| SP | Vander Meer, J.Vander Meer, Johnny | 27 | Reds | L | 81 | 40 | 40 | 15 | 16 | 3.48 | .303 | 1.30 | 7.5 | 4.3 | 5.1 | 279.1 | 232 | 121 | 108 | 10 | 132 | 159 | 8 | 0 | 0 | 3 | 24 | 1 | 6 | 3.76 |
| SP | Leonard, D.Leonard, Dutch | 32 | Robins | R | 57 | 38 | 38 | 15 | 12 | 3.51 | .300 | 1.28 | 8.9 | 2.6 | 3.2 | 289.1 | 285 | 120 | 113 | 19 | 85 | 102 | 10 | 0 | 0 | 2 | 26 | 2 | 5 | 4.05 |
| SP | Walters, B.Walters, Bucky | 32 | Bees | R | 76 | 41 | 41 | 25 | 9 | 4.38 | .338 | 1.53 | 10.2 | 3.5 | 3.4 | 316.2 | 359 | 173 | 154 | 17 | 124 | 118 | 8 | 0 | 0 | 0 | 23 | 3 | 7 | 4.16 |
| CL | Raffensberger, K.Raffensberger, Ken | 24 | Cubs | L | 79 | 81 | 0 | 6 | 7 | 3.07 | .298 | 1.26 | 7.7 | 3.7 | 3.2 | 123.0 | 105 | 53 | 42 | 4 | 50 | 44 | 0 | 23 | 5 | 0 | 0 | 2 | 0 | 3.98 |
| CL | Hutchinson, I.Hutchinson, Ira | 31 | Bees | R | 100 | 73 | 0 | 6 | 4 | 3.80 | .319 | 1.39 | 7.5 | 5.2 | 3.1 | 94.2 | 78 | 45 | 40 | 4 | 54 | 32 | 0 | 37 | 3 | 0 | 0 | 1 | 0 | 4.63 |