| SP | Castillo, L.Castillo, Luis >> | 26 | 2019 | R | 89 | 36 | 36 | 9 | 15 | 4.49 | .299 | 1.25 | 7.4 | 3.9 | 10.9 | 222.2 | 183 | 115 | 111 | 41 | 95 | 270 | 0 | 0 | 0 | 0 | 21 | 7 | 4 | 4.35 |
| SP | Cueto, J.Cueto, Johnny >> | 33 | 2019 | R | 75 | 37 | 36 | 8 | 9 | 3.39 | .294 | 1.24 | 7.3 | 3.9 | 8.7 | 175.1 | 142 | 67 | 66 | 18 | 75 | 170 | 0 | 0 | 0 | 0 | 6 | 2 | 6 | 3.71 |
| SP | Pruitt, A.Pruitt, Austin >> | 29 | 2019 | R | 62 | 35 | 35 | 6 | 11 | 4.58 | .311 | 1.32 | 8.8 | 3.0 | 8.6 | 169.0 | 166 | 91 | 86 | 26 | 57 | 161 | 0 | 0 | 0 | 0 | 4 | 6 | 3 | 4.21 |
| SP | Mikolas, M.Mikolas, Miles # >> | 30 | 2019 | R | 60 | 32 | 32 | 13 | 12 | 5.14 | .323 | 1.39 | 10.0 | 2.6 | 7.5 | 185.2 | 205 | 115 | 106 | 37 | 53 | 154 | 0 | 0 | 0 | 0 | 17 | 8 | 5 | 4.92 |
| SP | Mahle, T.Mahle, Tyler # + >> | 24 | 2019 | R | 51 | 29 | 23 | 5 | 10 | 5.33 | .317 | 1.38 | 9.7 | 2.8 | 8.7 | 106.1 | 114 | 65 | 63 | 23 | 33 | 103 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4.84 |
| CL | Chapman, A.Chapman, Aroldis >> | 31 | 2019 | L | 94 | 66 | 0 | 6 | 8 | 2.70 | .291 | 1.22 | 6.0 | 5.0 | 10.4 | 66.2 | 44 | 25 | 20 | 7 | 37 | 76 | 0 | 29 | 3 | 0 | 0 | 1 | 2 | 3.80 |
| RP | Martin, C.Martin, Chris >> | 33 | 2019 | R | 83 | 99 | 0 | 10 | 7 | 3.75 | .285 | 1.14 | 8.8 | 1.5 | 11.2 | 122.1 | 119 | 53 | 51 | 24 | 21 | 152 | 0 | 1 | 3 | 0 | 0 | 6 | 0 | 3.73 |
| RP | Iglesias, R.Iglesias, Raisel >> | 29 | 2019 | R | 77 | 74 | 0 | 4 | 5 | 3.71 | .313 | 1.31 | 8.9 | 3.0 | 13.0 | 70.1 | 69 | 29 | 29 | 8 | 23 | 101 | 0 | 2 | 2 | 0 | 0 | 4 | 5 | 2.76 |
| RP | Perez, O.Perez, Oliver # >> | 38 | 2019 | L | 69 | 67 | 0 | 0 | 3 | 4.37 | .307 | 1.28 | 8.3 | 3.3 | 11.0 | 55.2 | 51 | 28 | 27 | 7 | 20 | 67 | 0 | 2 | 1 | 0 | 0 | 3 | 2 | 3.47 |
| RP | Leone, D.Leone, Dominic >> | 27 | 2019 | R | 44 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Marshall, E.Marshall, Evan + >> | 29 | 2019 | R | 64 | 21 | 0 | 0 | 1 | 3.79 | .305 | 1.26 | 6.2 | 5.2 | 8.5 | 19.0 | 13 | 9 | 8 | 1 | 11 | 18 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.68 |
| RP | Wright, K.Wright, Kyle + >> | 23 | 2019 | R | 9 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |