| SP | Martinez, P.Martinez, Pedro # | 29 | EGG | R | 100 | 19 | 19 | 11 | 6 | 2.91 | .251 | 0.99 | 7.2 | 1.7 | 9.3 | 136.0 | 109 | 47 | 44 | 12 | 26 | 140 | 4 | 0 | 0 | 0 | 15 | 2 | 1 | 2.71 |
| SP | Leonard, D.Leonard, Dutch # | 22 | Warriors | L | 91 | 18 | 18 | 12 | 3 | 3.14 | .251 | 1.01 | 6.4 | 2.6 | 6.4 | 126.0 | 90 | 44 | 44 | 7 | 37 | 90 | 3 | 0 | 0 | 3 | 13 | 0 | 0 | 3.17 |
| SP | deGrom, J.deGrom, Jacob # | 33 | Knights | R | 100 | 19 | 19 | 10 | 4 | 3.58 | .279 | 1.14 | 7.8 | 2.4 | 10.0 | 123.1 | 107 | 53 | 49 | 15 | 33 | 137 | 0 | 0 | 0 | 0 | 14 | 3 | 0 | 3.24 |
| RP | Kimbrel, C.Kimbrel, Craig | 24 | Bombers | R | 100 | 48 | 0 | 2 | 1 | 2.42 | .277 | 1.10 | 6.0 | 3.9 | 10.1 | 67.0 | 45 | 19 | 18 | 7 | 29 | 75 | 0 | 7 | 0 | 0 | 0 | 3 | 5 | 3.55 |
| RP | Benoit, J.Benoit, Joaquin | 33 | Horses | R | 95 | 49 | 0 | 6 | 4 | 4.61 | .310 | 1.34 | 8.9 | 3.2 | 8.4 | 70.1 | 69 | 37 | 36 | 9 | 25 | 65 | 0 | 5 | 3 | 0 | 0 | 1 | 1 | 3.93 |
| CL | Chapman, A.Chapman, Aroldis | 26 | Blue Sox | L | 93 | 41 | 0 | 5 | 2 | 2.06 | .251 | 0.96 | 5.7 | 3.1 | 11.5 | 43.2 | 27 | 10 | 10 | 4 | 15 | 55 | 0 | 21 | 1 | 0 | 0 | 2 | 1 | 2.84 |