| SP | Arrieta, J.Arrieta, Jake † | Sloths | R | 183.0 | 38 | 38 | 21 | 9 | 2.82 | .276 | 1.11 | 7.1 | 2.9 | 8.9 | 271.2 | 215 | 88 | 85 | 23 | 86 | 267 | 7 | 0 | 0 | 2 | 26 | 9 | 4 | 3.18 |
| SP | Martinez, P.Martinez, Pedro † | Revolution | R | 137.0 | 35 | 35 | 16 | 11 | 3.29 | .270 | 1.10 | 7.4 | 2.5 | 8.8 | 252.0 | 207 | 93 | 92 | 25 | 71 | 247 | 7 | 0 | 0 | 4 | 23 | 1 | 2 | 3.19 |
| SP | Johnson, R.Johnson, Randy | Horses | L | 124.0 | 32 | 32 | 15 | 12 | 3.06 | .284 | 1.15 | 7.8 | 2.6 | 9.5 | 235.2 | 204 | 92 | 80 | 23 | 68 | 248 | 3 | 0 | 0 | 0 | 23 | 9 | 8 | 3.14 |
| SP | Greinke, Z.Greinke, Zack † | Bulldogs | R | 115.0 | 34 | 34 | 16 | 11 | 3.42 | .297 | 1.25 | 8.2 | 3.1 | 7.1 | 226.1 | 205 | 87 | 86 | 20 | 77 | 179 | 4 | 0 | 0 | 0 | 20 | 5 | 6 | 3.65 |
| CL | Rodney, F.Rodney, Fernando † | Revolution | R | 110.5 | 58 | 0 | 5 | 7 | 2.53 | .250 | 0.98 | 5.1 | 3.8 | 7.5 | 64.0 | 36 | 19 | 18 | 3 | 27 | 53 | 0 | 33 | 4 | 0 | 0 | 1 | 1 | 3.27 |
| CL | Broxton, J.Broxton, Jonathan # | Vikings | R | 105.0 | 81 | 0 | 7 | 10 | 5.45 | .337 | 1.51 | 7.9 | 5.7 | 9.1 | 76.0 | 67 | 47 | 46 | 13 | 48 | 77 | 0 | 38 | 7 | 0 | 0 | 1 | 0 | 5.13 |
| SP | Flaherty, J.Flaherty, Jack # | Pigs | R | 104.0 | 32 | 32 | 13 | 7 | 3.47 | .280 | 1.14 | 7.1 | 3.1 | 10.1 | 204.2 | 162 | 88 | 79 | 21 | 71 | 230 | 0 | 0 | 0 | 0 | 21 | 6 | 2 | 3.22 |