| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 91 | 27 | 27 | 11 | 8 | 4.37 | .289 | 1.19 | 7.5 | 3.3 | 9.8 | 152.1 | 127 | 77 | 74 | 25 | 55 | 166 | 0 | 0 | 0 | 0 | 15 | 4 | 3 | 4.12 |
| SP | Richards, G.Richards, Garrett >> | 26 | 2014 | R | 73 | 25 | 24 | 12 | 9 | 4.75 | .324 | 1.42 | 8.8 | 4.0 | 8.2 | 138.1 | 135 | 75 | 73 | 16 | 61 | 125 | 0 | 0 | 0 | 0 | 14 | 3 | 11 | 4.09 |
| SP | Verlander, J.Verlander, Justin >> | 36 | 2019 | R | 100 | 25 | 25 | 9 | 13 | 5.10 | .318 | 1.38 | 9.4 | 3.1 | 11.1 | 144.2 | 150 | 86 | 82 | 22 | 49 | 177 | 0 | 0 | 0 | 0 | 14 | 3 | 0 | 3.61 |
| SP | Hamels, C.Hamels, Cole # >> | 28 | 2011 | L | 78 | 23 | 17 | 8 | 4 | 5.12 | .316 | 1.36 | 10.1 | 2.2 | 8.1 | 117.2 | 131 | 75 | 67 | 22 | 29 | 105 | 4 | 0 | 0 | 0 | 9 | 3 | 3 | 4.47 |
| CL | Doolittle, S.Doolittle, Sean † >> | 31 | 2018 | L | 99 | 50 | 0 | 1 | 3 | 1.84 | .174 | 0.61 | 3.7 | 1.8 | 8.8 | 49.0 | 20 | 10 | 10 | 5 | 10 | 48 | 0 | 27 | 4 | 0 | 0 | 1 | 0 | 3.04 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 87 | 40 | 0 | 1 | 1 | 3.17 | .250 | 0.96 | 5.5 | 3.2 | 11.0 | 54.0 | 33 | 19 | 19 | 6 | 19 | 66 | 0 | 1 | 1 | 0 | 0 | 2 | 3 | 3.17 |
| RP | Soriano, R.Soriano, Rafael >> | 31 | 2010 | R | 80 | 50 | 0 | 5 | 1 | 3.23 | .289 | 1.19 | 7.0 | 3.8 | 7.9 | 55.2 | 43 | 21 | 20 | 4 | 23 | 48 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 3.56 |
| RP | Thornburg, T.Thornburg, Tyler >> | 27 | 2016 | R | 67 | 34 | 0 | 6 | 0 | 3.38 | .288 | 1.21 | 6.6 | 4.5 | 9.5 | 34.2 | 25 | 13 | 13 | 8 | 17 | 36 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 5.44 |
| RP | Neris, H.Neris, Hector >> | 30 | 2019 | R | 38 | 25 | 0 | 1 | 1 | 3.23 | .292 | 1.24 | 6.3 | 5.1 | 9.6 | 30.2 | 21 | 11 | 11 | 7 | 17 | 32 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 5.60 |
| SP | Giolito, L.Giolito, Lucas >> | 24 | 2019 | R | 72 | 15 | 10 | 1 | 6 | 8.68 | .361 | 1.69 | 10.6 | 4.9 | 10.6 | 46.2 | 54 | 45 | 45 | 12 | 25 | 54 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 5.67 |