R | 1 | 0 | 0.71 | .193 | .270 | 0.92 | 4.5 | 3.8 | 6.8 | 12 | 6 | 1 | 5 | 9 | 0 | 0 | 0 | 33 | 19 | C |
| SP | Vinton, B.Vinton, Bill PHI | 20 | 1885 | R | 7 | 9 | 2.80 | .300 | .340 | 1.32 | 9.3 | 2.6 | 3.8 | 132 | 136 | 1 | 38 | 55 | 14 | 0 | 5 | 140 | 13 | C |
| SP | Waddell, R.Waddell, Rube BAL | 34 | 1910 | L | 3 | 1 | 3.55 | .278 | .340 | 1.27 | 8.5 | 3.0 | 4.4 | 33 | 31 | 1 | 11 | 16 | 0 | 1 | 0 | 60 | 15 | C |
| SP | Waddell, R.Waddell, Rube OAK | 34 | 1910 | L | 3 | 1 | 3.55 | .278 | .340 | 1.27 | 8.5 | 3.0 | 4.4 | 33 | 31 | 1 | 11 | 16 | 0 | 1 | 0 | 60 | 15 | C |
| SP | Waddell, R.Waddell, Rube PIT | 34 | 1910 | L | 3 | 1 | 3.55 | .278 | .340 | 1.27 | 8.5 | 3.0 | 4.4 | 33 | 31 | 1 | 11 | 16 | 0 | 1 | 0 | 60 | 15 | C |
| RP | Wagner, B.Wagner, Billy HOU | 39 | 2010 | L | 7 | 2 | 1.43 | .217 | .260 | 0.87 | 5.0 | 2.9 | 13.6 | 69 | 38 | 5 | 22 | 104 | 0 | 37 | 2 | 23 | 24 | C |
| RP | Wagner, B.Wagner, Billy PHI | 39 | 2010 | L | 7 | 2 | 1.43 | .217 | .260 | 0.87 | 5.0 | 2.9 | 13.6 | 69 | 38 | 5 | 22 | 104 | 0 | 37 | 2 | 23 | 24 | C |
| RP | Wagner, B.Wagner, Billy NYM | 39 | 2010 | L | 7 | 2 | 1.43 | .217 | .260 | 0.87 | 5.0 | 2.9 | 13.6 | 69 | 38 | 5 | 22 | 104 | 0 | 37 | 2 | 23 | 24 | C |
| RP | Walden, J.Walden, Jordan CAL | 27 | 2015 | R | 0 | 1 | 0.87 | .216 | .310 | 1.10 | 6.3 | 3.6 | 10.8 | 10 | 7 | 0 | 4 | 12 | 0 | 1 | 2 | 23 | 22 | C |
| SP | Walsh, E.Walsh, Ed CWS | 36 | 1917 | R | 0 | 1 | 3.50 | .326 | .400 | 1.72 | 11.0 | 4.5 | 2.0 | 18 | 22 | 0 | 9 | 4 | 1 | 0 | 1 | 80 | 12 | C |
| CL | Ward, D.Ward, Duane TOR | 29 | 1993 | R | 2 | 3 | 2.13 | .249 | .300 | 1.04 | 6.2 | 3.2 | 12.3 | 71 | 49 | 4 | 25 | 97 | 0 | 45 | 7 | 23 | 23 | C |
| RP | Watson, T.Watson, Tony PIT | 36 | 2021 | L | 7 | 4 | 3.92 | .243 | .290 | 1.02 | 6.3 | 2.8 | 6.9 | 57 | 40 | 4 | 18 | 44 | 0 | 0 | 0 | 23 | 17 | C |
| RP | Wayne, G.Wayne, Gary MIN | 32 | 1994 | L | 1 | 3 | 4.67 | .291 | .370 | 1.47 | 10.1 | 3.2 | 5.3 | 17 | 19 | 2 | 6 | 10 | 0 | 0 | 1 | 23 | 20 | C |
| RP | Weathers, D.Weathers, Dave HOU | 40 | 2009 | R | 4 | 6 | 3.92 | .292 | .340 | 1.31 | 7.7 | 4.1 | 5.4 | 62 | 53 | 10 | 28 | 37 | 0 | 1 | 1 | 23 | 16 | C |
| SP | Weaver, J.Weaver, Jered CAL | 35 | 2017 | R | 0 | 5 | 7.44 | .317 | .370 | 1.50 | 10.9 | 2.6 | 4.9 | 42 | 51 | 16 | 12 | 23 | 0 | 0 | 0 | 83 | 15 | C |
| SP | Webb, B.Webb, Brandon AZ | 30 | 2009 | R | 0 | 0 | 13.50 | .267 | .440 | 2.00 | 13.5 | 4.5 | 4.5 | 4 | 6 | 2 | 2 | 2 | 0 | 0 | 0 | 72 | 12 | C |
| RP | Weimer, J.Weimer, Jake CHC | 36 | 1909 | L | 0 | 0 | 9.00 | .269 | .480 | 2.33 | 21.0 | 0.0 | 3.0 | 3 | 7 | 0 | 0 | 1 | 0 | 0 | 0 | 55 | 11 | C |
