| SP | McLain, D.McLain, Denny # >> | 24 | 1968 | R | 79 | 17 | 17 | 6 | 4 | 4.07 | .289 | 1.20 | 8.4 | 2.5 | 5.8 | 110.2 | 103 | 54 | 50 | 12 | 30 | 71 | 1 | 0 | 0 | 0 | 9 | 2 | 3 | 4.00 |
| SP | Bender, C.Bender, Chief >> | 26 | 1910 | R | 72 | 17 | 17 | 4 | 7 | 4.87 | .351 | 1.59 | 9.6 | 4.8 | 5.1 | 105.1 | 112 | 62 | 57 | 15 | 56 | 59 | 2 | 0 | 0 | 0 | 7 | 3 | 0 | 5.42 |
| CL | Hader, J.Hader, Josh † >> | 24 | 2018 | L | 94 | 41 | 0 | 3 | 4 | 3.21 | .266 | 1.09 | 4.6 | 5.3 | 11.0 | 53.1 | 27 | 19 | 19 | 4 | 31 | 65 | 0 | 14 | 2 | 0 | 0 | 0 | 0 | 3.28 |
| RP | Rivera, M.Rivera, Mariano >> | 39 | 2008 | R | 85 | 44 | 0 | 2 | 1 | 3.40 | .274 | 1.13 | 8.5 | 1.7 | 8.2 | 53.0 | 50 | 23 | 20 | 6 | 10 | 48 | 0 | 3 | 2 | 0 | 0 | 0 | 2 | 3.23 |
| SU | Benitez, A.Benitez, Armando >> | 32 | 2004 | R | 82 | 44 | 0 | 5 | 3 | 6.17 | .322 | 1.43 | 8.7 | 4.2 | 6.3 | 54.0 | 52 | 37 | 37 | 15 | 25 | 38 | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 6.59 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 77 | 27 | 0 | 0 | 1 | 4.60 | .353 | 1.60 | 11.8 | 2.8 | 10.6 | 29.1 | 38 | 19 | 15 | 2 | 9 | 34 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 2.59 |
| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 94 | 19 | 17 | 10 | 5 | 3.39 | .309 | 1.33 | 9.5 | 2.5 | 5.1 | 114.0 | 120 | 53 | 43 | 11 | 32 | 65 | 0 | 0 | 0 | 0 | 12 | 1 | 4 | 3.98 |
| SP | Scherzer, M.Scherzer, Max >> | 33 | 2017 | R | 95 | 15 | 0 | 2 | 0 | 4.33 | .341 | 1.52 | 9.0 | 4.7 | 8.7 | 27.0 | 27 | 13 | 13 | 3 | 14 | 26 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 4.19 |