| SP | Foltynewicz, M.Foltynewicz, Michael >> | 27 | 2019 | R | 66 | 37 | 37 | 9 | 13 | 4.71 | .323 | 1.36 | 9.1 | 3.1 | 8.0 | 198.2 | 201 | 104 | 104 | 34 | 69 | 177 | 0 | 0 | 0 | 0 | 13 | 15 | 8 | 4.72 |
| SP | Eflin, Z.Eflin, Zach # >> | 25 | 2019 | R | 40 | 34 | 34 | 9 | 16 | 5.41 | .342 | 1.52 | 10.2 | 3.5 | 7.8 | 169.2 | 192 | 111 | 102 | 36 | 66 | 147 | 0 | 0 | 0 | 0 | 7 | 6 | 3 | 5.31 |
| SP | Hamels, C.Hamels, Cole >> | 36 | 2019 | L | 46 | 31 | 31 | 11 | 11 | 3.85 | .312 | 1.32 | 8.0 | 3.8 | 9.9 | 173.0 | 154 | 76 | 74 | 19 | 74 | 191 | 0 | 0 | 0 | 0 | 10 | 7 | 1 | 3.62 |
| SP | Bassitt, C.Bassitt, Chris # >> | 30 | 2019 | R | 80 | 33 | 32 | 6 | 11 | 4.76 | .329 | 1.46 | 9.5 | 3.7 | 9.0 | 151.1 | 159 | 84 | 80 | 26 | 62 | 151 | 0 | 0 | 0 | 0 | 6 | 2 | 4 | 4.51 |
| SU | Neris, H.Neris, Hector >> | 30 | 2019 | R | 95 | 69 | 0 | 2 | 3 | 4.02 | .279 | 1.14 | 6.5 | 3.9 | 10.8 | 71.2 | 51 | 33 | 32 | 13 | 31 | 85 | 0 | 2 | 6 | 0 | 0 | 1 | 1 | 4.34 |
| CL | Lorenzen, M.Lorenzen, Michael >> | 27 | 2019 | R | 81 | 95 | 0 | 10 | 4 | 2.80 | .239 | 0.93 | 4.9 | 3.5 | 10.7 | 103.0 | 56 | 32 | 32 | 13 | 40 | 122 | 0 | 18 | 4 | 0 | 0 | 1 | 1 | 3.47 |
| RP | Suarez, R.Suarez, Ranger + >> | 23 | 2019 | L | 45 | 105 | 0 | 3 | 3 | 4.32 | .304 | 1.31 | 8.6 | 3.2 | 8.5 | 77.0 | 74 | 38 | 37 | 13 | 27 | 73 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.35 |
| RP | Dominguez, S.Dominguez, Seranthony >> | 24 | 2019 | R | 45 | 94 | 0 | 2 | 3 | 4.09 | .313 | 1.35 | 7.7 | 4.5 | 11.1 | 88.0 | 75 | 43 | 40 | 11 | 44 | 109 | 0 | 1 | 2 | 0 | 0 | 1 | 3 | 3.68 |
| RP | Garcia, L.Garcia, Luis >> | 32 | 2019 | R | 39 | 73 | 0 | 3 | 0 | 4.35 | .326 | 1.39 | 7.9 | 4.6 | 9.8 | 68.1 | 60 | 36 | 33 | 13 | 35 | 74 | 0 | 3 | 3 | 0 | 0 | 4 | 4 | 5.03 |
| RP | Pivetta, N.Pivetta, Nick >> | 26 | 2019 | R | 32 | 63 | 0 | 10 | 0 | 3.90 | .320 | 1.38 | 8.9 | 3.6 | 8.5 | 134.0 | 132 | 62 | 58 | 19 | 53 | 126 | 0 | 2 | 1 | 0 | 0 | 4 | 3 | 4.24 |
| RP | Montgomery, M.Montgomery, Mike >> | 29 | 2019 | L | 18 | 39 | 0 | 1 | 2 | 4.66 | .320 | 1.41 | 9.0 | 3.7 | 8.7 | 29.0 | 29 | 15 | 15 | 6 | 12 | 28 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5.00 |