| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 98 | 38 | 38 | 18 | 9 | 3.55 | .298 | 1.22 | 7.9 | 3.1 | 10.8 | 238.1 | 210 | 97 | 94 | 21 | 81 | 286 | 0 | 0 | 0 | 0 | 22 | 12 | 6 | 2.92 |
| SP | Weaver, L.Weaver, Luke >> | 25 | 2019 | R | 89 | 36 | 36 | 11 | 10 | 3.63 | .303 | 1.26 | 8.7 | 2.6 | 10.7 | 198.1 | 192 | 80 | 80 | 25 | 57 | 235 | 0 | 0 | 0 | 0 | 14 | 10 | 0 | 3.28 |
| SP | Poncedeleon, D.Poncedeleon, Daniel >> | 27 | 2019 | R | 77 | 35 | 35 | 7 | 9 | 4.25 | .312 | 1.29 | 6.4 | 5.2 | 9.8 | 165.0 | 117 | 80 | 78 | 25 | 96 | 179 | 0 | 0 | 0 | 0 | 4 | 11 | 3 | 4.75 |
| SP | Hudson, D.Hudson, Dakota # >> | 24 | 2019 | R | 47 | 26 | 26 | 11 | 7 | 4.39 | .326 | 1.40 | 7.9 | 4.7 | 7.4 | 139.1 | 122 | 70 | 68 | 16 | 73 | 114 | 0 | 0 | 0 | 0 | 9 | 7 | 3 | 4.58 |
| CL | Hicks, J.Hicks, Jordan >> | 22 | 2019 | R | 98 | 70 | 0 | 4 | 6 | 1.60 | .258 | 1.02 | 5.9 | 3.3 | 10.4 | 78.2 | 51 | 16 | 14 | 6 | 29 | 90 | 0 | 31 | 4 | 0 | 0 | 2 | 4 | 2.88 |
| RP | Brebbia, J.Brebbia, John >> | 29 | 2019 | R | 82 | 88 | 0 | 6 | 6 | 3.82 | .269 | 1.06 | 6.0 | 3.6 | 9.9 | 125.0 | 83 | 54 | 53 | 19 | 50 | 138 | 0 | 2 | 4 | 0 | 0 | 5 | 0 | 4.09 |
| RP | Martinez, C.Martinez, Carlos >> | 28 | 2019 | R | 81 | 70 | 0 | 5 | 3 | 2.88 | .267 | 1.07 | 6.1 | 3.5 | 10.3 | 84.1 | 57 | 28 | 27 | 7 | 33 | 96 | 0 | 3 | 2 | 0 | 0 | 2 | 2 | 3.05 |
| RP | Ottavino, A.Ottavino, Adam >> | 33 | 2019 | R | 79 | 72 | 0 | 5 | 3 | 3.15 | .316 | 1.33 | 7.4 | 4.7 | 11.0 | 71.1 | 58 | 27 | 25 | 10 | 37 | 87 | 0 | 2 | 4 | 0 | 0 | 4 | 4 | 4.11 |
| RP | Helsley, R.Helsley, Ryan + >> | 24 | 2019 | R | 61 | 59 | 0 | 9 | 3 | 2.40 | .260 | 1.04 | 5.8 | 3.6 | 8.0 | 82.2 | 53 | 27 | 22 | 9 | 33 | 73 | 0 | 1 | 1 | 0 | 0 | 1 | 3 | 3.89 |
| SP | Estrada, M.Estrada, Marco >> | 36 | 2019 | R | 45 | 8 | 0 | 0 | 1 | 2.70 | .318 | 1.40 | 9.0 | 3.6 | 6.3 | 10.0 | 10 | 4 | 3 | 2 | 4 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5.40 |
| SP | Roark, T.Roark, Tanner >> | 32 | 2019 | R | 37 | 33 | 0 | 8 | 3 | 5.31 | .328 | 1.43 | 10.3 | 2.5 | 8.4 | 117.0 | 134 | 69 | 69 | 24 | 33 | 109 | 0 | 1 | 0 | 0 | 0 | 4 | 2 | 4.75 |