| SP | Chamberlain, E.Chamberlain, Elton >> | 21 | 1888 | R | 97 | 10 | 10 | 5 | 3 | 3.60 | .273 | 1.11 | 6.5 | 3.5 | 5.3 | 80.0 | 58 | 35 | 32 | 8 | 31 | 47 | 5 | 0 | 0 | 1 | 6 | 1 | 0 | 4.33 |
| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 88 | 9 | 9 | 6 | 1 | 2.60 | .297 | 1.25 | 7.4 | 3.9 | 8.3 | 55.1 | 45 | 17 | 16 | 0 | 24 | 51 | 0 | 0 | 0 | 0 | 7 | 1 | 1 | 2.51 |
| SP | Hughes, D.Hughes, Dick >> | 29 | 1967 | R | 84 | 9 | 9 | 6 | 1 | 3.52 | .273 | 1.11 | 7.8 | 2.2 | 5.9 | 61.1 | 53 | 26 | 24 | 8 | 15 | 40 | 0 | 0 | 0 | 0 | 6 | 1 | 3 | 4.18 |
| SP | Pollet, H.Pollet, Howie # >> | 22 | 1943 | L | 78 | 9 | 9 | 6 | 2 | 3.91 | .296 | 1.25 | 7.9 | 3.5 | 6.4 | 73.2 | 64 | 32 | 32 | 9 | 28 | 52 | 4 | 0 | 0 | 0 | 4 | 1 | 0 | 4.37 |
| RP | Helsley, R.Helsley, Ryan >> | 27 | 2022 | R | 100 | 22 | 0 | 4 | 0 | 1.99 | .253 | 1.01 | 5.7 | 3.7 | 9.0 | 22.2 | 14 | 5 | 5 | 2 | 9 | 22 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 3.41 |
| RP | Siegrist, K.Siegrist, Kevin >> | 23 | 2013 | L | 87 | 14 | 0 | 1 | 0 | 2.31 | .239 | 0.94 | 4.1 | 4.9 | 10.6 | 11.2 | 5 | 3 | 3 | 1 | 6 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.45 |
| RP | Calero, K.Calero, Kiko >> | 29 | 2004 | R | 80 | 6 | 0 | 0 | 1 | 3.00 | .308 | 1.33 | 6.0 | 6.0 | 12.0 | 6.0 | 4 | 2 | 2 | 2 | 4 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.67 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 29 | 2021 | R | 73 | 5 | 0 | 0 | 0 | 3.86 | .333 | 1.29 | 6.8 | 6.8 | 13.5 | 4.2 | 3 | 2 | 2 | 0 | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.00 |
| RP | Thompson, Z.Thompson, Zack >> | 24 | 2022 | L | 62 | 13 | 0 | 1 | 0 | 2.35 | .270 | 1.11 | 5.4 | 4.8 | 6.0 | 15.1 | 9 | 4 | 4 | 1 | 8 | 10 | 0 | 2 | 1 | 0 | 0 | 0 | 2 | 4.13 |