| SP | Arrieta, J.Arrieta, Jake † >> | 29 | 2015 | R | 95 | 28 | 28 | 14 | 9 | 3.81 | .298 | 1.24 | 8.6 | 2.6 | 9.5 | 198.2 | 189 | 85 | 84 | 25 | 58 | 209 | 5 | 0 | 0 | 2 | 16 | 6 | 5 | 3.50 |
| SP | Strasburg, S.Strasburg, Stephen # >> | 30 | 2019 | R | 77 | 27 | 27 | 13 | 8 | 4.08 | .307 | 1.28 | 8.9 | 2.6 | 9.5 | 170.0 | 168 | 81 | 77 | 31 | 49 | 179 | 1 | 0 | 0 | 0 | 16 | 9 | 0 | 4.29 |
| SP | Buchholz, C.Buchholz, Clay >> | 29 | 2013 | R | 81 | 26 | 26 | 10 | 8 | 4.34 | .334 | 1.48 | 8.7 | 4.7 | 7.5 | 163.2 | 157 | 82 | 79 | 26 | 85 | 136 | 0 | 0 | 0 | 0 | 14 | 4 | 3 | 5.04 |
| CL | Kuo, H.Kuo, Hong-Chih † >> | 29 | 2010 | L | 93 | 55 | 0 | 6 | 5 | 2.09 | .270 | 1.11 | 6.8 | 3.2 | 11.1 | 56.0 | 42 | 13 | 13 | 3 | 20 | 69 | 0 | 36 | 4 | 0 | 0 | 0 | 2 | 2.30 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 74 | 74 | 0 | 1 | 0 | 4.66 | .308 | 1.34 | 7.5 | 4.8 | 10.0 | 36.2 | 30 | 21 | 19 | 4 | 19 | 40 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 3.81 |
| RP | Robertson, D.Robertson, David >> | 32 | 2017 | R | 86 | 38 | 0 | 4 | 0 | 4.15 | .372 | 1.71 | 9.6 | 6.0 | 12.3 | 30.1 | 32 | 15 | 14 | 1 | 20 | 41 | 0 | 0 | 4 | 0 | 0 | 2 | 4 | 2.90 |