| SP | Ruether, D.Ruether, Dutch $ | Reds | L | 168.0 | 41 | 41 | 21 | 14 | 3.35 | .302 | 1.30 | 8.2 | 3.5 | 2.7 | 327.2 | 297 | 142 | 122 | 6 | 128 | 98 | 20 | 0 | 0 | 4 | 26 | 0 | 8 | 3.81 |
| SP | Coveleski, S.Coveleski, Stan $ | Indians | R | 138.0 | 39 | 39 | 20 | 12 | 3.74 | .317 | 1.38 | 10.0 | 2.5 | 3.5 | 293.2 | 325 | 139 | 122 | 5 | 81 | 115 | 12 | 0 | 0 | 1 | 23 | 2 | 2 | 3.29 |
| SP | Douglas, P.Douglas, Phil # $ | Giants | R | 131.0 | 40 | 40 | 18 | 13 | 3.13 | .300 | 1.27 | 9.6 | 1.9 | 2.8 | 284.1 | 302 | 114 | 99 | 4 | 60 | 88 | 2 | 0 | 0 | 0 | 30 | 3 | 3 | 3.23 |
| SP | Cooper, W.Cooper, Wilbur $ | Pirates | L | 128.0 | 38 | 38 | 19 | 11 | 3.86 | .303 | 1.29 | 8.8 | 2.8 | 3.6 | 277.1 | 270 | 133 | 119 | 10 | 87 | 110 | 12 | 0 | 0 | 0 | 24 | 4 | 1 | 3.66 |
| CL | Pennock, H.Pennock, Herb $ | Red Sox | L | 123.5 | 58 | 0 | 13 | 12 | 3.16 | .319 | 1.39 | 10.1 | 2.5 | 2.2 | 79.2 | 89 | 30 | 28 | 3 | 22 | 19 | 0 | 29 | 6 | 0 | 0 | 1 | 3 | 3.89 |
| RP | Bressler, R.Bressler, Rube $ | Reds | L | 120.0 | 79 | 0 | 16 | 8 | 3.57 | .299 | 1.28 | 9.7 | 1.8 | 2.7 | 151.1 | 162 | 63 | 60 | 8 | 31 | 45 | 0 | 16 | 10 | 0 | 0 | 1 | 1 | 3.73 |