| SP | Castillo, L.Castillo, Luis >> | 26 | 2019 | R | 89 | 19 | 19 | 5 | 7 | 4.37 | .297 | 1.23 | 7.2 | 3.9 | 11.3 | 117.1 | 93 | 61 | 57 | 18 | 51 | 147 | 0 | 0 | 0 | 0 | 11 | 5 | 1 | 3.92 |
| SP | Cueto, J.Cueto, Johnny >> | 33 | 2019 | R | 75 | 19 | 19 | 2 | 4 | 3.36 | .291 | 1.21 | 6.8 | 4.1 | 8.3 | 91.0 | 69 | 35 | 34 | 8 | 41 | 84 | 0 | 0 | 0 | 0 | 4 | 2 | 2 | 3.71 |
| SP | Pruitt, A.Pruitt, Austin >> | 29 | 2019 | R | 62 | 18 | 18 | 4 | 4 | 4.05 | .293 | 1.21 | 8.4 | 2.5 | 8.2 | 91.0 | 85 | 46 | 41 | 13 | 25 | 83 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 3.96 |
| SP | Mikolas, M.Mikolas, Miles # >> | 30 | 2019 | R | 60 | 16 | 16 | 5 | 5 | 5.54 | .325 | 1.42 | 9.8 | 3.1 | 7.6 | 92.2 | 100 | 62 | 57 | 18 | 32 | 78 | 0 | 0 | 0 | 0 | 8 | 2 | 4 | 4.96 |
| SP | Mahle, T.Mahle, Tyler # + >> | 24 | 2019 | R | 51 | 16 | 11 | 2 | 5 | 5.68 | .320 | 1.41 | 9.3 | 3.5 | 9.3 | 52.1 | 54 | 35 | 33 | 12 | 20 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5.08 |
| CL | Chapman, A.Chapman, Aroldis >> | 31 | 2019 | L | 94 | 35 | 0 | 5 | 5 | 3.50 | .299 | 1.25 | 7.0 | 4.3 | 8.5 | 36.0 | 28 | 14 | 14 | 5 | 17 | 34 | 0 | 14 | 3 | 0 | 0 | 1 | 1 | 4.42 |
| RP | Martin, C.Martin, Chris >> | 33 | 2019 | R | 83 | 53 | 0 | 7 | 6 | 4.70 | .319 | 1.35 | 10.5 | 1.8 | 11.2 | 61.1 | 71 | 33 | 32 | 15 | 12 | 76 | 0 | 1 | 3 | 0 | 0 | 3 | 0 | 4.44 |
| RP | Iglesias, R.Iglesias, Raisel >> | 29 | 2019 | R | 77 | 38 | 0 | 1 | 3 | 3.29 | .281 | 1.12 | 8.1 | 2.1 | 13.5 | 38.1 | 34 | 14 | 14 | 3 | 9 | 57 | 0 | 2 | 1 | 0 | 0 | 2 | 3 | 1.89 |
| RP | Hardy, B.Hardy, Blaine >> | 32 | 2019 | L | 72 | 58 | 0 | 2 | 1 | 3.20 | .302 | 1.27 | 7.4 | 4.2 | 6.2 | 39.1 | 32 | 14 | 14 | 3 | 18 | 27 | 0 | 0 | 2 | 0 | 0 | 1 | 3 | 4.08 |
| RP | Perez, O.Perez, Oliver >> | 38 | 2019 | L | 69 | 35 | 0 | 0 | 2 | 6.04 | .346 | 1.52 | 10.0 | 3.9 | 12.9 | 28.1 | 31 | 19 | 19 | 5 | 12 | 40 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 3.96 |