| SP | Glasnow, T.Glasnow, Tyler >> | 25 | 2019 | R | 99 | 21 | 20 | 11 | 6 | 3.54 | .269 | 1.09 | 7.6 | 2.2 | 12.1 | 109.1 | 92 | 44 | 43 | 16 | 27 | 146 | 0 | 0 | 0 | 0 | 5 | 2 | 2 | 3.03 |
| SP | Berrios, J.Berrios, Jose >> | 25 | 2019 | R | 64 | 15 | 15 | 5 | 4 | 3.26 | .308 | 1.31 | 8.5 | 3.4 | 8.1 | 102.0 | 96 | 42 | 37 | 14 | 38 | 92 | 1 | 0 | 0 | 0 | 10 | 2 | 5 | 4.16 |
| CL | Hader, J.Hader, Josh † >> | 25 | 2019 | L | 100 | 45 | 0 | 6 | 6 | 3.02 | .278 | 1.14 | 8.3 | 2.0 | 10.5 | 53.2 | 49 | 19 | 18 | 11 | 12 | 62 | 0 | 20 | 2 | 0 | 0 | 1 | 0 | 4.09 |
| RP | Clippard, T.Clippard, Tyler >> | 34 | 2019 | R | 98 | 52 | 0 | 6 | 2 | 2.85 | .271 | 1.12 | 6.8 | 3.3 | 9.4 | 66.1 | 50 | 25 | 21 | 7 | 24 | 69 | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 3.38 |
| RP | Stripling, R.Stripling, Ross † >> | 29 | 2019 | R | 66 | 54 | 0 | 8 | 1 | 3.05 | .266 | 1.04 | 7.1 | 2.2 | 10.6 | 97.1 | 77 | 36 | 33 | 7 | 24 | 114 | 0 | 4 | 0 | 0 | 0 | 5 | 6 | 2.48 |
| RP | Hudson, D.Hudson, Daniel >> | 32 | 2019 | R | 81 | 29 | 0 | 2 | 0 | 3.31 | .269 | 1.10 | 7.3 | 2.8 | 7.9 | 32.2 | 26 | 13 | 12 | 5 | 10 | 28 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 4.22 |
| SP | Bumgarner, M.Bumgarner, Madison # >> | 29 | 2019 | L | 78 | 20 | 20 | 5 | 7 | 5.02 | .308 | 1.28 | 9.5 | 2.0 | 9.1 | 118.1 | 125 | 67 | 66 | 24 | 26 | 119 | 2 | 0 | 0 | 1 | 10 | 7 | 1 | 4.47 |
| RP | Neris, H.Neris, Hector >> | 30 | 2019 | R | 94 | 18 | 0 | 0 | 1 | 2.57 | .344 | 1.52 | 9.0 | 4.7 | 9.9 | 21.0 | 21 | 9 | 6 | 3 | 11 | 23 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.38 |
| RP | Soria, J.Soria, Joakim >> | 35 | 2019 | R | 88 | 20 | 0 | 0 | 0 | 4.43 | .323 | 1.39 | 9.8 | 2.9 | 12.7 | 22.1 | 24 | 12 | 11 | 6 | 7 | 31 | 0 | 1 | 1 | 0 | 0 | 1 | 2 | 4.82 |
| SU | Chapman, A.Chapman, Aroldis >> | 31 | 2019 | L | 90 | 43 | 0 | 2 | 2 | 4.54 | .335 | 1.49 | 7.8 | 5.8 | 9.7 | 39.2 | 34 | 22 | 20 | 7 | 25 | 42 | 0 | 5 | 4 | 0 | 0 | 1 | 2 | 5.18 |