| SP | Chamberlain, E.Chamberlain, Elton >> | 21 | 1888 | R | 99 | 13 | 13 | 8 | 2 | 3.80 | .304 | 1.31 | 9.2 | 2.6 | 5.3 | 90.0 | 92 | 44 | 38 | 10 | 26 | 53 | 4 | 0 | 0 | 0 | 8 | 0 | 0 | 4.13 |
| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 87 | 12 | 12 | 8 | 1 | 3.38 | .253 | 1.01 | 7.3 | 1.9 | 9.4 | 72.0 | 58 | 27 | 27 | 11 | 15 | 75 | 0 | 0 | 0 | 0 | 9 | 0 | 2 | 3.53 |
| SP | Hughes, D.Hughes, Dick >> | 30 | 1968 | R | 74 | 12 | 12 | 0 | 5 | 4.38 | .327 | 1.46 | 8.8 | 4.4 | 5.8 | 37.0 | 36 | 18 | 18 | 6 | 18 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.27 |
| SP | DeLeon, J.DeLeon, Jose >> | 29 | 1989 | R | 73 | 12 | 12 | 8 | 1 | 3.83 | .314 | 1.36 | 7.7 | 4.6 | 6.3 | 80.0 | 68 | 38 | 34 | 7 | 41 | 56 | 1 | 0 | 0 | 0 | 7 | 1 | 2 | 4.31 |
| SP | Foutz, D.Foutz, Dave # >> | 28 | 1884 | R | 63 | 12 | 12 | 5 | 2 | 4.93 | .311 | 1.36 | 9.5 | 2.8 | 5.4 | 76.2 | 80 | 43 | 42 | 8 | 24 | 46 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 4.11 |
| RP | Calero, K.Calero, Kiko >> | 29 | 2004 | R | 78 | 34 | 0 | 4 | 0 | 3.35 | .275 | 1.14 | 6.3 | 4.1 | 7.7 | 40.1 | 28 | 16 | 15 | 6 | 18 | 34 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 4.60 |
| RP | Svanson, M.Svanson, Matt >> | 26 | 2025 | R | 75 | 26 | 0 | 2 | 1 | 3.18 | .257 | 1.01 | 5.6 | 3.6 | 7.0 | 45.1 | 28 | 16 | 16 | 7 | 18 | 35 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 4.73 |
| RP | Percival, T.Percival, Troy >> | 38 | 2007 | R | 70 | 23 | 0 | 2 | 1 | 4.50 | .273 | 1.13 | 7.0 | 3.1 | 4.5 | 32.0 | 25 | 16 | 16 | 3 | 11 | 16 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 4.25 |
| RP | Springer, R.Springer, Russ >> | 39 | 2007 | R | 62 | 22 | 0 | 3 | 1 | 5.55 | .324 | 1.44 | 7.9 | 5.3 | 6.0 | 24.1 | 21 | 16 | 15 | 3 | 14 | 16 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 5.04 |
| RP | Thompson, Z.Thompson, Zack >> | 24 | 2022 | L | 49 | 16 | 0 | 3 | 0 | 1.82 | .252 | 0.98 | 5.0 | 4.0 | 5.9 | 29.2 | 16 | 6 | 6 | 0 | 13 | 19 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3.14 |
| RP | O'Neill, M.O'Neill, Mike >> | 24 | 1901 | R | 45 | 19 | 0 | 3 | 1 | 4.55 | .282 | 1.18 | 9.0 | 1.9 | 4.0 | 29.2 | 29 | 15 | 15 | 4 | 6 | 13 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 4.52 |