| SP | Fernandez, J.Fernandez, Jose † | BLACK BEARS | R | 116.0 | 26 | 26 | 14 | 4 | 2.89 | .295 | 1.24 | 7.2 | 3.9 | 10.2 | 165.0 | 132 | 53 | 53 | 14 | 72 | 187 | 1 | 0 | 0 | 0 | 17 | 3 | 3 | 3.20 |
| SP | Arrieta, J.Arrieta, Jake † $$ | Rebels | R | 101.0 | 27 | 27 | 13 | 7 | 3.57 | .271 | 1.08 | 7.1 | 2.6 | 9.4 | 189.1 | 150 | 77 | 75 | 20 | 54 | 198 | 4 | 0 | 0 | 0 | 18 | 7 | 3 | 3.25 |
| CL | Hader, J.Hader, Josh † # $$ | Nightmares | L | 91.0 | 54 | 0 | 8 | 8 | 4.98 | .311 | 1.36 | 8.7 | 3.5 | 11.7 | 56.0 | 54 | 36 | 31 | 13 | 22 | 73 | 0 | 26 | 4 | 0 | 0 | 0 | 0 | 4.59 |
| SP | Hudson, D.Hudson, Daniel † # | Red Sox | R | 87.0 | 26 | 26 | 12 | 8 | 3.57 | .277 | 1.13 | 7.7 | 2.5 | 7.3 | 171.1 | 147 | 75 | 68 | 28 | 47 | 139 | 3 | 0 | 0 | 2 | 16 | 3 | 6 | 4.38 |
| SP | Cole, G.Cole, Gerrit # $$ | Pumas | R | 81.0 | 27 | 27 | 8 | 11 | 2.96 | .254 | 0.99 | 6.4 | 2.5 | 11.3 | 188.2 | 134 | 62 | 62 | 21 | 53 | 236 | 1 | 0 | 0 | 1 | 19 | 6 | 3 | 2.88 |
| CL | Kimbrel, C.Kimbrel, Craig | Pumas | R | 79.5 | 52 | 0 | 1 | 6 | 3.44 | .283 | 1.18 | 7.5 | 3.1 | 10.0 | 55.0 | 46 | 22 | 21 | 14 | 19 | 61 | 0 | 31 | 5 | 0 | 0 | 0 | 0 | 5.13 |