| SP | Leonard, D.Leonard, Dutch † >> | 22 | 1914 | L | 91 | 26 | 26 | 18 | 7 | 2.95 | .273 | 1.10 | 6.3 | 3.7 | 6.0 | 174.0 | 121 | 61 | 57 | 13 | 71 | 116 | 3 | 0 | 0 | 1 | 19 | 4 | 1 | 3.93 |
| SP | Spahn, W.Spahn, Warren >> | 32 | 1953 | L | 20 | 13 | 13 | 5 | 5 | 4.59 | .313 | 1.37 | 8.8 | 3.6 | 5.5 | 86.1 | 84 | 44 | 44 | 14 | 34 | 53 | 3 | 0 | 0 | 2 | 6 | 0 | 2 | 5.07 |
| SP | Bender, C.Bender, Chief # >> | 26 | 1910 | R | 72 | 22 | 14 | 6 | 6 | 4.66 | .323 | 1.40 | 9.6 | 3.1 | 5.6 | 125.2 | 133 | 71 | 65 | 14 | 43 | 78 | 1 | 0 | 0 | 0 | 6 | 4 | 4 | 4.34 |
| SP | Wood, W.Wood, Wilbur # >> | 30 | 1971 | L | 30 | 20 | 20 | 7 | 10 | 5.06 | .321 | 1.41 | 10.1 | 2.6 | 5.3 | 137.0 | 153 | 77 | 77 | 23 | 40 | 80 | 4 | 0 | 0 | 2 | 7 | 1 | 1 | 4.91 |
| SU | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 37 | 0 | 2 | 1 | 4.30 | .298 | 1.25 | 7.4 | 3.9 | 11.5 | 44.0 | 36 | 22 | 21 | 6 | 19 | 56 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 3.59 |
| RP | Jansen, K.Jansen, Kenley >> | 28 | 2016 | R | 97 | 52 | 0 | 1 | 3 | 5.26 | .325 | 1.42 | 9.7 | 3.2 | 8.6 | 51.1 | 55 | 30 | 30 | 11 | 18 | 49 | 0 | 1 | 4 | 0 | 0 | 1 | 1 | 5.00 |
| RP | Percival, T.Percival, Troy † >> | 26 | 1995 | R | 83 | 51 | 0 | 3 | 6 | 3.62 | .311 | 1.34 | 7.3 | 4.8 | 8.7 | 54.2 | 44 | 25 | 22 | 8 | 29 | 52 | 0 | 24 | 8 | 0 | 0 | 1 | 2 | 4.67 |
| SP | Perry, G.Perry, Gaylord >> | 34 | 1972 | R | 55 | 7 | 0 | 0 | 0 | 4.87 | .322 | 1.43 | 8.6 | 4.5 | 6.3 | 20.1 | 19 | 13 | 11 | 4 | 10 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5.70 |
| SP | Grove, L.Grove, Lefty # >> | 31 | 1931 | L | 10 | 16 | 15 | 7 | 6 | 6.58 | .361 | 1.69 | 11.4 | 3.9 | 4.7 | 90.1 | 114 | 71 | 66 | 12 | 39 | 47 | 2 | 0 | 0 | 0 | 4 | 0 | 2 | 4.99 |
| SP | Hubbell, C.Hubbell, Carl >> | 30 | 1933 | L | 37 | 2 | 2 | 0 | 2 | 9.90 | .362 | 1.70 | 14.4 | 0.9 | 4.5 | 10.0 | 16 | 12 | 11 | 5 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.80 |