| SP | Verlander, J.Verlander, Justin >> | 36 | 2019 | R | 99 | 18 | 18 | 3 | 9 | 5.31 | .329 | 1.44 | 9.5 | 3.5 | 8.9 | 117.0 | 123 | 70 | 69 | 23 | 46 | 116 | 0 | 0 | 0 | 0 | 8 | 3 | 2 | 4.83 |
| SP | Alexander, P.Alexander, Pete † # >> | 28 | 1915 | R | 88 | 17 | 17 | 8 | 5 | 2.53 | .244 | 0.97 | 7.1 | 1.6 | 5.7 | 135.1 | 107 | 46 | 38 | 12 | 24 | 86 | 5 | 0 | 0 | 4 | 12 | 0 | 4 | 3.41 |
| SP | Bender, C.Bender, Chief >> | 26 | 1910 | R | 71 | 17 | 17 | 4 | 9 | 6.00 | .332 | 1.46 | 10.2 | 3.0 | 4.8 | 123.0 | 139 | 88 | 82 | 20 | 41 | 66 | 3 | 0 | 0 | 0 | 5 | 3 | 5 | 5.11 |
| SP | Waddell, R.Waddell, Rube >> | 29 | 1905 | L | 67 | 16 | 16 | 7 | 8 | 4.83 | .353 | 1.60 | 9.9 | 4.5 | 4.8 | 108.0 | 119 | 66 | 58 | 14 | 54 | 58 | 0 | 0 | 0 | 0 | 8 | 4 | 6 | 5.22 |
| RP | Doolittle, S.Doolittle, Sean † >> | 31 | 2018 | L | 99 | 48 | 0 | 5 | 0 | 3.26 | .254 | 0.99 | 6.9 | 2.1 | 9.2 | 60.2 | 46 | 24 | 22 | 8 | 14 | 61 | 0 | 7 | 1 | 0 | 0 | 2 | 2 | 3.50 |
| RP | Betancourt, R.Betancourt, Rafael >> | 32 | 2007 | R | 76 | 26 | 0 | 0 | 2 | 4.15 | .304 | 1.31 | 8.0 | 3.8 | 7.6 | 26.0 | 23 | 13 | 12 | 4 | 11 | 22 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 4.58 |
| RP | Harvey, B.Harvey, Bryan >> | 28 | 1991 | R | 66 | 16 | 0 | 1 | 2 | 5.06 | .377 | 1.81 | 9.6 | 6.8 | 9.6 | 16.0 | 17 | 10 | 9 | 3 | 12 | 17 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 5.56 |
| SP | Hudson, D.Hudson, Daniel >> | 23 | 2010 | R | 60 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Harden, R.Harden, Rich >> | 27 | 2008 | R | 60 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Caldwell, R.Caldwell, Ray >> | 26 | 1914 | R | 64 | 4 | 0 | 0 | 0 | 7.71 | .462 | 2.57 | 18.0 | 9.0 | 9.0 | 2.1 | 4 | 2 | 2 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.00 |