| SP | Chamberlain, E.Chamberlain, Elton † >> | 21 | 1888 | R | 93 | 34 | 34 | 20 | 7 | 3.09 | .277 | 1.13 | 6.7 | 3.5 | 4.2 | 268.0 | 199 | 105 | 92 | 21 | 105 | 126 | 14 | 0 | 0 | 3 | 22 | 4 | 0 | 4.30 |
| SP | Gibson, B.Gibson, Bob † >> | 33 | 1968 | R | 96 | 33 | 33 | 22 | 5 | 2.88 | .273 | 1.09 | 7.0 | 2.8 | 5.5 | 259.2 | 202 | 92 | 83 | 21 | 82 | 158 | 11 | 0 | 0 | 4 | 22 | 8 | 5 | 3.88 |
| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 87 | 32 | 32 | 17 | 5 | 3.29 | .291 | 1.21 | 8.1 | 2.8 | 8.6 | 200.0 | 179 | 83 | 73 | 24 | 63 | 192 | 0 | 0 | 0 | 0 | 20 | 4 | 6 | 3.65 |
| SP | Foutz, D.Foutz, Dave # >> | 28 | 1884 | R | 68 | 31 | 31 | 14 | 11 | 4.30 | .299 | 1.27 | 9.0 | 2.4 | 5.2 | 232.1 | 233 | 124 | 111 | 28 | 61 | 133 | 14 | 0 | 0 | 1 | 14 | 4 | 0 | 4.26 |
| RP | Calero, K.Calero, Kiko >> | 29 | 2004 | R | 79 | 58 | 0 | 3 | 2 | 2.91 | .301 | 1.24 | 8.5 | 2.8 | 8.2 | 55.2 | 52 | 21 | 18 | 5 | 17 | 50 | 0 | 4 | 2 | 0 | 0 | 3 | 0 | 3.45 |
| RP | Percival, T.Percival, Troy >> | 38 | 2007 | R | 71 | 44 | 0 | 4 | 2 | 4.62 | .361 | 1.62 | 8.5 | 6.0 | 7.6 | 39.0 | 37 | 20 | 20 | 4 | 26 | 33 | 0 | 0 | 1 | 0 | 0 | 3 | 2 | 4.87 |
| RP | Thompson, Z.Thompson, Zack >> | 24 | 2022 | L | 58 | 47 | 0 | 1 | 1 | 3.60 | .276 | 1.14 | 6.4 | 3.9 | 7.2 | 35.0 | 25 | 15 | 14 | 4 | 15 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.17 |
| RP | Isringhausen, J.Isringhausen, Jason >> | 30 | 2002 | R | 50 | 25 | 0 | 3 | 0 | 1.91 | .274 | 1.09 | 5.8 | 4.2 | 8.4 | 28.1 | 18 | 6 | 6 | 2 | 13 | 26 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3.57 |
| RP | Timlin, M.Timlin, Mike # >> | 36 | 2002 | R | 43 | 35 | 0 | 4 | 2 | 4.43 | .230 | 0.85 | 6.3 | 1.4 | 6.1 | 44.2 | 31 | 23 | 22 | 5 | 7 | 30 | 0 | 2 | 1 | 0 | 0 | 2 | 2 | 3.73 |
| CL | Helsley, R.Helsley, Ryan † >> | 27 | 2022 | R | 98 | 60 | 0 | 5 | 4 | 3.72 | .298 | 1.28 | 6.8 | 4.7 | 9.3 | 58.0 | 44 | 25 | 24 | 4 | 30 | 60 | 0 | 34 | 4 | 0 | 0 | 0 | 1 | 3.38 |