| SP | Cole, G.Cole, Gerrit # >> | 28 | 2019 | R | 97 | 10 | 10 | 5 | 1 | 2.89 | .251 | 1.00 | 7.2 | 1.9 | 11.0 | 71.2 | 57 | 25 | 23 | 9 | 15 | 87 | 2 | 0 | 0 | 0 | 7 | 0 | 2 | 2.83 |
| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 90 | 10 | 10 | 6 | 2 | 4.10 | .310 | 1.26 | 8.1 | 3.4 | 9.3 | 59.1 | 53 | 27 | 27 | 7 | 22 | 61 | 0 | 0 | 0 | 0 | 5 | 5 | 2 | 3.85 |
| SP | Hamels, C.Hamels, Cole >> | 28 | 2011 | L | 79 | 10 | 10 | 3 | 3 | 6.56 | .382 | 1.85 | 14.1 | 2.6 | 8.6 | 48.0 | 75 | 35 | 35 | 8 | 14 | 46 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 4.13 |
| SP | Tanaka, M.Tanaka, Masahiro >> | 26 | 2015 | R | 70 | 9 | 9 | 0 | 3 | 11.57 | .437 | 2.30 | 17.7 | 3.4 | 6.8 | 32.2 | 63 | 45 | 42 | 11 | 12 | 24 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 7.19 |
| SP | Keuchel, D.Keuchel, Dallas >> | 27 | 2015 | L | 68 | 9 | 9 | 0 | 5 | 6.70 | .347 | 1.57 | 11.3 | 2.9 | 7.7 | 47.0 | 59 | 42 | 35 | 10 | 15 | 40 | 1 | 0 | 0 | 0 | 3 | 1 | 4 | 5.09 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 31 | 0 | 1 | 1 | 7.71 | .325 | 1.36 | 10.4 | 2.2 | 11.9 | 25.2 | 29 | 23 | 22 | 6 | 6 | 33 | 0 | 0 | 1 | 0 | 0 | 2 | 3 | 4.44 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 83 | 24 | 0 | 5 | 1 | 3.00 | .244 | 0.97 | 6.9 | 1.8 | 12.6 | 30.0 | 23 | 12 | 10 | 7 | 6 | 42 | 0 | 5 | 2 | 0 | 0 | 0 | 2 | 3.83 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 77 | 21 | 0 | 2 | 0 | 1.93 | .222 | 0.86 | 4.5 | 3.2 | 10.0 | 28.0 | 14 | 6 | 6 | 3 | 10 | 31 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 3.25 |
| RP | O'Day, D.O'Day, Darren >> | 32 | 2014 | R | 64 | 17 | 0 | 2 | 0 | 5.82 | .311 | 1.29 | 6.9 | 4.8 | 7.4 | 17.0 | 13 | 11 | 11 | 2 | 9 | 14 | 0 | 5 | 1 | 0 | 0 | 1 | 0 | 4.65 |
| RP | Janssen, C.Janssen, Casey >> | 31 | 2012 | R | 54 | 15 | 0 | 0 | 1 | 8.78 | .355 | 1.58 | 12.5 | 2.1 | 9.7 | 13.1 | 18 | 13 | 13 | 3 | 3 | 14 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 4.77 |