| SP | Martinez, P.Martinez, Pedro $ >> | 29 | 2000 | R | 100 | 28 | 28 | 13 | 12 | 3.61 | .272 | 1.10 | 7.6 | 2.4 | 8.9 | 209.1 | 176 | 85 | 84 | 28 | 55 | 206 | 8 | 0 | 0 | 2 | 17 | 4 | 1 | 3.62 |
| SP | Hunter, C.Hunter, Catfish # >> | 26 | 1972 | R | 85 | 27 | 27 | 14 | 8 | 4.13 | .295 | 1.24 | 8.0 | 3.1 | 6.2 | 194.0 | 173 | 94 | 89 | 28 | 67 | 134 | 7 | 0 | 0 | 2 | 14 | 3 | 3 | 4.58 |
| SP | Buehler, W.Buehler, Walker # >> | 23 | 2018 | R | 84 | 27 | 27 | 10 | 8 | 5.16 | .334 | 1.48 | 9.7 | 3.7 | 8.7 | 151.2 | 163 | 89 | 87 | 20 | 62 | 146 | 0 | 0 | 0 | 0 | 12 | 3 | 8 | 4.08 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 84 | 59 | 0 | 7 | 4 | 4.24 | .294 | 1.25 | 7.9 | 3.3 | 12.0 | 68.0 | 60 | 32 | 32 | 11 | 25 | 91 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 3.53 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 82 | 38 | 0 | 1 | 1 | 3.63 | .274 | 1.11 | 6.0 | 4.2 | 13.6 | 39.2 | 26 | 16 | 16 | 4 | 18 | 59 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2.77 |
| RP | Holland, G.Holland, Greg >> | 27 | 2013 | R | 69 | 25 | 0 | 4 | 0 | 5.06 | .340 | 1.45 | 9.4 | 3.9 | 11.6 | 21.1 | 22 | 14 | 12 | 3 | 9 | 27 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3.86 |
| SU | Papelbon, J.Papelbon, Jonathan $ >> | 27 | 2007 | R | 90 | 42 | 0 | 0 | 3 | 3.56 | .254 | 1.02 | 5.4 | 3.8 | 8.8 | 43.0 | 26 | 18 | 17 | 6 | 18 | 42 | 0 | 6 | 3 | 0 | 0 | 0 | 0 | 4.12 |
| CL | Adams, M.Adams, Mike † $ >> | 31 | 2009 | R | 99 | 45 | 0 | 0 | 2 | 0.76 | .169 | 0.57 | 3.3 | 1.9 | 9.0 | 47.2 | 17 | 4 | 4 | 2 | 10 | 47 | 0 | 35 | 1 | 0 | 0 | 2 | 0 | 2.32 |