| SP | Flaherty, J.Flaherty, Jack † >> | 23 | 2019 | R | 94 | 25 | 25 | 15 | 2 | 3.04 | .259 | 1.04 | 6.2 | 3.2 | 8.0 | 156.2 | 107 | 55 | 53 | 19 | 56 | 138 | 2 | 0 | 0 | 1 | 18 | 1 | 4 | 3.91 |
| SP | Munger, R.Munger, Red # >> | 26 | 1944 | R | 71 | 25 | 25 | 7 | 8 | 4.33 | .320 | 1.38 | 9.5 | 2.9 | 5.8 | 137.1 | 145 | 70 | 66 | 21 | 44 | 88 | 1 | 0 | 0 | 0 | 14 | 5 | 0 | 4.78 |
| SP | Carpenter, C.Carpenter, Chris >> | 29 | 2004 | R | 48 | 22 | 18 | 13 | 3 | 4.12 | .304 | 1.29 | 9.1 | 2.5 | 6.7 | 139.2 | 141 | 67 | 64 | 26 | 39 | 103 | 2 | 0 | 0 | 0 | 10 | 3 | 2 | 4.86 |
| SP | Alexander, P.Alexander, Pete # >> | 40 | 1927 | R | 36 | 24 | 24 | 12 | 6 | 4.97 | .316 | 1.36 | 9.8 | 2.5 | 4.4 | 154.0 | 168 | 85 | 85 | 22 | 42 | 75 | 4 | 0 | 0 | 1 | 10 | 3 | 3 | 4.76 |
| SP | Lanier, M.Lanier, Max # >> | 29 | 1944 | L | 35 | 24 | 24 | 11 | 7 | 4.28 | .325 | 1.44 | 9.3 | 3.7 | 6.0 | 149.1 | 154 | 73 | 71 | 17 | 61 | 100 | 2 | 0 | 0 | 2 | 13 | 1 | 0 | 4.39 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 95 | 58 | 0 | 4 | 1 | 2.10 | .235 | 0.91 | 5.7 | 2.5 | 8.6 | 85.2 | 54 | 20 | 20 | 5 | 24 | 81 | 0 | 4 | 1 | 0 | 0 | 1 | 2 | 2.74 |
| RP | Calero, K.Calero, Kiko † >> | 29 | 2004 | R | 88 | 57 | 0 | 5 | 2 | 2.51 | .269 | 1.09 | 6.4 | 3.5 | 9.2 | 75.1 | 53 | 21 | 21 | 10 | 29 | 77 | 0 | 12 | 4 | 0 | 0 | 1 | 3 | 3.88 |
| RP | Isringhausen, J.Isringhausen, Jason >> | 32 | 2004 | R | 68 | 33 | 0 | 3 | 3 | 2.56 | .288 | 1.19 | 7.8 | 3.1 | 5.9 | 38.2 | 33 | 12 | 11 | 7 | 13 | 25 | 0 | 5 | 3 | 0 | 0 | 1 | 0 | 5.18 |
| SP | Haines, J.Haines, Jesse >> | 34 | 1927 | R | 30 | 14 | 6 | 5 | 2 | 4.93 | .346 | 1.56 | 10.6 | 3.5 | 6.3 | 73.0 | 86 | 40 | 40 | 10 | 28 | 51 | 0 | 0 | 0 | 0 | 3 | 2 | 5 | 4.62 |