| SP | Martinez, P.Martinez, Pedro † $ >> | 29 | 2000 | R | 100 | 36 | 36 | 16 | 9 | 3.36 | .275 | 1.14 | 7.6 | 2.6 | 8.8 | 270.1 | 229 | 105 | 101 | 39 | 78 | 264 | 5 | 0 | 0 | 0 | 24 | 1 | 2 | 3.80 |
| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 84 | 35 | 35 | 11 | 13 | 5.84 | .337 | 1.51 | 9.6 | 4.0 | 8.1 | 188.0 | 200 | 122 | 122 | 30 | 84 | 170 | 0 | 0 | 0 | 0 | 12 | 3 | 3 | 4.65 |
| SP | Perez, P.Perez, Pascual # >> | 31 | 1988 | R | 77 | 33 | 33 | 14 | 5 | 3.71 | .281 | 1.14 | 7.9 | 2.3 | 5.2 | 235.0 | 207 | 97 | 97 | 32 | 61 | 136 | 5 | 0 | 0 | 3 | 19 | 7 | 7 | 4.48 |
| CL | Adams, M.Adams, Mike † $$ >> | 31 | 2009 | R | 99 | 79 | 0 | 9 | 10 | 3.16 | .271 | 1.08 | 6.5 | 3.3 | 9.7 | 85.1 | 61 | 30 | 30 | 10 | 31 | 92 | 0 | 42 | 6 | 0 | 0 | 3 | 1 | 3.56 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 90 | 92 | 0 | 6 | 3 | 3.66 | .257 | 1.02 | 6.8 | 2.4 | 9.7 | 93.1 | 70 | 39 | 38 | 11 | 25 | 100 | 0 | 1 | 6 | 0 | 0 | 2 | 0 | 3.26 |
| RP | Davis, W.Davis, Wade # >> | 28 | 2014 | R | 80 | 61 | 0 | 3 | 5 | 4.35 | .326 | 1.43 | 7.9 | 5.1 | 10.7 | 49.2 | 43 | 24 | 24 | 7 | 28 | 58 | 0 | 3 | 2 | 0 | 0 | 1 | 0 | 4.27 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 76 | 101 | 0 | 0 | 0 | 2.84 | .296 | 1.26 | 6.3 | 5.1 | 6.9 | 57.0 | 40 | 18 | 18 | 4 | 32 | 44 | 0 | 4 | 2 | 0 | 0 | 0 | 4 | 4.05 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 72 | 39 | 0 | 3 | 2 | 2.45 | .302 | 1.30 | 8.4 | 3.4 | 8.1 | 29.1 | 27 | 8 | 8 | 5 | 11 | 26 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 4.59 |