| SP | Gibson, B.Gibson, Bob † >> | 33 | 1968 | R | 99 | 36 | 36 | 19 | 13 | 3.17 | .279 | 1.15 | 7.5 | 2.9 | 6.4 | 290.0 | 241 | 105 | 102 | 26 | 92 | 205 | 17 | 0 | 0 | 5 | 24 | 4 | 4 | 3.74 |
| SP | Chamberlain, E.Chamberlain, Elton † >> | 21 | 1888 | R | 98 | 35 | 35 | 21 | 11 | 2.97 | .276 | 1.13 | 7.2 | 3.0 | 5.0 | 288.1 | 230 | 105 | 95 | 20 | 95 | 160 | 16 | 0 | 0 | 3 | 22 | 4 | 0 | 3.82 |
| SP | Flaherty, J.Flaherty, Jack † >> | 23 | 2019 | R | 88 | 33 | 33 | 12 | 7 | 3.51 | .295 | 1.24 | 7.9 | 3.3 | 9.2 | 205.0 | 179 | 86 | 80 | 23 | 75 | 209 | 0 | 0 | 0 | 0 | 20 | 3 | 1 | 3.56 |
| SP | Hughes, D.Hughes, Dick >> | 29 | 1967 | R | 79 | 33 | 33 | 10 | 6 | 4.55 | .320 | 1.40 | 9.3 | 3.3 | 5.4 | 200.0 | 206 | 101 | 101 | 21 | 73 | 119 | 0 | 0 | 0 | 0 | 16 | 4 | 5 | 4.33 |
| RP | Helsley, R.Helsley, Ryan >> | 27 | 2022 | R | 92 | 84 | 0 | 8 | 7 | 3.24 | .278 | 1.15 | 6.4 | 4.0 | 9.5 | 108.1 | 77 | 42 | 39 | 8 | 48 | 114 | 0 | 5 | 6 | 0 | 0 | 0 | 2 | 3.19 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 81 | 47 | 0 | 7 | 5 | 3.67 | .261 | 1.06 | 6.5 | 3.1 | 9.1 | 61.1 | 44 | 26 | 25 | 13 | 21 | 62 | 0 | 5 | 3 | 0 | 0 | 0 | 1 | 4.77 |
| RP | Siegrist, K.Siegrist, Kevin >> | 23 | 2013 | L | 76 | 36 | 0 | 4 | 2 | 2.92 | .306 | 1.32 | 7.5 | 4.4 | 9.2 | 37.0 | 31 | 15 | 12 | 8 | 18 | 38 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 5.22 |
| RP | Calero, K.Calero, Kiko >> | 29 | 2004 | R | 73 | 18 | 0 | 2 | 1 | 4.32 | .342 | 1.56 | 9.6 | 5.1 | 9.0 | 16.2 | 17 | 8 | 8 | 3 | 9 | 16 | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 5.13 |
| RP | Percival, T.Percival, Troy >> | 38 | 2007 | R | 66 | 14 | 0 | 2 | 1 | 3.77 | .246 | 0.98 | 7.1 | 1.9 | 5.8 | 14.1 | 11 | 6 | 6 | 1 | 3 | 9 | 0 | 3 | 1 | 0 | 0 | 0 | 1 | 3.29 |
| RP | Choate, R.Choate, Randy >> | 39 | 2014 | L | 28 | 20 | 0 | 0 | 0 | 3.15 | .326 | 1.40 | 8.6 | 4.1 | 7.2 | 20.0 | 19 | 8 | 7 | 4 | 9 | 16 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 5.50 |