| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 98 | 25 | 25 | 13 | 5 | 3.79 | .285 | 1.18 | 7.6 | 3.0 | 9.9 | 142.2 | 120 | 61 | 60 | 15 | 48 | 156 | 0 | 0 | 0 | 0 | 17 | 3 | 5 | 3.25 |
| SP | Civale, A.Civale, Aaron >> | 24 | 2019 | R | 89 | 22 | 22 | 11 | 4 | 4.53 | .294 | 1.22 | 8.6 | 2.4 | 7.4 | 133.0 | 127 | 73 | 67 | 24 | 35 | 109 | 0 | 0 | 0 | 0 | 12 | 4 | 1 | 4.59 |
| SP | Soroka, M.Soroka, Mike † >> | 21 | 2019 | R | 79 | 21 | 21 | 9 | 2 | 3.74 | .295 | 1.25 | 8.5 | 2.7 | 6.6 | 132.1 | 125 | 65 | 55 | 25 | 40 | 97 | 2 | 0 | 0 | 0 | 12 | 1 | 0 | 4.92 |
| SP | Samardzija, J.Samardzija, Jeff >> | 34 | 2019 | R | 82 | 13 | 12 | 6 | 3 | 3.95 | .299 | 1.27 | 8.9 | 2.6 | 8.4 | 79.2 | 78 | 35 | 35 | 14 | 23 | 74 | 1 | 0 | 0 | 1 | 5 | 1 | 0 | 4.34 |
| CL | Colome, A.Colome, Alex † >> | 30 | 2019 | R | 86 | 46 | 0 | 2 | 6 | 4.11 | .317 | 1.37 | 7.0 | 5.3 | 7.0 | 46.0 | 36 | 22 | 21 | 4 | 27 | 36 | 0 | 27 | 5 | 0 | 0 | 1 | 0 | 4.39 |
| RP | Stephenson, R.Stephenson, Robert >> | 26 | 2019 | R | 92 | 63 | 0 | 5 | 2 | 2.48 | .298 | 1.26 | 6.4 | 5.0 | 11.1 | 69.0 | 49 | 23 | 19 | 7 | 38 | 85 | 0 | 2 | 2 | 0 | 0 | 1 | 3 | 3.55 |
| SU | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 99 | 51 | 0 | 1 | 2 | 4.33 | .232 | 0.87 | 5.5 | 2.3 | 10.7 | 54.0 | 33 | 26 | 26 | 12 | 14 | 64 | 0 | 6 | 4 | 0 | 0 | 2 | 2 | 4.41 |
| RP | Duffey, T.Duffey, Tyler >> | 28 | 2019 | R | 91 | 50 | 0 | 5 | 2 | 2.65 | .258 | 1.02 | 7.1 | 2.2 | 10.9 | 57.2 | 45 | 20 | 17 | 7 | 14 | 69 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 2.96 |
| RP | Robles, H.Robles, Hansel >> | 28 | 2019 | R | 86 | 22 | 0 | 4 | 0 | 2.14 | .259 | 1.05 | 4.3 | 5.1 | 8.1 | 21.0 | 10 | 5 | 5 | 3 | 12 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4.76 |
| RP | Martin, C.Martin, Chris >> | 33 | 2019 | R | 79 | 29 | 0 | 3 | 2 | 3.82 | .303 | 1.27 | 7.6 | 3.8 | 10.6 | 33.0 | 28 | 14 | 14 | 3 | 14 | 39 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.18 |