| SP | Pineda, M.Pineda, Michael # >> | 30 | 2019 | R | 71 | 37 | 37 | 10 | 15 | 5.09 | .318 | 1.36 | 9.9 | 2.4 | 10.4 | 215.2 | 237 | 131 | 122 | 42 | 57 | 249 | 0 | 0 | 0 | 0 | 13 | 7 | 7 | 4.12 |
| SP | Snell, B.Snell, Blake # >> | 26 | 2019 | L | 72 | 36 | 36 | 13 | 10 | 4.61 | .322 | 1.40 | 9.1 | 3.6 | 12.1 | 177.2 | 178 | 91 | 91 | 32 | 71 | 237 | 0 | 0 | 0 | 0 | 5 | 4 | 3 | 3.94 |
| SP | Berrios, J.Berrios, Jose >> | 25 | 2019 | R | 67 | 24 | 24 | 12 | 9 | 3.24 | .284 | 1.14 | 7.7 | 2.7 | 9.1 | 163.2 | 139 | 61 | 59 | 21 | 48 | 164 | 3 | 0 | 0 | 3 | 14 | 8 | 2 | 3.69 |
| RP | Pressly, R.Pressly, Ryan >> | 30 | 2019 | R | 99 | 89 | 0 | 5 | 2 | 3.81 | .280 | 1.13 | 7.6 | 2.6 | 11.2 | 127.2 | 107 | 58 | 54 | 17 | 37 | 158 | 0 | 3 | 4 | 0 | 0 | 5 | 6 | 3.24 |
| RP | Hendriks, L.Hendriks, Liam >> | 30 | 2019 | R | 96 | 90 | 0 | 6 | 7 | 3.80 | .269 | 1.09 | 7.1 | 2.8 | 12.0 | 125.2 | 98 | 53 | 53 | 19 | 39 | 167 | 0 | 5 | 5 | 0 | 0 | 2 | 4 | 3.29 |
| RP | Duffey, T.Duffey, Tyler >> | 28 | 2019 | R | 93 | 89 | 0 | 2 | 4 | 3.20 | .298 | 1.26 | 7.7 | 3.6 | 12.0 | 107.0 | 92 | 44 | 38 | 7 | 43 | 143 | 0 | 10 | 4 | 0 | 0 | 1 | 5 | 2.41 |
| RP | Robles, H.Robles, Hansel >> | 28 | 2019 | R | 85 | 54 | 0 | 3 | 2 | 3.39 | .252 | 0.99 | 7.0 | 2.0 | 9.2 | 58.1 | 45 | 22 | 22 | 8 | 13 | 59 | 0 | 8 | 3 | 0 | 0 | 1 | 2 | 3.48 |
| RP | Martin, C.Martin, Chris >> | 33 | 2019 | R | 81 | 43 | 0 | 5 | 2 | 5.59 | .313 | 1.32 | 10.1 | 1.9 | 11.3 | 48.1 | 54 | 30 | 30 | 11 | 10 | 60 | 0 | 2 | 1 | 0 | 0 | 2 | 0 | 4.23 |
| SP | Paxton, J.Paxton, James # >> | 30 | 2019 | L | 68 | 32 | 32 | 12 | 9 | 5.28 | .346 | 1.57 | 10.6 | 3.6 | 10.6 | 167.0 | 196 | 103 | 98 | 27 | 66 | 197 | 0 | 0 | 0 | 0 | 9 | 3 | 13 | 3.98 |