| SP | Glasnow, T.Glasnow, Tyler >> | 25 | 2019 | R | 100 | 33 | 33 | 16 | 8 | 3.28 | .271 | 1.09 | 7.6 | 2.3 | 11.6 | 172.2 | 145 | 64 | 63 | 20 | 43 | 222 | 0 | 0 | 0 | 0 | 13 | 5 | 2 | 2.77 |
| SP | Bieber, S.Bieber, Shane >> | 24 | 2019 | R | 90 | 33 | 33 | 7 | 15 | 4.94 | .308 | 1.29 | 9.5 | 2.1 | 11.8 | 195.0 | 206 | 108 | 107 | 37 | 45 | 256 | 2 | 0 | 0 | 0 | 14 | 9 | 5 | 3.67 |
| SP | Civale, A.Civale, Aaron >> | 24 | 2019 | R | 88 | 33 | 32 | 17 | 8 | 3.56 | .296 | 1.23 | 8.3 | 2.9 | 8.1 | 192.1 | 176 | 82 | 76 | 29 | 61 | 172 | 1 | 0 | 0 | 0 | 22 | 6 | 3 | 4.22 |
| SP | Bumgarner, M.Bumgarner, Madison >> | 29 | 2019 | L | 78 | 32 | 32 | 7 | 9 | 4.80 | .315 | 1.33 | 9.6 | 2.4 | 8.9 | 180.0 | 191 | 98 | 96 | 37 | 48 | 177 | 1 | 0 | 0 | 1 | 14 | 9 | 2 | 4.66 |
| RP | Hicks, J.Hicks, Jordan >> | 22 | 2019 | R | 98 | 99 | 0 | 10 | 5 | 4.55 | .316 | 1.35 | 8.0 | 4.2 | 10.2 | 132.2 | 118 | 67 | 67 | 27 | 61 | 150 | 0 | 6 | 5 | 0 | 0 | 5 | 8 | 4.89 |
| RP | Hendriks, L.Hendriks, Liam >> | 30 | 2019 | R | 96 | 107 | 0 | 6 | 4 | 3.58 | .298 | 1.27 | 7.9 | 3.5 | 11.3 | 135.2 | 119 | 55 | 54 | 24 | 53 | 170 | 0 | 12 | 7 | 0 | 0 | 1 | 6 | 3.99 |
| RP | Soria, J.Soria, Joakim >> | 35 | 2019 | R | 90 | 94 | 0 | 7 | 5 | 2.44 | .251 | 0.96 | 5.7 | 3.0 | 10.5 | 121.2 | 76 | 36 | 33 | 15 | 41 | 141 | 0 | 10 | 3 | 0 | 0 | 5 | 4 | 3.42 |
| RP | Greene, S.Greene, Shane >> | 30 | 2019 | R | 89 | 81 | 0 | 4 | 3 | 4.10 | .324 | 1.43 | 9.3 | 3.7 | 10.6 | 96.2 | 99 | 44 | 44 | 17 | 39 | 113 | 0 | 7 | 2 | 0 | 0 | 1 | 0 | 4.20 |
| RP | Hudson, D.Hudson, Daniel >> | 32 | 2019 | R | 83 | 71 | 0 | 7 | 5 | 2.77 | .291 | 1.22 | 7.8 | 3.2 | 8.6 | 84.1 | 73 | 28 | 26 | 10 | 30 | 80 | 0 | 6 | 4 | 0 | 0 | 1 | 2 | 3.75 |