| SP | Welch, B.Welch, Bob LA | 38 | 1994 | R | 3 | 6 | 7.08 | .363 | .410 | 1.79 | 10.5 | 5.7 | 5.8 | 68 | 79 | 10 | 43 | 44 | 0 | 0 | 3 | 75 | 16 | C |
| RP | Wendelken, J.Wendelken, J.B. OAK | 29 | 2022 | R | 2 | 1 | 5.28 | .287 | .350 | 1.34 | 7.8 | 4.3 | 6.5 | 29 | 25 | 4 | 14 | 21 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Wetteland, J.Wetteland, John WAS | 35 | 2000 | R | 6 | 5 | 4.20 | .340 | .390 | 1.63 | 10.5 | 4.2 | 7.4 | 60 | 70 | 10 | 28 | 49 | 0 | 34 | 0 | 22 | 17 | C |
| RP | Wetteland, J.Wetteland, John TEX | 34 | 2000 | R | 6 | 5 | 4.20 | .324 | .370 | 1.52 | 10.1 | 3.6 | 8.0 | 60 | 67 | 10 | 24 | 53 | 0 | 34 | 0 | 23 | 18 | C |
| RP | Wheeler, D.Wheeler, Dan HOU | 34 | 2011 | R | 2 | 2 | 4.38 | .259 | .310 | 1.12 | 8.6 | 1.5 | 7.2 | 49 | 47 | 7 | 8 | 39 | 0 | 0 | 0 | 23 | 17 | C |
| SP | White, D.White, Doc PHI | 34 | 1913 | L | 2 | 4 | 3.50 | .313 | .360 | 1.41 | 9.3 | 3.4 | 3.4 | 103 | 106 | 2 | 39 | 39 | 2 | 0 | 1 | 96 | 13 | C |
| SP | White, W.White, Will CIN | 32 | 1886 | R | 1 | 2 | 4.15 | .302 | .370 | 1.46 | 9.7 | 3.5 | 2.1 | 26 | 28 | 1 | 10 | 6 | 3 | 0 | 2 | 140 | 13 | C |
| SP | White, D.White, Doc CWS | 34 | 1913 | L | 2 | 4 | 3.50 | .313 | .360 | 1.41 | 9.3 | 3.4 | 3.4 | 103 | 106 | 2 | 39 | 39 | 2 | 0 | 1 | 96 | 13 | C |
| RP | White, G.White, Gabe COL | 34 | 2005 | L | 0 | 0 | 2.16 | .306 | .420 | 1.88 | 15.8 | 1.1 | 1.1 | 8 | 14 | 1 | 1 | 1 | 0 | 0 | 0 | 27 | 11 | C |
| RP | Wilhelm, H.Wilhelm, Hoyt CWS | 50 | 1972 | R | 0 | 1 | 4.62 | .292 | .360 | 1.40 | 7.2 | 5.4 | 3.2 | 25 | 20 | 0 | 15 | 9 | 0 | 1 | 4 | 31 | 14 | C |
| SP | Willis, D.Willis, Dontrelle FL | 30 | 2011 | L | 1 | 6 | 5.00 | .329 | .380 | 1.53 | 9.4 | 4.4 | 6.8 | 75 | 78 | 6 | 37 | 57 | 0 | 0 | 8 | 102 | 17 | C |
| RP | Wilson, J.Wilson, Justin PIT | 34 | 2021 | L | 1 | 1 | 5.29 | .329 | .390 | 1.62 | 9.8 | 4.8 | 6.6 | 34 | 37 | 6 | 18 | 25 | 0 | 0 | 2 | 20 | 18 | C |
| RP | Wilson, A.Wilson, Alex DET | 32 | 2019 | R | 1 | 1 | 9.53 | .358 | .460 | 2.18 | 12.3 | 7.4 | 10.6 | 11 | 15 | 3 | 9 | 13 | 0 | 1 | 2 | 23 | 23 | C |
| RP | Withrow, C.Withrow, Chris LA | 27 | 2016 | R | 3 | 0 | 3.58 | .275 | .330 | 1.24 | 7.1 | 4.1 | 6.8 | 37 | 29 | 5 | 17 | 28 | 0 | 0 | 1 | 23 | 17 | C |
| RP | Wohlers, M.Wohlers, Mark ATL | 32 | 2002 | R | 3 | 4 | 4.79 | .303 | .350 | 1.37 | 9.0 | 3.3 | 5.8 | 71 | 71 | 6 | 26 | 46 | 0 | 7 | 7 | 23 | 16 | C |
| RP | Wolfe, B.Wolfe, Brian TOR | 29 | 2009 | R | 2 | 2 | 8.22 | .368 | .450 | 2.13 | 15.0 | 4.2 | 6.6 | 15 | 25 | 5 | 7 | 11 | 0 | 0 | 1 | 23 | 21 | C |
