ERA - Minimum inning(s) pitched per team game - .8
| Player | Team | G | GS | CG | IP | H | R | ER | BB | SO | W | L | SV | 2B | 3B | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Butt, B | WIS | 11 | 6 | 4 | 67.1 | 42 | 13 | 8 | 12 | 36 | 7 | 0 | 1 | 5 | 1 | 1.07 |
| Anderson, D | GB | 22 | 5 | 1 | 56.0 | 40 | 12 | 10 | 24 | 56 | 3 | 2 | 7 | 5 | 1 | 1.61 |
| Talley, M | BC | 12 | 12 | 1 | 78.2 | 78 | 24 | 15 | 27 | 42 | 6 | 4 | 0 | 12 | 3 | 1.72 |
| Varce, Z | GB | 18 | 11 | 1 | 74.2 | 50 | 23 | 16 | 21 | 105 | 3 | 5 | 1 | 7 | 1 | 1.93 |
| Winiarski, C | MAD | 17 | 12 | 1 | 80.0 | 63 | 30 | 19 | 36 | 62 | 6 | 5 | 1 | 8 | 1 | 2.14 |
| Gruver, S | LAC | 14 | 13 | 0 | 76.2 | 63 | 25 | 19 | 26 | 49 | 7 | 1 | 1 | 10 | 2 | 2.23 |
| Lukanen, C | GB | 12 | 10 | 0 | 63.0 | 46 | 20 | 16 | 31 | 54 | 6 | 2 | 0 | 9 | 1 | 2.29 |
| Delorit, J | GB | 11 | 11 | 0 | 67.2 | 46 | 22 | 18 | 21 | 54 | 4 | 4 | 0 | 9 | 2 | 2.39 |
| Gumieny, K | WIS | 14 | 12 | 2 | 78.2 | 81 | 31 | 21 | 15 | 54 | 6 | 6 | 0 | 9 | 1 | 2.40 |
| Erath, R | LAC | 13 | 12 | 0 | 72.0 | 69 | 32 | 21 | 19 | 37 | 5 | 1 | 0 | 17 | 1 | 2.63 |
| Shafer, B | WIS | 14 | 9 | 2 | 71.2 | 65 | 26 | 21 | 29 | 61 | 4 | 3 | 1 | 11 | 0 | 2.64 |
| Holcomb, D | BC | 12 | 10 | 1 | 59.2 | 51 | 21 | 19 | 25 | 36 | 5 | 2 | 0 | 5 | 1 | 2.87 |
| Gullickson, C | GB | 18 | 7 | 0 | 57.2 | 49 | 26 | 21 | 22 | 55 | 5 | 2 | 2 | 6 | 1 | 3.28 |
| Pack, C | WAT | 15 | 14 | 0 | 84.2 | 91 | 41 | 32 | 33 | 47 | 2 | 6 | 0 | 14 | 3 | 3.40 |
| Jansen, M | MAD | 18 | 12 | 0 | 72.0 | 64 | 38 | 28 | 32 | 53 | 6 | 3 | 0 | 15 | 0 | 3.50 |
| Williams, S | WAT | 16 | 13 | 0 | 84.2 | 78 | 39 | 33 | 35 | 55 | 3 | 6 | 0 | 13 | 1 | 3.51 |
| Jones, J | BC | 11 | 10 | 0 | 61.1 | 54 | 28 | 24 | 27 | 51 | 4 | 2 | 0 | 12 | 2 | 3.52 |
| Sipple, E | BC | 12 | 11 | 1 | 72.0 | 82 | 36 | 30 | 30 | 51 | 3 | 3 | 0 | 9 | 1 | 3.75 |
| Wagstaff, J | BC | 12 | 11 | 0 | 60.1 | 72 | 33 | 26 | 19 | 43 | 4 | 3 | 0 | 7 | 3 | 3.88 |
| Rose, C | WAT | 20 | 6 | 1 | 57.2 | 61 | 33 | 26 | 18 | 32 | 3 | 5 | 0 | 17 | 0 | 4.06 |
| McElwee, J | BC | 15 | 12 | 0 | 75.0 | 70 | 38 | 34 | 35 | 67 | 4 | 4 | 0 | 10 | 2 | 4.08 |
| Woodworth, P | LAC | 13 | 12 | 1 | 64.1 | 66 | 43 | 34 | 25 | 51 | 3 | 6 | 0 | 10 | 0 | 4.76 |
| Wagoner, J | WAT | 17 | 9 | 0 | 63.2 | 71 | 41 | 35 | 26 | 32 | 1 | 6 | 0 | 19 | 0 | 4.95 |