| SP | Martinez, P.Martinez, Pedro † # | Pigs | R | 128.0 | 25 | 25 | 14 | 5 | 2.89 | .248 | 0.97 | 6.8 | 1.9 | 8.9 | 183.2 | 139 | 59 | 59 | 13 | 39 | 180 | 6 | 0 | 0 | 5 | 19 | 4 | 4 | 2.66 |
| SP | Mathewson, C.Mathewson, Christy † | Sharks | R | 100.0 | 24 | 24 | 15 | 8 | 3.47 | .295 | 1.25 | 8.5 | 2.8 | 4.6 | 173.2 | 164 | 69 | 67 | 16 | 53 | 88 | 3 | 0 | 0 | 2 | 15 | 1 | 1 | 4.12 |
| SP | deGrom, J.deGrom, Jacob † | Seagulls | R | 100.0 | 25 | 25 | 12 | 5 | 2.77 | .268 | 1.09 | 7.6 | 2.2 | 8.8 | 156.0 | 132 | 52 | 48 | 16 | 38 | 152 | 0 | 0 | 0 | 0 | 13 | 1 | 0 | 3.13 |
| SP | McLain, D.McLain, Denny # | Spiders | R | 84.0 | 24 | 24 | 14 | 8 | 4.59 | .281 | 1.14 | 8.3 | 2.0 | 5.7 | 186.1 | 171 | 100 | 95 | 20 | 42 | 118 | 12 | 0 | 0 | 1 | 11 | 5 | 3 | 3.89 |
| SP | Leonard, D.Leonard, Dutch | Vikings | L | 78.0 | 24 | 24 | 13 | 6 | 3.96 | .276 | 1.14 | 7.3 | 3.0 | 6.0 | 154.2 | 125 | 68 | 68 | 10 | 52 | 102 | 0 | 0 | 0 | 0 | 13 | 0 | 3 | 3.53 |
| SP | Cicotte, E.Cicotte, Eddie | SHOOTERS | R | 72.0 | 25 | 25 | 11 | 8 | 3.70 | .304 | 1.29 | 8.9 | 2.7 | 3.7 | 165.1 | 164 | 71 | 68 | 19 | 49 | 67 | 4 | 0 | 0 | 1 | 14 | 4 | 5 | 4.65 |
| CL | Treinen, B.Treinen, Blake | Predators | R | 72.0 | 54 | 0 | 3 | 3 | 2.30 | .307 | 1.31 | 8.1 | 3.9 | 8.5 | 58.2 | 52 | 16 | 15 | 6 | 25 | 55 | 0 | 18 | 3 | 0 | 0 | 1 | 0 | 3.79 |