| SP | Wood, W.Wood, Wilbur PIT | 37 | 1978 | L | 10 | 10 | 5.20 | .337 | .380 | 1.55 | 10.0 | 4.0 | 3.7 | 168 | 187 | 23 | 74 | 69 | 4 | 0 | 9 | 106 | 13 | C |
| RP | Wood, T.Wood, Travis CHC | 30 | 2017 | L | 4 | 7 | 6.80 | .358 | .410 | 1.73 | 11.3 | 4.3 | 6.2 | 94 | 118 | 19 | 45 | 65 | 0 | 0 | 1 | 45 | 16 | C |
| RP | Wood, K.Wood, Kerry CLE | 34 | 2011 | R | 3 | 5 | 3.35 | .288 | .340 | 1.29 | 7.9 | 3.7 | 10.1 | 51 | 45 | 5 | 21 | 57 | 0 | 1 | 5 | 23 | 21 | C |
| RP | Wood, K.Wood, Kerry CHC | 34 | 2011 | R | 3 | 5 | 3.35 | .288 | .340 | 1.29 | 7.9 | 3.7 | 10.1 | 51 | 45 | 5 | 21 | 57 | 0 | 1 | 5 | 23 | 21 | C |
| SP | Wood, J.Wood, Joe BOS | 26 | 1915 | R | 15 | 5 | 1.49 | .254 | .300 | 1.04 | 6.9 | 2.5 | 3.6 | 157 | 120 | 1 | 44 | 63 | 10 | 2 | 3 | 111 | 13 | C |
| SP | Wood, W.Wood, Wilbur CWS | 37 | 1978 | L | 10 | 10 | 5.20 | .337 | .380 | 1.55 | 10.0 | 4.0 | 3.7 | 168 | 187 | 23 | 74 | 69 | 4 | 0 | 9 | 106 | 13 | C |
| RP | Worrell, T.Worrell, Todd LA | 38 | 1997 | R | 2 | 6 | 5.28 | .307 | .360 | 1.41 | 9.2 | 3.5 | 9.3 | 59 | 60 | 12 | 23 | 61 | 0 | 35 | 1 | 23 | 20 | C |
| RP | Wuertz, M.Wuertz, Michael OAK | 33 | 2011 | R | 0 | 0 | 6.68 | .366 | .430 | 1.91 | 10.1 | 7.1 | 8.7 | 33 | 37 | 5 | 26 | 32 | 0 | 0 | 0 | 23 | 20 | C |
| SP | Young, C.Young, Cy STL | 44 | 1911 | R | 7 | 9 | 3.78 | .298 | .340 | 1.31 | 9.8 | 2.0 | 3.9 | 126 | 137 | 6 | 28 | 55 | 12 | 0 | 6 | 123 | 13 | C |
| RP | Young, C.Young, Chris SD | 38 | 2017 | R | 0 | 0 | 7.50 | .379 | .440 | 2.03 | 14.1 | 4.2 | 6.6 | 30 | 47 | 7 | 14 | 22 | 0 | 0 | 1 | 40 | 17 | C |
| SP | Young, C.Young, Cy BOS | 44 | 1911 | R | 7 | 9 | 3.78 | .298 | .340 | 1.31 | 9.8 | 2.0 | 3.9 | 126 | 137 | 6 | 28 | 55 | 12 | 0 | 6 | 123 | 13 | C |
| RP | Young, C.Young, Chris KC | 38 | 2017 | R | 0 | 0 | 7.50 | .379 | .440 | 2.03 | 14.1 | 4.2 | 6.6 | 30 | 47 | 7 | 14 | 22 | 0 | 0 | 1 | 40 | 17 | C |
| RP | Zachary, T.Zachary, Tom MIN | 40 | 1936 | L | 0 | 3 | 7.97 | .358 | .430 | 1.95 | 12.6 | 5.0 | 3.6 | 20 | 28 | 2 | 11 | 8 | 0 | 1 | 0 | 53 | 14 | C |
| RP | Ziegler, B.Ziegler, Brad AZ | 39 | 2018 | R | 2 | 6 | 3.91 | .295 | .340 | 1.32 | 8.8 | 3.1 | 6.2 | 73 | 71 | 8 | 25 | 50 | 0 | 10 | 1 | 23 | 16 | C |
| RP | Zimmerman, J.Zimmerman, Jeff TEX | 29 | 2001 | R | 4 | 4 | 2.40 | .223 | .270 | 0.90 | 6.1 | 2.0 | 9.1 | 71 | 48 | 10 | 16 | 72 | 0 | 28 | 0 | 23 | 20 | C |
| RP | Zumaya, J.Zumaya, Joel DET | 26 | 2010 | R | 2 | 1 | 2.58 | .257 | .310 | 1.13 | 7.6 | 2.6 | 8.1 | 38 | 32 | 1 | 11 | 34 | 0 | 1 | 2 | 25 | 18 | C |