| SP | Ruffing, R.Ruffing, Red † # | Yankees | R | 131.0 | 30 | 30 | 19 | 7 | 3.91 | .297 | 1.26 | 7.7 | 3.7 | 4.4 | 225.2 | 192 | 106 | 98 | 8 | 93 | 111 | 11 | 0 | 0 | 3 | 17 | 1 | 3 | 3.73 |
| SP | Alexander, P.Alexander, Pete † | Tigers | R | 121.0 | 34 | 23 | 12 | 10 | 2.49 | .275 | 1.14 | 8.3 | 2.0 | 3.0 | 213.2 | 196 | 81 | 59 | 11 | 47 | 72 | 8 | 2 | 0 | 3 | 18 | 0 | 5 | 3.66 |
| SP | Crowder, A.Crowder, Alvin | Nationals | R | 105.0 | 28 | 28 | 15 | 9 | 3.23 | .281 | 1.17 | 8.5 | 2.1 | 2.9 | 214.2 | 202 | 90 | 77 | 6 | 50 | 69 | 2 | 0 | 0 | 0 | 20 | 0 | 0 | 3.42 |
| SP | Freitas, T.Freitas, Tony † # | Athletics | L | 101.0 | 30 | 30 | 16 | 9 | 3.86 | .296 | 1.26 | 8.6 | 2.8 | 2.9 | 209.2 | 200 | 100 | 90 | 10 | 64 | 67 | 5 | 0 | 0 | 3 | 16 | 0 | 0 | 3.90 |
| SP | Sorrell, V.Sorrell, Vic † | Tigers | R | 94.0 | 30 | 30 | 11 | 14 | 2.79 | .279 | 1.16 | 7.4 | 3.0 | 2.9 | 219.1 | 180 | 80 | 68 | 10 | 74 | 71 | 8 | 0 | 0 | 1 | 22 | 1 | 2 | 3.97 |