| SP | Krause, H.Krause, Harry # >> | 21 | 1909 | L | 78 | 19 | 19 | 9 | 4 | 4.38 | .303 | 1.28 | 9.0 | 2.5 | 5.4 | 115.0 | 115 | 57 | 56 | 15 | 32 | 69 | 2 | 0 | 0 | 1 | 8 | 3 | 1 | 4.41 |
| SP | Coombs, J.Coombs, Jack >> | 27 | 1909 | R | 41 | 19 | 18 | 11 | 3 | 4.04 | .310 | 1.30 | 8.0 | 3.8 | 5.0 | 120.1 | 107 | 55 | 54 | 8 | 50 | 67 | 1 | 0 | 0 | 0 | 11 | 5 | 1 | 4.13 |
| SP | Bender, C.Bender, Chief # >> | 25 | 1909 | R | 59 | 19 | 19 | 7 | 9 | 5.61 | .324 | 1.43 | 10.4 | 2.5 | 5.7 | 94.2 | 109 | 62 | 59 | 17 | 26 | 60 | 2 | 0 | 0 | 0 | 6 | 1 | 2 | 4.94 |
| RP | Jeffress, J.Jeffress, Jeremy >> | 30 | 2018 | R | 71 | 51 | 0 | 3 | 3 | 5.76 | .373 | 1.74 | 9.2 | 6.6 | 9.6 | 45.1 | 46 | 29 | 29 | 9 | 33 | 48 | 0 | 6 | 0 | 0 | 0 | 2 | 6 | 5.80 |
| RP | Burnes, C.Burnes, Corbin >> | 23 | 2018 | R | 58 | 37 | 0 | 3 | 3 | 3.15 | .247 | 0.99 | 7.4 | 1.6 | 6.4 | 45.2 | 37 | 19 | 16 | 7 | 8 | 32 | 0 | 2 | 1 | 0 | 0 | 0 | 3 | 4.13 |
| RP | Knebel, C.Knebel, Corey >> | 26 | 2018 | R | 55 | 26 | 0 | 0 | 2 | 3.86 | .294 | 1.25 | 6.8 | 4.7 | 9.4 | 25.2 | 19 | 11 | 11 | 3 | 13 | 26 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 4.04 |
| RP | Peralta, F.Peralta, Freddy >> | 22 | 2018 | R | 51 | 18 | 0 | 1 | 0 | 3.48 | .268 | 1.10 | 5.7 | 4.4 | 11.7 | 33.2 | 21 | 13 | 13 | 5 | 16 | 43 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.82 |
| RP | Johnson, R.Johnson, Randy >> | 33 | 1996 | L | 31 | 42 | 0 | 2 | 3 | 5.12 | .331 | 1.45 | 9.0 | 4.4 | 11.9 | 31.2 | 31 | 22 | 18 | 6 | 15 | 41 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 4.42 |
| SP | Chacin, J.Chacin, Jhoulys >> | 30 | 2018 | R | 32 | 3 | 0 | 0 | 1 | 5.14 | .276 | 1.14 | 7.7 | 2.6 | 9.0 | 7.0 | 6 | 4 | 4 | 2 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5.57 |