ERA - Must have a minimum of .8 inning pitched per team game.
| Player | Team | G | GS | CG | IP | H | R | ER | BB | SO | W | L | SV | 2B | 3B | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dittrick, R | Corv | 10 | 4 | 1 | 49.0 | 31 | 11 | 6 | 9 | 29 | 4 | 1 | 0 | 5 | 1 | 1.10 |
| Reyes, A | WW | 10 | 8 | 2 | 52.2 | 43 | 13 | 12 | 14 | 37 | 4 | 1 | 0 | 5 | 0 | 2.05 |
| Chew, L | Wen | 8 | 6 | 0 | 44.0 | 35 | 14 | 11 | 8 | 35 | 2 | 2 | 2 | 6 | 0 | 2.25 |
| Cockrell, C | Kel | 14 | 11 | 1 | 70.1 | 67 | 25 | 18 | 15 | 32 | 7 | 3 | 0 | 8 | 0 | 2.30 |
| Merten, M | KF | 14 | 8 | 0 | 49.2 | 45 | 15 | 13 | 11 | 47 | 5 | 1 | 0 | 9 | 0 | 2.36 |
| Irvin, C | Cow | 11 | 9 | 0 | 56.1 | 53 | 19 | 16 | 19 | 47 | 5 | 1 | 1 | 11 | 1 | 2.56 |
| Kerns, B | Wen | 14 | 10 | 1 | 63.1 | 61 | 28 | 18 | 16 | 43 | 4 | 2 | 1 | 11 | 2 | 2.56 |
| Callahan, D | Wen | 12 | 11 | 1 | 62.2 | 56 | 20 | 18 | 20 | 56 | 6 | 2 | 0 | 7 | 1 | 2.59 |
| Coshow, C | Kel | 15 | 9 | 0 | 62.1 | 64 | 26 | 19 | 33 | 38 | 3 | 4 | 0 | 11 | 1 | 2.74 |
| Perez, J | Corv | 8 | 7 | 1 | 45.1 | 47 | 17 | 14 | 5 | 30 | 3 | 3 | 0 | 10 | 1 | 2.78 |
| Arlt, J | WW | 18 | 5 | 0 | 55.2 | 55 | 22 | 18 | 18 | 41 | 3 | 2 | 0 | 11 | 0 | 2.91 |
| Gillies, D | Bend | 11 | 10 | 1 | 51.0 | 49 | 20 | 17 | 22 | 39 | 4 | 3 | 0 | 9 | 0 | 3.00 |
| Murray, M | Cow | 10 | 10 | 0 | 54.1 | 50 | 24 | 19 | 21 | 49 | 4 | 4 | 0 | 10 | 0 | 3.15 |
| Fisher, J | Bel | 9 | 9 | 1 | 56.0 | 54 | 25 | 20 | 21 | 39 | 4 | 3 | 0 | 8 | 1 | 3.21 |
| Hartnett, S | Bel | 11 | 8 | 0 | 51.2 | 36 | 24 | 19 | 18 | 45 | 3 | 4 | 0 | 7 | 0 | 3.31 |
| Marris, B | Kel | 13 | 10 | 2 | 70.2 | 56 | 26 | 26 | 22 | 48 | 7 | 3 | 0 | 11 | 1 | 3.31 |
| Olson, A | Bel | 10 | 10 | 2 | 59.1 | 59 | 24 | 22 | 18 | 25 | 5 | 3 | 0 | 7 | 0 | 3.34 |
| Roberts, T | WW | 10 | 9 | 0 | 56.1 | 55 | 23 | 21 | 24 | 29 | 2 | 4 | 0 | 9 | 1 | 3.36 |
| Clough, B | KF | 12 | 10 | 0 | 54.1 | 50 | 38 | 22 | 20 | 44 | 2 | 6 | 0 | 12 | 0 | 3.64 |
| Lubking, T | Wen | 11 | 10 | 0 | 46.0 | 44 | 24 | 19 | 23 | 35 | 2 | 1 | 0 | 5 | 2 | 3.72 |
| Galusha, L | Cow | 13 | 10 | 0 | 58.2 | 63 | 35 | 27 | 18 | 30 | 2 | 4 | 1 | 12 | 0 | 4.14 |
| Bunda, J | Bend | 14 | 9 | 0 | 58.0 | 47 | 30 | 28 | 20 | 38 | 4 | 5 | 0 | 8 | 1 | 4.35 |
| Williams, B | KF | 26 | 4 | 0 | 55.0 | 54 | 30 | 27 | 22 | 47 | 3 | 3 | 1 | 8 | 0 | 4.42 |
| Fewel, S | Kits | 8 | 8 | 0 | 45.2 | 58 | 32 | 23 | 18 | 17 | 2 | 4 | 0 | 6 | 0 | 4.53 |
| Bunch, N | KF | 21 | 6 | 0 | 56.0 | 63 | 38 | 30 | 16 | 53 | 0 | 3 | 1 | 10 | 0 | 4.82 |