| SP | Scherzer, M.Scherzer, Max >> | 35 | 2019 | R | 94 | 20 | 20 | 5 | 10 | 4.43 | .323 | 1.37 | 10.1 | 2.3 | 11.8 | 126.0 | 141 | 68 | 62 | 21 | 32 | 165 | 0 | 0 | 0 | 0 | 9 | 7 | 0 | 3.48 |
| SP | Peacock, B.Peacock, Brad >> | 31 | 2019 | R | 78 | 19 | 19 | 3 | 4 | 3.76 | .293 | 1.24 | 8.6 | 2.7 | 11.7 | 83.2 | 79 | 36 | 35 | 14 | 25 | 108 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.49 |
| SP | Marquez, G.Marquez, German # >> | 24 | 2019 | R | 61 | 18 | 18 | 5 | 7 | 4.08 | .308 | 1.30 | 9.5 | 2.2 | 11.9 | 110.1 | 116 | 53 | 50 | 20 | 27 | 145 | 0 | 0 | 0 | 0 | 10 | 4 | 3 | 3.57 |
| RP | Britton, Z.Britton, Zach >> | 31 | 2019 | L | 76 | 52 | 0 | 3 | 2 | 2.61 | .305 | 1.29 | 6.8 | 4.8 | 7.8 | 69.0 | 52 | 21 | 20 | 5 | 37 | 60 | 0 | 3 | 3 | 0 | 0 | 2 | 4 | 3.90 |
| RP | Suero, W.Suero, Wander >> | 27 | 2019 | R | 52 | 42 | 0 | 1 | 7 | 6.80 | .350 | 1.57 | 10.7 | 3.6 | 10.5 | 47.2 | 56 | 36 | 36 | 10 | 19 | 55 | 0 | 4 | 5 | 0 | 0 | 2 | 1 | 4.77 |
| RP | Diekman, J.Diekman, Jake >> | 32 | 2019 | L | 44 | 40 | 0 | 3 | 4 | 6.91 | .346 | 1.39 | 8.3 | 4.4 | 10.1 | 41.2 | 38 | 32 | 32 | 11 | 20 | 46 | 0 | 6 | 2 | 0 | 0 | 8 | 3 | 6.29 |
| SP | Quantrill, C.Quantrill, Cal >> | 24 | 2019 | R | 42 | 2 | 0 | 0 | 0 | 18.90 | .600 | 4.50 | 36.0 | 9.0 | 9.0 | 3.1 | 12 | 9 | 7 | 2 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12.67 |
| SP | Tanaka, M.Tanaka, Masahiro >> | 30 | 2019 | R | 50 | 17 | 0 | 1 | 4 | 2.86 | .286 | 1.20 | 9.0 | 1.9 | 7.7 | 28.1 | 28 | 11 | 9 | 7 | 6 | 24 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5.18 |