| SP | deGrom, J.deGrom, Jacob $ >> | 36 | 2019 | R | 86 | 25 | 25 | 11 | 8 | 4.26 | .304 | 1.28 | 8.9 | 2.6 | 9.7 | 133.0 | 131 | 63 | 63 | 24 | 39 | 144 | 0 | 0 | 0 | 0 | 12 | 4 | 0 | 4.15 |
| SP | Keller, M.Keller, Mitch >> | 28 | 2019 | R | 78 | 24 | 24 | 1 | 10 | 5.59 | .340 | 1.52 | 10.6 | 3.0 | 11.1 | 116.0 | 137 | 75 | 72 | 24 | 39 | 143 | 0 | 0 | 0 | 0 | 5 | 3 | 3 | 4.31 |
| SP | Quantrill, C.Quantrill, Cal # >> | 29 | 2019 | R | 77 | 24 | 24 | 6 | 8 | 4.79 | .297 | 1.24 | 9.4 | 1.8 | 9.0 | 127.2 | 133 | 73 | 68 | 30 | 25 | 127 | 0 | 0 | 0 | 0 | 10 | 4 | 2 | 4.76 |
| SP | Odorizzi, J.Odorizzi, Jake $$ >> | 34 | 2019 | R | 62 | 23 | 23 | 6 | 7 | 4.80 | .324 | 1.42 | 8.8 | 3.9 | 10.2 | 105.0 | 103 | 58 | 56 | 17 | 46 | 119 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 4.21 |
| RP | Duplantier, J.Duplantier, Jon >> | 29 | 2019 | R | 76 | 67 | 0 | 8 | 8 | 4.69 | .294 | 1.22 | 7.7 | 3.3 | 10.6 | 119.0 | 102 | 71 | 62 | 23 | 43 | 140 | 0 | 4 | 4 | 0 | 0 | 4 | 5 | 4.34 |
| RP | Buttrey, T.Buttrey, Ty >> | 31 | 2019 | R | 77 | 48 | 0 | 4 | 5 | 6.08 | .377 | 1.74 | 12.1 | 3.7 | 10.4 | 53.1 | 71 | 38 | 36 | 10 | 22 | 61 | 0 | 0 | 6 | 0 | 0 | 4 | 2 | 4.62 |
| RP | Workman, B.Workman, Brandon >> | 35 | 2019 | R | 79 | 50 | 0 | 2 | 0 | 2.50 | .264 | 1.07 | 5.7 | 4.0 | 10.0 | 54.0 | 34 | 16 | 15 | 6 | 24 | 60 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3.56 |
| RP | Swanson, E.Swanson, Erik >> | 30 | 2019 | R | 86 | 46 | 0 | 2 | 1 | 4.57 | .319 | 1.39 | 7.9 | 4.6 | 4.8 | 67.0 | 59 | 34 | 34 | 6 | 34 | 36 | 0 | 1 | 0 | 0 | 0 | 1 | 4 | 4.66 |
| SU | Rivero, F.Rivero, Felipe $ >> | 32 | 2019 | L | 90 | 45 | 0 | 1 | 5 | 5.74 | .299 | 1.26 | 8.6 | 2.7 | 10.1 | 47.0 | 45 | 36 | 30 | 16 | 14 | 53 | 0 | 0 | 3 | 0 | 0 | 1 | 3 | 6.13 |
| CL | Toussaint, T.Toussaint, Touki $$ >> | 28 | 2019 | R | 93 | 48 | 0 | 0 | 9 | 5.51 | .330 | 1.44 | 8.6 | 4.5 | 12.8 | 50.2 | 48 | 32 | 31 | 8 | 25 | 71 | 0 | 27 | 3 | 0 | 0 | 2 | 3 | 3.86 |
| SP | Margevicius, N.Margevicius, Nick >> | 28 | 2019 | L | 66 | 21 | 0 | 1 | 3 | 7.62 | .337 | 1.49 | 10.8 | 2.6 | 8.3 | 65.0 | 78 | 58 | 55 | 19 | 19 | 60 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5.92 |