| SP | deGrom, J.deGrom, Jacob † # >> | 30 | 2018 | R | 93 | 31 | 31 | 17 | 5 | 2.92 | .254 | 1.00 | 6.5 | 2.5 | 9.6 | 209.2 | 152 | 72 | 68 | 19 | 58 | 222 | 7 | 0 | 0 | 4 | 22 | 4 | 4 | 2.95 |
| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 91 | 32 | 30 | 13 | 11 | 3.39 | .249 | 0.98 | 6.5 | 2.4 | 9.8 | 199.1 | 143 | 81 | 75 | 27 | 53 | 216 | 2 | 0 | 0 | 1 | 19 | 2 | 2 | 3.42 |
| SP | Buchholz, C.Buchholz, Clay >> | 29 | 2013 | R | 81 | 30 | 30 | 12 | 7 | 4.02 | .313 | 1.34 | 8.4 | 3.7 | 7.1 | 183.2 | 170 | 87 | 82 | 21 | 76 | 144 | 3 | 0 | 0 | 1 | 17 | 5 | 2 | 4.25 |
| SP | Strasburg, S.Strasburg, Stephen # >> | 30 | 2019 | R | 77 | 30 | 30 | 7 | 11 | 6.31 | .349 | 1.59 | 10.9 | 3.5 | 9.2 | 148.1 | 179 | 108 | 104 | 33 | 57 | 152 | 1 | 0 | 0 | 0 | 9 | 3 | 5 | 5.06 |
| SP | Weaver, J.Weaver, Jered † >> | 29 | 2011 | R | 70 | 30 | 29 | 12 | 10 | 4.71 | .325 | 1.43 | 9.3 | 3.6 | 7.3 | 181.2 | 187 | 95 | 95 | 25 | 72 | 146 | 4 | 0 | 0 | 2 | 13 | 3 | 2 | 4.43 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 88 | 72 | 0 | 2 | 2 | 4.54 | .302 | 1.28 | 7.4 | 4.1 | 11.0 | 85.1 | 70 | 45 | 43 | 17 | 39 | 104 | 0 | 11 | 7 | 0 | 0 | 2 | 6 | 4.60 |
| RP | Leclerc, J.Leclerc, Jose >> | 24 | 2018 | R | 89 | 59 | 0 | 9 | 3 | 2.48 | .285 | 1.16 | 6.0 | 4.5 | 11.9 | 72.2 | 48 | 24 | 20 | 7 | 36 | 95 | 0 | 8 | 2 | 0 | 0 | 3 | 3 | 3.25 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 75 | 39 | 0 | 7 | 3 | 3.77 | .295 | 1.19 | 6.6 | 4.2 | 8.0 | 45.1 | 33 | 19 | 19 | 3 | 21 | 40 | 0 | 2 | 3 | 0 | 0 | 3 | 7 | 3.69 |
| RP | O'Day, D.O'Day, Darren >> | 32 | 2014 | R | 64 | 22 | 0 | 1 | 1 | 6.14 | .353 | 1.64 | 10.6 | 4.1 | 9.4 | 22.0 | 26 | 15 | 15 | 7 | 10 | 23 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 6.41 |
| RP | Janssen, C.Janssen, Casey >> | 31 | 2012 | R | 56 | 24 | 0 | 1 | 2 | 0.91 | .219 | 0.84 | 5.9 | 1.9 | 10.9 | 29.2 | 19 | 4 | 3 | 2 | 6 | 35 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2.10 |