| SP | Martinez, P.Martinez, Pedro >> | 29 | 2000 | R | 100 | 14 | 14 | 7 | 5 | 4.42 | .334 | 1.46 | 10.0 | 3.2 | 7.6 | 97.2 | 108 | 49 | 48 | 12 | 35 | 82 | 1 | 0 | 0 | 0 | 7 | 4 | 2 | 4.12 |
| SP | Marichal, J.Marichal, Juan >> | 29 | 1966 | R | 76 | 13 | 13 | 2 | 5 | 6.37 | .347 | 1.56 | 10.6 | 3.5 | 5.7 | 83.1 | 98 | 59 | 59 | 14 | 32 | 53 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 5.18 |
| SP | Schmidt, J.Schmidt, Jason >> | 30 | 2003 | R | 68 | 13 | 13 | 5 | 7 | 6.34 | .334 | 1.51 | 10.9 | 2.7 | 7.5 | 82.1 | 99 | 61 | 58 | 15 | 25 | 68 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 4.63 |
| CL | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 33 | 0 | 4 | 2 | 2.78 | .281 | 1.18 | 7.9 | 2.8 | 11.3 | 32.1 | 28 | 10 | 10 | 3 | 10 | 40 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 2.66 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 39 | 0 | 3 | 2 | 3.45 | .307 | 1.33 | 7.8 | 4.3 | 8.4 | 44.1 | 38 | 18 | 17 | 4 | 21 | 41 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3.75 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 35 | 0 | 0 | 0 | 2.70 | .277 | 1.08 | 6.3 | 3.4 | 9.7 | 40.0 | 28 | 15 | 12 | 2 | 15 | 43 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 2.85 |
| RP | Soria, J.Soria, Joakim >> | 24 | 2008 | R | 67 | 20 | 0 | 1 | 1 | 6.84 | .358 | 1.63 | 8.7 | 6.2 | 8.3 | 26.1 | 25 | 20 | 20 | 7 | 18 | 24 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 6.85 |