| SP | Johnson, W.Johnson, Walter $ >> | 26 | 1913 | R | 95 | 34 | 34 | 14 | 16 | 5.03 | .334 | 1.50 | 10.5 | 3.0 | 4.9 | 227.1 | 266 | 134 | 127 | 24 | 75 | 123 | 3 | 0 | 0 | 0 | 15 | 1 | 4 | 4.30 |
| SP | Kluber, C.Kluber, Corey $ >> | 31 | 2017 | R | 89 | 33 | 33 | 8 | 17 | 5.54 | .322 | 1.40 | 9.6 | 3.0 | 8.6 | 211.1 | 225 | 138 | 130 | 51 | 71 | 201 | 1 | 0 | 0 | 0 | 11 | 5 | 3 | 5.32 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 84 | 32 | 32 | 5 | 18 | 6.86 | .353 | 1.62 | 11.0 | 3.6 | 5.1 | 148.1 | 181 | 122 | 113 | 26 | 59 | 84 | 0 | 0 | 0 | 0 | 8 | 3 | 4 | 5.41 |
| SP | Clemens, R.Clemens, Roger >> | 24 | 1986 | R | 69 | 33 | 31 | 11 | 16 | 6.36 | .356 | 1.62 | 11.1 | 3.5 | 5.4 | 186.2 | 229 | 133 | 132 | 31 | 73 | 112 | 4 | 0 | 0 | 0 | 10 | 7 | 5 | 5.25 |
| CL | Jansen, K.Jansen, Kenley † >> | 28 | 2016 | R | 97 | 49 | 0 | 3 | 6 | 1.99 | .238 | 0.92 | 5.5 | 2.8 | 9.8 | 54.1 | 33 | 13 | 12 | 3 | 17 | 59 | 0 | 26 | 2 | 0 | 0 | 1 | 0 | 2.54 |
| SU | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 57 | 0 | 0 | 4 | 3.71 | .313 | 1.37 | 6.5 | 6.0 | 7.7 | 60.2 | 43 | 27 | 25 | 5 | 40 | 51 | 0 | 5 | 3 | 0 | 0 | 0 | 1 | 4.38 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 77 | 75 | 0 | 1 | 3 | 3.65 | .281 | 1.17 | 8.7 | 1.9 | 8.7 | 91.1 | 88 | 42 | 37 | 10 | 19 | 88 | 0 | 2 | 4 | 0 | 0 | 0 | 6 | 3.12 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 83 | 57 | 0 | 4 | 2 | 5.30 | .358 | 1.61 | 7.8 | 6.9 | 9.7 | 52.2 | 45 | 31 | 31 | 8 | 40 | 56 | 0 | 3 | 2 | 0 | 0 | 3 | 3 | 5.33 |
| RP | Dotel, O.Dotel, Octavio >> | 29 | 2002 | R | 69 | 35 | 0 | 1 | 1 | 2.98 | .296 | 1.26 | 7.7 | 3.8 | 7.9 | 48.1 | 41 | 18 | 16 | 3 | 20 | 42 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.31 |