| SP | Verlander, J.Verlander, Justin $ >> | 36 | 2019 | R | 99 | 19 | 19 | 5 | 5 | 3.53 | .290 | 1.23 | 8.3 | 2.8 | 7.7 | 127.1 | 117 | 55 | 50 | 11 | 39 | 109 | 1 | 0 | 0 | 0 | 12 | 0 | 1 | 3.33 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 89 | 18 | 18 | 3 | 9 | 5.60 | .323 | 1.41 | 10.3 | 2.4 | 8.8 | 107.2 | 123 | 69 | 67 | 22 | 29 | 105 | 1 | 0 | 0 | 0 | 5 | 2 | 2 | 4.58 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 85 | 17 | 17 | 7 | 4 | 3.13 | .273 | 1.11 | 7.3 | 2.7 | 5.4 | 95.0 | 77 | 35 | 33 | 7 | 28 | 57 | 0 | 0 | 0 | 0 | 7 | 2 | 3 | 3.71 |
| SP | Pfiester, J.Pfiester, Jack >> | 28 | 1906 | L | 73 | 17 | 17 | 7 | 4 | 5.15 | .343 | 1.57 | 10.3 | 3.9 | 5.2 | 108.1 | 123 | 62 | 62 | 16 | 47 | 62 | 1 | 0 | 0 | 0 | 7 | 0 | 1 | 5.08 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 42 | 0 | 3 | 2 | 5.81 | .366 | 1.69 | 11.4 | 3.8 | 10.1 | 48.0 | 61 | 34 | 31 | 8 | 20 | 54 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 4.29 |
| RP | Hochevar, L.Hochevar, Luke >> | 30 | 2013 | R | 78 | 37 | 0 | 2 | 4 | 5.74 | .332 | 1.46 | 9.4 | 3.9 | 9.4 | 42.1 | 44 | 27 | 27 | 9 | 18 | 44 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 5.05 |
| RP | Bailey, A.Bailey, Andrew >> | 25 | 2009 | R | 67 | 26 | 0 | 1 | 1 | 1.29 | .317 | 1.32 | 7.7 | 4.2 | 6.8 | 28.0 | 24 | 4 | 4 | 0 | 13 | 21 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3.11 |
| SP | Cueto, J.Cueto, Johnny >> | 28 | 2014 | R | 74 | 15 | 0 | 2 | 2 | 12.00 | .438 | 2.27 | 12.6 | 7.8 | 3.6 | 15.0 | 21 | 20 | 20 | 5 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 9.33 |
| RP | Rivera, M.Rivera, Mariano >> | 39 | 2008 | R | 85 | 23 | 0 | 0 | 2 | 3.18 | .241 | 0.95 | 7.1 | 1.6 | 9.6 | 28.1 | 22 | 12 | 10 | 4 | 5 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.25 |