| SP | Foltynewicz, M.Foltynewicz, Michael >> | 27 | 2019 | R | 66 | 20 | 20 | 6 | 3 | 3.88 | .316 | 1.31 | 8.4 | 3.5 | 7.9 | 111.1 | 103 | 48 | 48 | 15 | 43 | 97 | 0 | 0 | 0 | 0 | 8 | 8 | 7 | 4.39 |
| SP | Hamels, C.Hamels, Cole >> | 36 | 2019 | L | 46 | 17 | 17 | 6 | 8 | 4.29 | .329 | 1.42 | 8.7 | 4.1 | 10.8 | 92.1 | 89 | 45 | 44 | 9 | 42 | 110 | 0 | 0 | 0 | 0 | 4 | 5 | 1 | 3.41 |
| SP | Brooks, A.Brooks, Aaron # + >> | 29 | 2019 | R | 36 | 14 | 13 | 4 | 3 | 5.63 | .317 | 1.38 | 9.6 | 2.8 | 8.3 | 64.0 | 68 | 41 | 40 | 17 | 20 | 59 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 5.59 |
| SU | Neris, H.Neris, Hector >> | 30 | 2019 | R | 95 | 36 | 0 | 1 | 2 | 3.99 | .258 | 1.02 | 5.7 | 3.6 | 10.7 | 38.1 | 24 | 17 | 17 | 5 | 15 | 45 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 3.61 |
| RP | Lorenzen, M.Lorenzen, Michael >> | 27 | 2019 | R | 81 | 57 | 0 | 7 | 1 | 2.05 | .237 | 0.91 | 3.8 | 4.4 | 9.4 | 61.1 | 26 | 14 | 14 | 5 | 30 | 64 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 3.49 |
| RP | Suarez, R.Suarez, Ranger + >> | 23 | 2019 | L | 45 | 54 | 0 | 0 | 3 | 4.62 | .327 | 1.46 | 9.0 | 4.1 | 9.7 | 37.0 | 37 | 19 | 19 | 5 | 17 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.97 |
| RP | Dominguez, S.Dominguez, Seranthony >> | 24 | 2019 | R | 45 | 42 | 0 | 0 | 1 | 4.84 | .302 | 1.30 | 7.4 | 4.5 | 12.3 | 44.2 | 36 | 24 | 24 | 9 | 22 | 60 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 4.43 |
| RP | Garcia, L.Garcia, Luis >> | 32 | 2019 | R | 39 | 32 | 0 | 0 | 0 | 3.98 | .340 | 1.52 | 8.1 | 5.8 | 8.4 | 31.2 | 28 | 17 | 14 | 6 | 20 | 29 | 0 | 3 | 1 | 0 | 0 | 1 | 3 | 5.68 |
| RP | Pivetta, N.Pivetta, Nick >> | 26 | 2019 | R | 32 | 29 | 0 | 5 | 0 | 3.91 | .340 | 1.53 | 10.0 | 3.9 | 8.5 | 73.2 | 81 | 35 | 32 | 12 | 32 | 69 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4.60 |