| SP | Glasnow, T.Glasnow, Tyler >> | 25 | 2019 | R | 99 | 35 | 35 | 8 | 12 | 4.19 | .290 | 1.19 | 8.1 | 2.6 | 10.5 | 193.1 | 174 | 94 | 90 | 24 | 56 | 225 | 0 | 0 | 0 | 0 | 11 | 7 | 4 | 3.26 |
| SP | Bieber, S.Bieber, Shane >> | 24 | 2019 | R | 87 | 34 | 34 | 16 | 11 | 4.83 | .328 | 1.45 | 10.5 | 2.5 | 12.2 | 210.2 | 246 | 117 | 113 | 37 | 59 | 284 | 0 | 0 | 0 | 0 | 16 | 4 | 4 | 3.49 |
| SP | Odorizzi, J.Odorizzi, Jake # >> | 29 | 2019 | R | 74 | 32 | 32 | 11 | 10 | 5.74 | .332 | 1.47 | 10.7 | 2.6 | 9.9 | 172.1 | 205 | 111 | 110 | 30 | 49 | 189 | 0 | 0 | 0 | 0 | 7 | 3 | 1 | 3.98 |
| SP | Minor, M.Minor, Mike # >> | 31 | 2019 | L | 63 | 31 | 31 | 10 | 14 | 5.58 | .333 | 1.47 | 9.1 | 4.2 | 9.3 | 193.2 | 196 | 120 | 120 | 34 | 89 | 200 | 0 | 0 | 0 | 0 | 13 | 5 | 3 | 4.68 |
| RP | Hader, J.Hader, Josh † >> | 25 | 2019 | L | 100 | 83 | 0 | 13 | 2 | 2.74 | .286 | 1.17 | 7.6 | 3.0 | 12.2 | 131.1 | 110 | 42 | 40 | 14 | 44 | 177 | 0 | 2 | 3 | 0 | 0 | 4 | 0 | 2.79 |
| RP | Harris, W.Harris, Will >> | 34 | 2019 | R | 88 | 82 | 0 | 4 | 2 | 2.45 | .259 | 1.03 | 7.2 | 2.1 | 10.5 | 117.1 | 94 | 33 | 32 | 8 | 27 | 136 | 0 | 6 | 2 | 0 | 0 | 2 | 6 | 2.31 |
| RP | Gaviglio, S.Gaviglio, Sam >> | 29 | 2019 | R | 64 | 74 | 0 | 7 | 5 | 3.75 | .284 | 1.17 | 8.2 | 2.4 | 7.9 | 117.2 | 107 | 51 | 49 | 21 | 31 | 103 | 0 | 7 | 4 | 0 | 0 | 2 | 0 | 4.42 |
| RP | Leclerc, J.Leclerc, Jose >> | 25 | 2019 | R | 57 | 53 | 0 | 2 | 4 | 4.50 | .326 | 1.40 | 8.0 | 4.7 | 10.8 | 60.0 | 53 | 32 | 30 | 10 | 31 | 72 | 0 | 6 | 1 | 0 | 0 | 3 | 6 | 4.47 |
| SP | Gonzalez, G.Gonzalez, Gio >> | 34 | 2019 | L | 56 | 1 | 0 | 0 | 0 | 10.80 | .286 | 1.20 | 18.0 | 0.0 | 0.0 | 1.2 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.00 |
| SP | Plesac, Z.Plesac, Zach >> | 24 | 2019 | R | 62 | 22 | 0 | 4 | 2 | 1.65 | .281 | 1.17 | 8.0 | 2.7 | 7.7 | 27.1 | 24 | 6 | 5 | 2 | 8 | 23 | 0 | 5 | 2 | 0 | 0 | 0 | 1 | 3.15 |