| SP | Richard, J.Richard, J.R. >> | 30 | 1980 | R | 90 | 24 | 24 | 6 | 8 | 5.22 | .344 | 1.54 | 8.3 | 5.7 | 9.4 | 146.2 | 134 | 90 | 85 | 13 | 92 | 152 | 0 | 0 | 0 | 0 | 10 | 5 | 0 | 4.07 |
| SP | Scherzer, M.Scherzer, Max >> | 33 | 2017 | R | 95 | 24 | 24 | 10 | 6 | 4.34 | .319 | 1.39 | 8.2 | 4.4 | 8.2 | 149.1 | 135 | 74 | 72 | 14 | 73 | 135 | 0 | 0 | 0 | 0 | 12 | 2 | 4 | 3.92 |
| CL | Jansen, K.Jansen, Kenley † >> | 28 | 2016 | R | 97 | 59 | 0 | 5 | 4 | 3.29 | .292 | 1.22 | 7.4 | 3.6 | 9.9 | 63.0 | 52 | 27 | 23 | 6 | 25 | 69 | 0 | 30 | 1 | 0 | 0 | 1 | 1 | 3.29 |
| RP | Hader, J.Hader, Josh † >> | 24 | 2018 | L | 92 | 65 | 0 | 5 | 1 | 3.28 | .284 | 1.19 | 6.7 | 4.1 | 10.1 | 90.2 | 67 | 36 | 33 | 10 | 41 | 101 | 0 | 6 | 3 | 0 | 0 | 0 | 0 | 3.57 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 83 | 50 | 0 | 6 | 1 | 4.09 | .321 | 1.40 | 8.3 | 4.3 | 8.8 | 55.0 | 51 | 25 | 25 | 8 | 26 | 54 | 0 | 1 | 3 | 0 | 0 | 1 | 1 | 4.40 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 77 | 36 | 0 | 5 | 2 | 2.03 | .261 | 1.04 | 5.9 | 3.5 | 7.2 | 44.1 | 29 | 11 | 10 | 4 | 17 | 35 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 3.82 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 73 | 28 | 0 | 0 | 2 | 6.03 | .338 | 1.53 | 11.3 | 2.6 | 8.1 | 31.1 | 39 | 24 | 21 | 7 | 9 | 28 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5.00 |
| SP | Hendrix, C.Hendrix, Claude >> | 25 | 1914 | R | 69 | 11 | 0 | 3 | 2 | 3.55 | .315 | 1.38 | 9.7 | 2.9 | 6.8 | 25.1 | 27 | 12 | 10 | 3 | 8 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.00 |