| SP | Maddux, G.Maddux, Greg † $$ | Warriors | R | 113.0 | 24 | 24 | 14 | 6 | 2.98 | .240 | 0.93 | 6.8 | 1.6 | 5.9 | 178.1 | 135 | 60 | 59 | 18 | 31 | 116 | 6 | 0 | 0 | 1 | 16 | 3 | 2 | 3.58 |
| SP | Mathewson, C.Mathewson, Christy † | Homers | R | 113.0 | 23 | 23 | 14 | 3 | 3.20 | .255 | 1.02 | 7.9 | 1.3 | 4.8 | 171.1 | 151 | 65 | 61 | 14 | 24 | 92 | 5 | 0 | 0 | 3 | 12 | 1 | 1 | 3.43 |
| SP | Alexander, P.Alexander, Pete † | Colt 45's | R | 112.0 | 24 | 24 | 12 | 6 | 2.68 | .250 | 0.99 | 6.9 | 2.0 | 5.7 | 184.2 | 141 | 66 | 55 | 13 | 41 | 116 | 6 | 0 | 0 | 2 | 16 | 3 | 3 | 3.38 |
| SP | Leonard, D.Leonard, Dutch | Homers | L | 86.0 | 24 | 24 | 11 | 6 | 2.94 | .274 | 1.12 | 7.0 | 3.1 | 5.3 | 159.0 | 124 | 58 | 52 | 13 | 54 | 93 | 0 | 0 | 0 | 0 | 18 | 2 | 0 | 3.95 |
| SP | Arrieta, J.Arrieta, Jake $ | Homers | R | 83.0 | 25 | 25 | 10 | 7 | 3.47 | .281 | 1.15 | 7.4 | 3.0 | 8.1 | 181.2 | 149 | 70 | 70 | 12 | 60 | 163 | 3 | 0 | 0 | 1 | 16 | 4 | 4 | 3.12 |
| SP | Martinez, P.Martinez, Pedro | Tigers | R | 80.0 | 25 | 25 | 12 | 9 | 3.98 | .305 | 1.29 | 8.7 | 2.9 | 9.2 | 181.0 | 174 | 80 | 80 | 16 | 59 | 186 | 3 | 0 | 0 | 0 | 16 | 5 | 0 | 3.15 |