| SP | Clevinger, M.Clevinger, Mike >> | 28 | 2019 | R | 96 | 10 | 10 | 3 | 3 | 3.41 | .305 | 1.24 | 7.5 | 3.8 | 9.3 | 60.2 | 50 | 24 | 23 | 7 | 25 | 62 | 0 | 0 | 0 | 0 | 6 | 5 | 0 | 3.95 |
| SP | Greinke, Z.Greinke, Zack >> | 36 | 2019 | R | 88 | 10 | 10 | 6 | 3 | 2.86 | .277 | 1.14 | 8.2 | 2.0 | 8.6 | 66.0 | 60 | 21 | 21 | 5 | 15 | 63 | 1 | 0 | 0 | 1 | 7 | 1 | 1 | 2.80 |
| SP | Quantrill, C.Quantrill, Cal # >> | 24 | 2019 | R | 43 | 10 | 10 | 1 | 1 | 5.24 | .340 | 1.48 | 10.4 | 3.1 | 8.8 | 44.2 | 51 | 26 | 26 | 6 | 15 | 43 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 4.05 |
| RP | Duffey, T.Duffey, Tyler >> | 28 | 2019 | R | 85 | 25 | 0 | 3 | 0 | 8.89 | .401 | 1.91 | 13.5 | 3.9 | 11.6 | 28.1 | 42 | 28 | 28 | 8 | 12 | 36 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 5.75 |
| RP | Ramirez, N.Ramirez, Noe >> | 29 | 2019 | R | 67 | 28 | 0 | 1 | 1 | 5.77 | .340 | 1.49 | 10.3 | 3.2 | 11.6 | 34.1 | 39 | 22 | 22 | 10 | 12 | 44 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 5.47 |
| RP | Feliz, M.Feliz, Michael >> | 26 | 2019 | R | 66 | 21 | 0 | 0 | 0 | 8.44 | .402 | 2.02 | 11.6 | 6.9 | 10.7 | 21.1 | 27 | 20 | 20 | 7 | 16 | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7.24 |