| SP | Chamberlain, E.Chamberlain, Elton >> | 21 | 1888 | R | 100 | 36 | 36 | 15 | 16 | 3.93 | .307 | 1.30 | 8.0 | 3.8 | 4.6 | 263.2 | 234 | 138 | 115 | 23 | 110 | 134 | 11 | 0 | 0 | 3 | 17 | 7 | 0 | 4.45 |
| SP | Gibson, B.Gibson, Bob † >> | 33 | 1968 | R | 98 | 35 | 35 | 17 | 13 | 3.33 | .285 | 1.18 | 8.3 | 2.4 | 5.8 | 278.2 | 257 | 115 | 103 | 22 | 73 | 180 | 19 | 0 | 0 | 2 | 21 | 3 | 4 | 3.55 |
| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 89 | 33 | 33 | 9 | 15 | 5.58 | .345 | 1.56 | 10.0 | 4.1 | 8.6 | 180.2 | 200 | 123 | 112 | 24 | 82 | 172 | 0 | 0 | 0 | 0 | 14 | 4 | 6 | 4.26 |
| SP | Thompson, Z.Thompson, Zack >> | 24 | 2022 | L | 85 | 34 | 33 | 1 | 4 | 3.96 | .325 | 1.45 | 9.1 | 4.0 | 6.6 | 63.2 | 64 | 30 | 28 | 7 | 28 | 46 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4.32 |
| SP | Caruthers, B.Caruthers, Bob >> | 20 | 1884 | R | 78 | 31 | 31 | 0 | 3 | 2.98 | .285 | 1.18 | 8.3 | 2.5 | 5.6 | 84.2 | 77 | 31 | 28 | 6 | 23 | 52 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3.55 |
| RP | Siegrist, K.Siegrist, Kevin >> | 23 | 2013 | L | 88 | 97 | 0 | 12 | 0 | 3.48 | .309 | 1.32 | 7.1 | 4.8 | 8.8 | 88.0 | 69 | 37 | 34 | 5 | 47 | 86 | 0 | 4 | 1 | 0 | 0 | 2 | 0 | 3.45 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 91 | 94 | 0 | 9 | 1 | 4.76 | .334 | 1.49 | 9.3 | 4.1 | 9.2 | 85.0 | 88 | 48 | 45 | 9 | 39 | 87 | 0 | 3 | 3 | 0 | 0 | 1 | 5 | 3.74 |
| RP | Calero, K.Calero, Kiko >> | 29 | 2004 | R | 86 | 70 | 0 | 3 | 5 | 3.22 | .296 | 1.22 | 6.8 | 4.2 | 8.1 | 81.0 | 61 | 35 | 29 | 7 | 38 | 73 | 0 | 4 | 3 | 0 | 0 | 3 | 3 | 3.84 |
| RP | Helsley, R.Helsley, Ryan >> | 27 | 2022 | R | 100 | 62 | 0 | 4 | 3 | 2.31 | .250 | 0.99 | 5.5 | 3.4 | 8.6 | 74.0 | 45 | 20 | 19 | 4 | 28 | 71 | 0 | 11 | 5 | 0 | 0 | 1 | 0 | 2.96 |
| RP | Haddix, H.Haddix, Harvey >> | 27 | 1952 | L | 54 | 83 | 0 | 6 | 0 | 2.51 | .284 | 1.16 | 7.4 | 3.1 | 5.6 | 104.0 | 85 | 35 | 29 | 6 | 36 | 65 | 0 | 9 | 1 | 0 | 0 | 3 | 0 | 3.63 |
| RP | Svanson, M.Svanson, Matt >> | 26 | 2025 | R | 83 | 58 | 0 | 2 | 6 | 4.61 | .317 | 1.38 | 8.1 | 4.3 | 7.0 | 84.0 | 76 | 44 | 43 | 15 | 40 | 65 | 0 | 8 | 5 | 0 | 0 | 1 | 1 | 5.24 |
| SP | Rincon, A.Rincon, Andy >> | 22 | 1981 | R | 73 | 52 | 0 | 19 | 5 | 3.11 | .270 | 1.08 | 8.1 | 1.6 | 4.5 | 133.1 | 120 | 51 | 46 | 9 | 24 | 67 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 3.50 |