| SP | Sale, C.Sale, Chris $$ >> | 29 | 2018 | L | 98 | 22 | 22 | 12 | 7 | 4.04 | .278 | 1.14 | 7.8 | 2.5 | 10.5 | 124.2 | 108 | 56 | 56 | 16 | 34 | 144 | 0 | 0 | 0 | 0 | 13 | 2 | 4 | 3.23 |
| SP | Kluber, C.Kluber, Corey $$ >> | 31 | 2017 | R | 90 | 21 | 21 | 4 | 12 | 6.92 | .373 | 1.75 | 12.0 | 3.8 | 9.2 | 108.0 | 144 | 83 | 83 | 19 | 45 | 110 | 2 | 0 | 0 | 0 | 6 | 4 | 6 | 4.61 |
| SP | Mathewson, C.Mathewson, Christy >> | 28 | 1908 | R | 83 | 20 | 20 | 6 | 7 | 5.01 | .342 | 1.51 | 11.1 | 2.5 | 6.1 | 115.0 | 142 | 71 | 64 | 10 | 32 | 78 | 1 | 0 | 0 | 1 | 9 | 5 | 1 | 3.74 |
| SP | Pfiester, J.Pfiester, Jack >> | 28 | 1906 | L | 74 | 20 | 20 | 6 | 10 | 6.70 | .348 | 1.59 | 10.5 | 3.9 | 5.4 | 99.1 | 115 | 74 | 74 | 18 | 43 | 59 | 3 | 0 | 0 | 0 | 7 | 1 | 1 | 5.51 |
| SP | Waddell, R.Waddell, Rube >> | 29 | 1905 | L | 67 | 21 | 20 | 4 | 10 | 6.64 | .347 | 1.58 | 9.9 | 4.3 | 6.5 | 99.0 | 109 | 78 | 73 | 14 | 47 | 71 | 3 | 0 | 0 | 1 | 6 | 2 | 0 | 4.89 |
| CL | Kimbrel, C.Kimbrel, Craig † $ >> | 24 | 2012 | R | 100 | 49 | 0 | 2 | 1 | 1.93 | .273 | 1.11 | 6.3 | 3.7 | 10.3 | 56.0 | 39 | 12 | 12 | 3 | 23 | 64 | 0 | 20 | 1 | 0 | 0 | 1 | 1 | 2.70 |
| SU | Rivera, M.Rivera, Mariano $ >> | 39 | 2008 | R | 85 | 53 | 0 | 1 | 2 | 6.19 | .361 | 1.66 | 12.7 | 2.4 | 7.7 | 56.2 | 79 | 39 | 39 | 8 | 15 | 48 | 0 | 2 | 4 | 0 | 0 | 2 | 0 | 4.05 |
| RP | Saito, T.Saito, Takashi >> | 37 | 2007 | R | 91 | 58 | 0 | 5 | 1 | 5.03 | .299 | 1.26 | 7.8 | 3.6 | 9.6 | 62.2 | 54 | 35 | 35 | 9 | 25 | 66 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 4.02 |
| RP | Betancourt, R.Betancourt, Rafael # >> | 32 | 2007 | R | 76 | 53 | 0 | 3 | 1 | 3.48 | .273 | 1.10 | 8.2 | 1.8 | 10.0 | 64.2 | 58 | 31 | 25 | 9 | 13 | 71 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 3.31 |
| RP | Gregerson, L.Gregerson, Luke # >> | 26 | 2010 | R | 73 | 46 | 0 | 0 | 4 | 6.80 | .378 | 1.80 | 12.8 | 3.6 | 10.9 | 47.2 | 67 | 36 | 36 | 6 | 19 | 57 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 3.51 |
| RP | Rhodes, A.Rhodes, Arthur >> | 32 | 2001 | L | 64 | 57 | 0 | 1 | 1 | 4.96 | .330 | 1.48 | 9.8 | 3.6 | 10.0 | 45.1 | 49 | 25 | 25 | 9 | 18 | 50 | 0 | 1 | 4 | 0 | 0 | 0 | 2 | 4.58 |
| RP | Clippard, T.Clippard, Tyler >> | 26 | 2011 | R | 80 | 37 | 0 | 3 | 0 | 3.40 | .265 | 1.06 | 7.2 | 2.5 | 9.2 | 39.2 | 31 | 15 | 15 | 5 | 11 | 40 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 3.54 |