| SP | Paddack, C.Paddack, Chris >> | 23 | 2019 | R | 97 | 20 | 20 | 9 | 9 | 3.93 | .282 | 1.17 | 7.8 | 2.7 | 11.9 | 119.0 | 103 | 53 | 52 | 20 | 36 | 157 | 0 | 0 | 0 | 0 | 10 | 1 | 1 | 3.48 |
| SP | Greinke, Z.Greinke, Zack >> | 36 | 2019 | R | 88 | 19 | 19 | 8 | 3 | 4.25 | .300 | 1.26 | 8.7 | 2.6 | 8.1 | 127.0 | 123 | 64 | 60 | 22 | 37 | 114 | 0 | 0 | 0 | 0 | 9 | 3 | 1 | 4.40 |
| SP | Weaver, L.Weaver, Luke # >> | 25 | 2019 | R | 85 | 19 | 19 | 5 | 9 | 4.40 | .293 | 1.21 | 8.8 | 2.2 | 11.1 | 108.1 | 105 | 56 | 53 | 17 | 26 | 133 | 0 | 0 | 0 | 0 | 7 | 4 | 0 | 3.42 |
| SP | Canning, G.Canning, Griffin >> | 23 | 2019 | R | 71 | 18 | 18 | 3 | 6 | 5.62 | .343 | 1.55 | 10.5 | 3.6 | 9.8 | 91.1 | 106 | 60 | 57 | 20 | 36 | 99 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 4.90 |
| RP | Stephenson, R.Stephenson, Robert >> | 26 | 2019 | R | 86 | 50 | 0 | 1 | 3 | 3.86 | .313 | 1.33 | 7.9 | 4.1 | 12.1 | 63.0 | 55 | 28 | 27 | 8 | 29 | 85 | 0 | 4 | 5 | 0 | 0 | 2 | 3 | 3.43 |
| RP | Moronta, R.Moronta, Reyes >> | 26 | 2019 | R | 61 | 39 | 0 | 0 | 2 | 4.09 | .356 | 1.66 | 8.2 | 6.8 | 9.4 | 44.0 | 40 | 21 | 20 | 6 | 33 | 46 | 0 | 4 | 2 | 0 | 0 | 0 | 3 | 4.93 |
| SP | Sanchez, A.Sanchez, Anibal >> | 35 | 2019 | R | 53 | 2 | 0 | 0 | 0 | 43.20 | .688 | 4.80 | 45.0 | 27.0 | 27.0 | 1.2 | 5 | 8 | 8 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 15.00 |
| SP | Berrios, J.Berrios, Jose >> | 25 | 2019 | R | 60 | 22 | 0 | 4 | 5 | 7.88 | .373 | 1.78 | 12.1 | 3.9 | 6.5 | 32.0 | 43 | 29 | 28 | 9 | 14 | 23 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6.53 |