| SP | Bauer, T.Bauer, Trevor >> | 27 | 2018 | R | 93 | 11 | 11 | 2 | 7 | 3.99 | .302 | 1.26 | 7.7 | 3.8 | 11.4 | 67.2 | 57 | 33 | 30 | 1 | 28 | 85 | 0 | 0 | 0 | 0 | 6 | 3 | 3 | 2.04 |
| SP | Buchholz, C.Buchholz, Clay >> | 34 | 2018 | R | 89 | 10 | 10 | 3 | 5 | 5.73 | .329 | 1.47 | 11.6 | 1.6 | 7.7 | 55.0 | 71 | 35 | 35 | 7 | 10 | 47 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 3.49 |
| SP | Clevinger, M.Clevinger, Mike >> | 27 | 2018 | R | 81 | 10 | 10 | 2 | 4 | 6.47 | .368 | 1.68 | 10.5 | 4.9 | 10.7 | 48.2 | 56 | 37 | 35 | 10 | 26 | 57 | 0 | 0 | 0 | 0 | 3 | 3 | 1 | 5.15 |
| SP | Eovaldi, N.Eovaldi, Nathan >> | 28 | 2018 | R | 71 | 10 | 10 | 2 | 6 | 8.79 | .403 | 2.00 | 14.1 | 3.9 | 8.1 | 42.0 | 66 | 42 | 41 | 10 | 18 | 38 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 5.64 |
| SP | Chacin, J.Chacin, Jhoulys >> | 30 | 2018 | R | 78 | 10 | 10 | 4 | 1 | 4.79 | .345 | 1.51 | 10.1 | 3.5 | 5.9 | 56.1 | 63 | 32 | 30 | 8 | 22 | 37 | 0 | 0 | 0 | 0 | 1 | 4 | 1 | 4.93 |
| RP | Knebel, C.Knebel, Corey >> | 26 | 2018 | R | 83 | 30 | 0 | 1 | 1 | 4.04 | .318 | 1.35 | 8.5 | 3.9 | 11.6 | 35.2 | 33 | 17 | 16 | 3 | 15 | 45 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3.00 |
| RP | Peacock, B.Peacock, Brad >> | 30 | 2018 | R | 65 | 27 | 0 | 2 | 1 | 4.73 | .340 | 1.52 | 10.4 | 3.4 | 11.0 | 32.1 | 37 | 18 | 17 | 5 | 12 | 39 | 0 | 1 | 4 | 0 | 0 | 1 | 1 | 3.81 |
| RP | Harris, W.Harris, Will >> | 33 | 2018 | R | 66 | 23 | 0 | 0 | 1 | 5.68 | .350 | 1.62 | 13.0 | 1.8 | 12.6 | 25.1 | 36 | 19 | 16 | 5 | 5 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3.40 |
| SU | Chapman, A.Chapman, Aroldis >> | 30 | 2018 | L | 92 | 21 | 0 | 0 | 3 | 4.19 | .318 | 1.40 | 7.6 | 5.2 | 12.8 | 19.1 | 16 | 9 | 9 | 2 | 11 | 27 | 0 | 0 | 2 | 0 | 0 | 0 | 6 | 3.26 |
| RP | Rogers, T.Rogers, Taylor >> | 27 | 2018 | L | 90 | 22 | 0 | 1 | 1 | 4.79 | .386 | 1.84 | 14.0 | 3.2 | 9.0 | 20.2 | 31 | 11 | 11 | 2 | 7 | 20 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.50 |