| SP | Foster, R.Foster, Rube >> | 26 | 1914 | R | 71 | 15 | 15 | 4 | 5 | 4.83 | .342 | 1.55 | 10.2 | 3.7 | 3.7 | 95.0 | 108 | 58 | 51 | 10 | 39 | 39 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 4.81 |
| SP | Wakefield, T.Wakefield, Tim >> | 37 | 2003 | R | 30 | 18 | 15 | 7 | 8 | 5.70 | .353 | 1.64 | 11.0 | 3.9 | 6.7 | 83.2 | 101 | 60 | 53 | 11 | 36 | 62 | 0 | 0 | 1 | 0 | 6 | 0 | 4 | 4.53 |
| SP | Dobson, J.Dobson, Joe # >> | 31 | 1948 | R | 28 | 16 | 16 | 7 | 5 | 4.87 | .340 | 1.52 | 10.1 | 3.6 | 4.7 | 105.1 | 118 | 57 | 57 | 7 | 42 | 55 | 0 | 0 | 0 | 0 | 9 | 3 | 5 | 4.10 |
| SP | Pennock, H.Pennock, Herb >> | 26 | 1920 | L | 26 | 15 | 15 | 3 | 8 | 5.86 | .345 | 1.57 | 10.9 | 3.3 | 4.2 | 93.2 | 113 | 66 | 61 | 11 | 34 | 43 | 1 | 0 | 0 | 0 | 5 | 1 | 2 | 4.74 |
| RP | Uehara, K.Uehara, Koji >> | 38 | 2013 | R | 99 | 47 | 0 | 5 | 1 | 2.51 | .239 | 0.94 | 6.5 | 2.0 | 10.6 | 68.0 | 49 | 19 | 19 | 6 | 15 | 80 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2.46 |
| RP | Kimbrel, C.Kimbrel, Craig >> | 29 | 2017 | R | 98 | 45 | 0 | 4 | 2 | 3.63 | .299 | 1.25 | 8.2 | 3.0 | 11.4 | 57.0 | 52 | 27 | 23 | 6 | 19 | 72 | 0 | 2 | 4 | 0 | 0 | 2 | 2 | 2.95 |
| RP | Chapman, A.Chapman, Aroldis >> | 37 | 2025 | L | 97 | 35 | 0 | 1 | 5 | 6.81 | .353 | 1.64 | 8.8 | 6.2 | 10.4 | 39.2 | 38 | 30 | 30 | 7 | 27 | 45 | 0 | 3 | 1 | 0 | 0 | 0 | 6 | 5.10 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 29 | 2009 | R | 47 | 32 | 0 | 0 | 1 | 2.97 | .341 | 1.48 | 8.4 | 5.1 | 7.8 | 30.1 | 28 | 10 | 10 | 2 | 17 | 26 | 0 | 5 | 2 | 0 | 0 | 2 | 0 | 4.03 |
| RP | Fornieles, M.Fornieles, Mike >> | 28 | 1960 | R | 27 | 23 | 0 | 1 | 1 | 7.04 | .357 | 1.66 | 9.9 | 5.4 | 5.4 | 30.2 | 33 | 25 | 24 | 8 | 18 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 7.07 |