| CL | Chapman, A.Chapman, Aroldis † | Aces | L | 151.0 | 80 | 0 | 7 | 5 | 1.80 | .268 | 1.10 | 5.3 | 4.6 | 11.1 | 80.0 | 47 | 16 | 16 | 3 | 41 | 99 | 0 | 38 | 5 | 0 | 0 | 0 | 4 | 2.55 |
| SP | Alexander, P.Alexander, Pete † # | Metropolitans | R | 141.0 | 31 | 31 | 20 | 9 | 3.39 | .281 | 1.15 | 7.7 | 2.7 | 4.8 | 215.1 | 183 | 86 | 81 | 17 | 64 | 115 | 11 | 0 | 0 | 1 | 20 | 5 | 0 | 3.92 |
| SP | Johnson, W.Johnson, Walter † # | Bees | R | 138.0 | 32 | 32 | 18 | 10 | 3.32 | .272 | 1.11 | 8.1 | 2.0 | 4.8 | 238.2 | 214 | 91 | 88 | 20 | 52 | 126 | 11 | 0 | 0 | 3 | 19 | 2 | 3 | 3.71 |
| SP | Verlander, J.Verlander, Justin | Bulldogs | R | 117.0 | 31 | 31 | 17 | 7 | 3.75 | .287 | 1.17 | 8.1 | 2.5 | 8.2 | 201.2 | 181 | 86 | 84 | 27 | 55 | 184 | 3 | 0 | 0 | 1 | 19 | 7 | 3 | 3.84 |
| CL | Kimbrel, C.Kimbrel, Craig † | Metropolitans | R | 117.0 | 69 | 0 | 6 | 5 | 2.55 | .239 | 0.94 | 5.7 | 2.8 | 8.8 | 77.2 | 49 | 25 | 22 | 8 | 24 | 75 | 0 | 30 | 4 | 0 | 0 | 0 | 5 | 3.34 |
| SP | Mathewson, C.Mathewson, Christy | Bombers | R | 110.0 | 31 | 31 | 17 | 7 | 3.76 | .293 | 1.24 | 8.8 | 2.4 | 3.8 | 201.0 | 196 | 90 | 84 | 18 | 53 | 84 | 3 | 0 | 0 | 2 | 19 | 1 | 2 | 4.13 |
| SP | Martinez, P.Martinez, Pedro † | Demons | R | 108.0 | 31 | 31 | 14 | 10 | 3.49 | .294 | 1.23 | 8.4 | 2.6 | 8.7 | 222.0 | 208 | 93 | 86 | 30 | 65 | 215 | 3 | 0 | 0 | 1 | 23 | 4 | 1 | 3.75 |