| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 98 | 34 | 34 | 9 | 10 | 4.73 | .313 | 1.32 | 8.6 | 3.3 | 10.5 | 192.0 | 183 | 101 | 101 | 28 | 70 | 223 | 0 | 0 | 0 | 0 | 17 | 10 | 2 | 3.82 |
| SP | Buehler, W.Buehler, Walker >> | 24 | 2019 | R | 92 | 33 | 33 | 12 | 8 | 3.86 | .286 | 1.16 | 8.0 | 2.5 | 11.2 | 207.2 | 183 | 91 | 89 | 24 | 58 | 258 | 0 | 0 | 0 | 0 | 22 | 9 | 6 | 2.99 |
| SP | Castillo, L.Castillo, Luis † >> | 26 | 2019 | R | 87 | 32 | 32 | 15 | 7 | 4.37 | .323 | 1.38 | 8.3 | 4.1 | 9.7 | 189.2 | 174 | 93 | 92 | 26 | 87 | 204 | 0 | 0 | 0 | 0 | 16 | 10 | 6 | 4.17 |
| SP | Chirinos, Y.Chirinos, Yonny >> | 25 | 2019 | R | 83 | 32 | 32 | 11 | 7 | 4.18 | .312 | 1.33 | 8.8 | 3.2 | 7.9 | 174.1 | 170 | 84 | 81 | 24 | 62 | 152 | 0 | 0 | 0 | 0 | 11 | 5 | 2 | 4.20 |
| SP | Smith, C.Smith, Caleb # >> | 27 | 2019 | L | 77 | 31 | 31 | 10 | 9 | 6.73 | .361 | 1.66 | 10.9 | 4.0 | 10.9 | 149.2 | 181 | 113 | 112 | 35 | 67 | 180 | 0 | 0 | 0 | 0 | 6 | 6 | 2 | 5.11 |
| RP | Workman, B.Workman, Brandon >> | 30 | 2019 | R | 94 | 106 | 0 | 6 | 3 | 2.32 | .271 | 1.09 | 5.0 | 5.0 | 11.3 | 100.2 | 55 | 27 | 26 | 4 | 55 | 125 | 0 | 1 | 1 | 0 | 0 | 2 | 5 | 2.73 |
| CL | Bummer, A.Bummer, Aaron † >> | 25 | 2019 | L | 87 | 69 | 0 | 2 | 4 | 2.62 | .290 | 1.18 | 6.0 | 4.7 | 7.9 | 65.1 | 43 | 19 | 19 | 7 | 34 | 57 | 0 | 39 | 4 | 0 | 0 | 3 | 4 | 4.35 |
| RP | Chapman, A.Chapman, Aroldis >> | 31 | 2019 | L | 86 | 112 | 0 | 6 | 3 | 3.62 | .292 | 1.19 | 7.0 | 3.8 | 11.3 | 69.2 | 54 | 28 | 28 | 7 | 29 | 87 | 0 | 2 | 3 | 0 | 0 | 3 | 4 | 3.19 |
| RP | Guerra, J.Guerra, Junior >> | 34 | 2019 | R | 76 | 67 | 0 | 5 | 2 | 3.91 | .337 | 1.48 | 6.7 | 6.7 | 8.0 | 69.0 | 51 | 31 | 30 | 7 | 51 | 61 | 0 | 3 | 0 | 0 | 0 | 3 | 4 | 4.90 |
| SP | Canning, G.Canning, Griffin >> | 23 | 2019 | R | 71 | 33 | 0 | 9 | 3 | 5.59 | .349 | 1.57 | 9.8 | 4.3 | 10.6 | 87.0 | 95 | 59 | 54 | 23 | 42 | 102 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 5.64 |