| SP | Mathewson, C.Mathewson, Christy >> | 28 | 1908 | R | 83 | 35 | 34 | 17 | 5 | 4.15 | .284 | 1.14 | 8.4 | 2.0 | 4.8 | 225.1 | 209 | 114 | 104 | 19 | 49 | 120 | 7 | 0 | 0 | 2 | 18 | 10 | 4 | 3.82 |
| SP | Alexander, P.Alexander, Pete >> | 28 | 1915 | R | 88 | 34 | 34 | 18 | 11 | 4.32 | .304 | 1.30 | 9.0 | 2.7 | 5.2 | 220.2 | 221 | 113 | 106 | 28 | 65 | 128 | 5 | 0 | 0 | 0 | 20 | 3 | 3 | 4.42 |
| SP | Kluber, C.Kluber, Corey # >> | 31 | 2017 | R | 90 | 34 | 34 | 13 | 11 | 4.52 | .304 | 1.29 | 8.9 | 2.7 | 8.0 | 199.1 | 197 | 109 | 100 | 26 | 60 | 176 | 2 | 0 | 0 | 0 | 18 | 4 | 5 | 3.89 |
| CL | Boxberger, B.Boxberger, Brad # >> | 26 | 2014 | R | 83 | 58 | 0 | 0 | 4 | 5.50 | .340 | 1.55 | 9.5 | 4.5 | 9.0 | 52.1 | 55 | 33 | 32 | 7 | 26 | 52 | 0 | 35 | 7 | 0 | 0 | 0 | 5 | 4.25 |
| RP | Rhodes, A.Rhodes, Arthur >> | 32 | 2001 | L | 65 | 107 | 0 | 4 | 0 | 3.43 | .261 | 1.05 | 6.4 | 3.0 | 8.4 | 81.1 | 58 | 33 | 31 | 9 | 27 | 76 | 0 | 5 | 1 | 0 | 0 | 1 | 0 | 3.60 |
| RP | Hoffman, T.Hoffman, Trevor >> | 31 | 1998 | R | 75 | 40 | 0 | 7 | 2 | 3.02 | .294 | 1.22 | 7.9 | 3.3 | 10.3 | 41.2 | 36 | 14 | 14 | 3 | 15 | 47 | 0 | 1 | 1 | 0 | 0 | 1 | 4 | 2.83 |
| RP | Hochevar, L.Hochevar, Luke >> | 30 | 2013 | R | 78 | 56 | 0 | 3 | 3 | 2.59 | .240 | 0.95 | 5.9 | 2.6 | 8.8 | 59.0 | 39 | 18 | 17 | 4 | 17 | 58 | 0 | 5 | 3 | 0 | 0 | 0 | 1 | 2.78 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 65 | 0 | 5 | 3 | 3.47 | .309 | 1.32 | 8.2 | 3.8 | 9.9 | 59.2 | 54 | 27 | 23 | 4 | 25 | 65 | 0 | 2 | 4 | 0 | 0 | 1 | 1 | 3.00 |
| SP | Chesbro, J.Chesbro, Jack >> | 30 | 1904 | R | 65 | 26 | 0 | 4 | 2 | 3.67 | .277 | 1.13 | 7.4 | 2.8 | 4.2 | 110.1 | 91 | 52 | 45 | 17 | 34 | 51 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5.06 |
| SP | Maddux, G.Maddux, Greg >> | 29 | 1995 | R | 89 | 36 | 36 | 19 | 10 | 4.10 | .288 | 1.19 | 8.4 | 2.3 | 5.3 | 213.0 | 199 | 101 | 97 | 20 | 55 | 126 | 2 | 0 | 0 | 0 | 22 | 5 | 5 | 3.88 |