| SP | Mathewson, C.Mathewson, Christy † | Grasshoppers | R | 159.0 | 30 | 30 | 21 | 7 | 3.04 | .275 | 1.12 | 8.1 | 2.1 | 4.7 | 228.1 | 204 | 82 | 77 | 18 | 52 | 119 | 9 | 0 | 0 | 1 | 21 | 4 | 2 | 3.72 |
| SP | Alexander, P.Alexander, Pete † | Bombers | R | 141.0 | 30 | 30 | 17 | 4 | 3.19 | .251 | 0.99 | 6.6 | 2.4 | 5.6 | 214.1 | 157 | 77 | 76 | 15 | 56 | 134 | 6 | 0 | 0 | 5 | 20 | 3 | 1 | 3.49 |
| CL | Kimbrel, C.Kimbrel, Craig | Blue Grass | R | 134.0 | 71 | 0 | 10 | 7 | 3.11 | .271 | 1.09 | 6.5 | 3.4 | 9.2 | 75.1 | 54 | 27 | 26 | 8 | 28 | 77 | 0 | 32 | 3 | 0 | 0 | 2 | 4 | 3.53 |
| CL | Doolittle, S.Doolittle, Sean † | Bears | L | 123.0 | 65 | 0 | 8 | 6 | 2.66 | .276 | 1.11 | 7.0 | 3.0 | 8.6 | 71.0 | 55 | 22 | 21 | 5 | 24 | 68 | 0 | 30 | 3 | 0 | 0 | 2 | 2 | 3.10 |
| SP | Fernandez, S.Fernandez, Sid † | HOGS | L | 116.0 | 28 | 28 | 15 | 9 | 3.01 | .304 | 1.28 | 7.3 | 4.2 | 8.4 | 191.1 | 154 | 68 | 64 | 14 | 90 | 178 | 2 | 0 | 0 | 1 | 19 | 7 | 3 | 3.61 |
| SP | Fernandez, J.Fernandez, Jose | Bombers | R | 115.0 | 29 | 29 | 15 | 5 | 3.24 | .297 | 1.26 | 6.5 | 4.8 | 7.1 | 188.2 | 136 | 73 | 68 | 17 | 101 | 149 | 2 | 0 | 0 | 0 | 16 | 2 | 1 | 4.23 |
| SP | Coveleski, S.Coveleski, Stan # | Grasshoppers | R | 105.0 | 28 | 28 | 15 | 6 | 3.34 | .284 | 1.19 | 8.0 | 2.7 | 4.4 | 185.2 | 165 | 71 | 69 | 8 | 56 | 91 | 1 | 0 | 0 | 1 | 18 | 0 | 3 | 3.49 |