| SP | Chamberlain, E.Chamberlain, Elton >> | 21 | 1888 | R | 93 | 11 | 11 | 6 | 4 | 4.19 | .309 | 1.27 | 7.5 | 3.9 | 6.0 | 73.0 | 61 | 35 | 34 | 5 | 32 | 49 | 3 | 0 | 0 | 0 | 7 | 5 | 0 | 4.07 |
| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 97 | 11 | 11 | 7 | 2 | 4.11 | .293 | 1.23 | 7.6 | 3.5 | 7.7 | 70.0 | 59 | 32 | 32 | 9 | 27 | 60 | 1 | 0 | 0 | 0 | 5 | 1 | 1 | 4.16 |
| SP | McGinnis, J.McGinnis, Jumbo # >> | 31 | 1885 | R | 60 | 11 | 11 | 5 | 5 | 5.62 | .307 | 1.30 | 9.7 | 2.0 | 5.2 | 75.1 | 81 | 48 | 47 | 10 | 17 | 43 | 2 | 0 | 0 | 0 | 3 | 2 | 4 | 4.35 |
| SP | Packard, G.Packard, Gene >> | 30 | 1917 | L | 53 | 10 | 10 | 1 | 1 | 6.92 | .379 | 1.81 | 13.3 | 3.2 | 4.3 | 40.1 | 59 | 31 | 31 | 5 | 14 | 19 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.80 |
| CL | Calero, K.Calero, Kiko >> | 29 | 2004 | R | 86 | 25 | 0 | 2 | 2 | 2.40 | .224 | 0.83 | 5.4 | 2.1 | 8.1 | 30.0 | 18 | 8 | 8 | 2 | 7 | 27 | 0 | 7 | 1 | 0 | 0 | 1 | 0 | 2.87 |
| RP | Percival, T.Percival, Troy >> | 38 | 2007 | R | 82 | 25 | 0 | 2 | 1 | 5.22 | .362 | 1.70 | 11.2 | 4.3 | 6.2 | 29.1 | 36 | 20 | 17 | 7 | 14 | 20 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 6.21 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 29 | 2021 | R | 77 | 21 | 0 | 0 | 1 | 4.97 | .296 | 1.26 | 8.6 | 2.9 | 8.6 | 25.1 | 24 | 15 | 14 | 2 | 8 | 24 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 3.08 |
| RP | O'Neill, M.O'Neill, Mike >> | 24 | 1901 | R | 58 | 14 | 0 | 1 | 2 | 5.31 | .351 | 1.52 | 13.5 | 0.5 | 3.6 | 20.1 | 30 | 12 | 12 | 4 | 1 | 8 | 0 | 2 | 1 | 0 | 0 | 2 | 0 | 5.25 |
| RP | Eckersley, D.Eckersley, Dennis >> | 43 | 1997 | R | 37 | 11 | 0 | 1 | 0 | 4.35 | .367 | 1.74 | 12.6 | 3.6 | 1.8 | 10.1 | 14 | 7 | 5 | 2 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.40 |