| CL | Feliz, N.Feliz, Neftali † | Hats | R | 139.0 | 68 | 0 | 5 | 10 | 3.07 | .261 | 1.06 | 6.0 | 3.6 | 9.4 | 76.1 | 51 | 26 | 26 | 9 | 30 | 79 | 0 | 46 | 3 | 0 | 0 | 0 | 0 | 3.64 |
| CL | Doolittle, S.Doolittle, Sean † | Hitmen | L | 127.0 | 56 | 0 | 0 | 1 | 2.36 | .284 | 1.17 | 8.1 | 2.6 | 10.5 | 49.2 | 44 | 13 | 13 | 5 | 14 | 57 | 0 | 46 | 4 | 0 | 0 | 1 | 1 | 2.92 |
| SP | deGrom, J.deGrom, Jacob † | Lions | R | 121.0 | 31 | 31 | 17 | 7 | 3.58 | .273 | 1.11 | 7.6 | 2.4 | 9.4 | 208.2 | 176 | 87 | 83 | 26 | 55 | 218 | 0 | 0 | 0 | 0 | 21 | 4 | 0 | 3.38 |
| CL | Kimbrel, C.Kimbrel, Craig † | Texans | R | 115.0 | 54 | 0 | 0 | 3 | 2.26 | .251 | 0.99 | 5.8 | 3.2 | 10.4 | 51.2 | 33 | 13 | 13 | 4 | 18 | 59 | 0 | 42 | 3 | 0 | 0 | 1 | 3 | 2.82 |
| SP | Leonard, D.Leonard, Dutch | Hitmen | L | 106.0 | 30 | 30 | 16 | 7 | 3.48 | .279 | 1.15 | 7.5 | 2.8 | 5.0 | 191.1 | 160 | 80 | 74 | 17 | 60 | 107 | 0 | 0 | 0 | 0 | 17 | 2 | 5 | 4.01 |