| SP | Chamberlain, E.Chamberlain, Elton † >> | 21 | 1888 | R | 96 | 38 | 38 | 21 | 3 | 3.78 | .297 | 1.26 | 7.6 | 3.8 | 4.7 | 276.0 | 232 | 126 | 116 | 21 | 115 | 145 | 6 | 0 | 0 | 0 | 24 | 3 | 0 | 4.22 |
| SP | Pollet, H.Pollet, Howie >> | 22 | 1943 | L | 68 | 36 | 36 | 15 | 16 | 4.63 | .320 | 1.40 | 9.4 | 3.2 | 5.1 | 239.1 | 249 | 138 | 123 | 27 | 86 | 136 | 3 | 0 | 0 | 0 | 16 | 3 | 3 | 4.45 |
| SP | Gibson, B.Gibson, Bob # >> | 31 | 1966 | R | 41 | 35 | 35 | 16 | 9 | 4.36 | .312 | 1.34 | 8.6 | 3.5 | 6.1 | 239.1 | 228 | 131 | 116 | 37 | 93 | 163 | 4 | 0 | 0 | 3 | 17 | 4 | 6 | 4.87 |
| SP | Packard, G.Packard, Gene >> | 30 | 1917 | L | 28 | 34 | 34 | 6 | 10 | 5.27 | .329 | 1.45 | 10.1 | 2.9 | 4.7 | 152.0 | 171 | 99 | 89 | 12 | 49 | 79 | 0 | 0 | 0 | 0 | 6 | 4 | 2 | 4.03 |
| CL | Calero, K.Calero, Kiko † >> | 29 | 2004 | R | 75 | 80 | 0 | 1 | 13 | 3.45 | .294 | 1.25 | 8.0 | 3.3 | 9.1 | 78.1 | 69 | 34 | 30 | 12 | 29 | 79 | 0 | 47 | 8 | 0 | 0 | 0 | 4 | 4.09 |
| SU | Percival, T.Percival, Troy >> | 38 | 2007 | R | 67 | 66 | 0 | 9 | 3 | 5.45 | .311 | 1.33 | 9.0 | 3.0 | 5.0 | 77.2 | 77 | 49 | 47 | 13 | 26 | 43 | 0 | 1 | 7 | 0 | 0 | 2 | 1 | 5.17 |
| RP | Svanson, M.Svanson, Matt >> | 26 | 2025 | R | 71 | 78 | 0 | 5 | 3 | 2.92 | .279 | 1.15 | 6.9 | 3.5 | 8.2 | 117.0 | 90 | 46 | 38 | 11 | 45 | 107 | 0 | 3 | 2 | 0 | 0 | 1 | 3 | 3.57 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 29 | 2021 | R | 62 | 62 | 0 | 5 | 3 | 3.05 | .287 | 1.21 | 8.1 | 2.8 | 7.5 | 73.2 | 66 | 26 | 25 | 7 | 23 | 61 | 0 | 2 | 2 | 0 | 0 | 0 | 3 | 3.52 |
| RP | O'Neill, M.O'Neill, Mike >> | 24 | 1901 | R | 33 | 38 | 0 | 4 | 2 | 3.16 | .269 | 1.09 | 7.9 | 1.9 | 4.1 | 57.0 | 50 | 23 | 20 | 3 | 12 | 26 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 3.46 |
| RP | Rincon, A.Rincon, Andy >> | 22 | 1981 | R | 38 | 32 | 0 | 1 | 0 | 6.02 | .353 | 1.60 | 11.3 | 3.1 | 3.3 | 46.1 | 58 | 33 | 31 | 7 | 16 | 17 | 0 | 3 | 1 | 0 | 0 | 2 | 0 | 5.41 |
| SP | Flaherty, J.Flaherty, Jack # >> | 22 | 2018 | R | 46 | 33 | 31 | 11 | 9 | 5.26 | .344 | 1.56 | 10.0 | 4.1 | 8.2 | 164.1 | 182 | 101 | 96 | 20 | 75 | 150 | 0 | 0 | 0 | 0 | 8 | 2 | 4 | 4.16 |