| SP | Willoughby, J.Willoughby, Jim † >> | 23 | 1972 | R | 83 | 31 | 31 | 14 | 15 | 4.59 | .319 | 1.39 | 10.3 | 2.2 | 4.9 | 241.1 | 276 | 136 | 123 | 37 | 59 | 132 | 12 | 0 | 0 | 1 | 14 | 4 | 3 | 4.68 |
| SP | Niekro, P.Niekro, Phil >> | 35 | 1974 | R | 65 | 30 | 30 | 13 | 8 | 5.74 | .346 | 1.56 | 10.1 | 4.0 | 3.7 | 200.2 | 225 | 132 | 128 | 25 | 88 | 83 | 3 | 0 | 0 | 0 | 10 | 5 | 5 | 5.19 |
| SP | McNally, D.McNally, Dave # >> | 29 | 1971 | L | 57 | 30 | 30 | 15 | 8 | 6.08 | .356 | 1.64 | 11.0 | 3.8 | 4.3 | 208.2 | 254 | 144 | 141 | 29 | 88 | 99 | 7 | 0 | 0 | 0 | 9 | 4 | 5 | 5.19 |
| SP | Pattin, M.Pattin, Marty >> | 28 | 1971 | R | 49 | 29 | 29 | 10 | 10 | 5.97 | .362 | 1.69 | 11.7 | 3.5 | 5.9 | 193.0 | 250 | 132 | 128 | 24 | 76 | 126 | 3 | 0 | 0 | 0 | 10 | 3 | 2 | 4.54 |
| RP | Hamilton, S.Hamilton, Steve >> | 36 | 1971 | L | 98 | 71 | 0 | 4 | 1 | 3.51 | .310 | 1.30 | 9.0 | 2.8 | 4.9 | 84.2 | 84 | 35 | 33 | 6 | 26 | 46 | 0 | 9 | 2 | 0 | 0 | 4 | 1 | 3.90 |
| RP | Harrison, R.Harrison, Roric # >> | 26 | 1972 | R | 66 | 42 | 0 | 6 | 9 | 4.41 | .315 | 1.37 | 7.8 | 4.6 | 4.3 | 67.1 | 58 | 36 | 33 | 7 | 34 | 32 | 0 | 4 | 4 | 0 | 0 | 1 | 6 | 4.97 |
| RP | Apodaca, B.Apodaca, Bob >> | 25 | 1975 | R | 49 | 25 | 0 | 2 | 0 | 3.18 | .327 | 1.46 | 8.2 | 5.3 | 4.9 | 22.2 | 20 | 8 | 8 | 2 | 13 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 4.86 |
| RP | Garman, M.Garman, Mike >> | 25 | 1974 | R | 39 | 19 | 0 | 3 | 0 | 3.18 | .274 | 1.13 | 7.1 | 3.2 | 5.5 | 28.1 | 22 | 10 | 10 | 3 | 10 | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4.25 |