| SP | Flaherty, J.Flaherty, Jack $ >> | 23 | 2019 | R | 98 | 20 | 20 | 7 | 11 | 3.82 | .273 | 1.08 | 6.6 | 3.2 | 10.5 | 125.0 | 91 | 58 | 53 | 15 | 44 | 146 | 2 | 0 | 0 | 1 | 10 | 6 | 3 | 3.42 |
| SP | Kershaw, C.Kershaw, Clayton # >> | 31 | 2019 | L | 92 | 19 | 19 | 8 | 4 | 4.15 | .316 | 1.36 | 9.5 | 2.7 | 11.1 | 117.0 | 124 | 54 | 54 | 14 | 35 | 144 | 1 | 0 | 0 | 1 | 13 | 3 | 1 | 3.07 |
| SP | Soroka, M.Soroka, Mike † >> | 21 | 2019 | R | 76 | 18 | 18 | 8 | 1 | 3.38 | .286 | 1.19 | 7.8 | 3.0 | 9.6 | 114.2 | 99 | 43 | 43 | 15 | 38 | 122 | 0 | 0 | 0 | 0 | 10 | 1 | 2 | 3.60 |
| SP | Hendricks, K.Hendricks, Kyle >> | 29 | 2019 | R | 68 | 18 | 18 | 11 | 3 | 5.12 | .327 | 1.43 | 10.4 | 2.5 | 8.5 | 103.2 | 119 | 60 | 59 | 18 | 29 | 97 | 0 | 0 | 0 | 0 | 10 | 3 | 1 | 4.32 |
| CL | Chapman, A.Chapman, Aroldis † $ >> | 31 | 2019 | L | 86 | 46 | 0 | 4 | 2 | 1.97 | .256 | 1.01 | 4.7 | 4.5 | 11.5 | 50.1 | 26 | 12 | 11 | 8 | 25 | 64 | 0 | 22 | 2 | 0 | 0 | 1 | 3 | 4.08 |
| SU | Rivero, F.Rivero, Felipe >> | 27 | 2019 | L | 94 | 44 | 0 | 4 | 2 | 3.64 | .319 | 1.32 | 7.7 | 4.2 | 11.5 | 47.0 | 40 | 19 | 19 | 6 | 22 | 60 | 0 | 3 | 4 | 0 | 0 | 4 | 2 | 3.77 |
| RP | Hudson, D.Hudson, Daniel >> | 32 | 2019 | R | 73 | 50 | 0 | 6 | 2 | 3.72 | .303 | 1.30 | 7.7 | 4.1 | 7.3 | 48.1 | 41 | 20 | 20 | 6 | 22 | 39 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 4.38 |
| RP | Taylor, J.Taylor, Josh >> | 26 | 2019 | L | 69 | 45 | 0 | 2 | 1 | 3.19 | .290 | 1.19 | 7.3 | 3.5 | 10.5 | 31.0 | 25 | 11 | 11 | 5 | 12 | 36 | 0 | 1 | 4 | 0 | 0 | 1 | 1 | 4.03 |
| RP | Bummer, A.Bummer, Aaron >> | 25 | 2019 | L | 87 | 48 | 0 | 0 | 2 | 4.73 | .312 | 1.36 | 7.9 | 4.5 | 7.9 | 32.1 | 28 | 17 | 17 | 5 | 16 | 28 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 4.78 |
| RP | Colome, A.Colome, Alex >> | 30 | 2019 | R | 79 | 38 | 0 | 3 | 1 | 4.14 | .270 | 1.08 | 6.8 | 2.9 | 10.2 | 37.0 | 28 | 17 | 17 | 9 | 12 | 42 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.95 |
| RP | Duffey, T.Duffey, Tyler >> | 28 | 2019 | R | 85 | 40 | 0 | 4 | 1 | 4.46 | .339 | 1.51 | 9.9 | 3.8 | 12.1 | 38.1 | 42 | 21 | 19 | 5 | 16 | 51 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3.37 |