| SP | Alexander, P.Alexander, Pete † $ | Cats | R | 141.0 | 30 | 30 | 17 | 12 | 2.94 | .254 | 1.00 | 7.2 | 1.8 | 3.1 | 236.0 | 189 | 85 | 77 | 0 | 47 | 82 | 14 | 0 | 0 | 6 | 18 | 5 | 2 | 2.97 |
| SP | Bender, C.Bender, Chief † | Knights | R | 129.0 | 30 | 30 | 17 | 6 | 3.32 | .304 | 1.27 | 8.5 | 3.0 | 2.8 | 224.2 | 212 | 114 | 83 | 2 | 74 | 69 | 9 | 0 | 0 | 1 | 20 | 9 | 3 | 3.61 |
| SP | Bradley, G.Bradley, George † | Cats | R | 120.0 | 28 | 28 | 17 | 6 | 3.67 | .282 | 1.13 | 8.7 | 1.5 | 1.7 | 198.2 | 191 | 86 | 81 | 1 | 33 | 37 | 12 | 0 | 0 | 3 | 15 | 10 | 7 | 3.34 |
| SP | Reulbach, E.Reulbach, Ed # | Reapers | R | 98.0 | 29 | 29 | 14 | 11 | 3.57 | .288 | 1.17 | 8.4 | 2.2 | 3.0 | 204.1 | 190 | 105 | 81 | 5 | 50 | 69 | 11 | 0 | 0 | 2 | 17 | 8 | 4 | 3.50 |
| SP | Driscoll, D.Driscoll, Denny | Cavemen | L | 98.0 | 29 | 29 | 13 | 10 | 3.55 | .295 | 1.23 | 9.7 | 1.4 | 2.4 | 220.1 | 238 | 135 | 87 | 13 | 33 | 59 | 14 | 0 | 0 | 0 | 14 | 6 | 0 | 3.76 |
| SP | Corcoran, L.Corcoran, Larry | Dragons | R | 95.0 | 28 | 28 | 15 | 11 | 4.12 | .321 | 1.38 | 9.3 | 3.1 | 2.5 | 212.0 | 218 | 114 | 97 | 5 | 74 | 60 | 13 | 0 | 0 | 4 | 14 | 9 | 3 | 3.92 |
| RP | Coveleski, S.Coveleski, Stan † | Grasshoppers | R | 95.0 | 61 | 0 | 13 | 11 | 3.94 | .311 | 1.33 | 8.3 | 3.7 | 2.7 | 150.2 | 139 | 72 | 66 | 7 | 61 | 45 | 0 | 16 | 8 | 0 | 0 | 4 | 2 | 4.31 |