| SP | Kershaw, C.Kershaw, Clayton >> | 28 | 2016 | L | 99 | 36 | 36 | 19 | 11 | 3.05 | .259 | 1.04 | 7.7 | 1.7 | 7.7 | 247.2 | 211 | 87 | 84 | 27 | 46 | 212 | 6 | 0 | 0 | 3 | 24 | 3 | 2 | 3.30 |
| SP | Kluber, C.Kluber, Corey # >> | 31 | 2017 | R | 90 | 34 | 34 | 16 | 10 | 3.86 | .294 | 1.24 | 8.7 | 2.5 | 8.8 | 221.1 | 213 | 99 | 95 | 25 | 61 | 215 | 5 | 0 | 0 | 0 | 22 | 3 | 5 | 3.39 |
| SP | Chesbro, J.Chesbro, Jack >> | 30 | 1904 | R | 65 | 33 | 33 | 7 | 14 | 5.21 | .358 | 1.66 | 11.3 | 3.6 | 4.6 | 183.0 | 230 | 123 | 106 | 29 | 74 | 94 | 2 | 0 | 0 | 2 | 13 | 2 | 9 | 5.28 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 105 | 0 | 14 | 3 | 3.19 | .290 | 1.17 | 7.0 | 3.6 | 7.9 | 129.2 | 100 | 49 | 46 | 13 | 52 | 113 | 0 | 0 | 4 | 0 | 0 | 7 | 5 | 3.93 |
| SU | Hoffman, T.Hoffman, Trevor # >> | 31 | 1998 | R | 75 | 90 | 0 | 1 | 7 | 4.74 | .338 | 1.49 | 9.2 | 4.3 | 9.6 | 98.2 | 100 | 53 | 52 | 10 | 47 | 105 | 0 | 4 | 8 | 0 | 0 | 4 | 4 | 3.74 |
| CL | Gagne, E.Gagne, Eric † >> | 27 | 2003 | R | 98 | 88 | 0 | 4 | 3 | 2.86 | .272 | 1.11 | 6.3 | 3.7 | 10.5 | 94.1 | 66 | 32 | 30 | 8 | 39 | 110 | 0 | 44 | 6 | 0 | 0 | 1 | 1 | 3.04 |