| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 97 | 24 | 24 | 4 | 16 | 4.75 | .315 | 1.37 | 9.3 | 3.1 | 6.2 | 130.2 | 134 | 74 | 69 | 14 | 45 | 89 | 1 | 0 | 0 | 0 | 6 | 1 | 1 | 4.09 |
| SP | Willoughby, J.Willoughby, Jim # >> | 23 | 1972 | R | 83 | 24 | 24 | 12 | 8 | 3.88 | .284 | 1.18 | 8.5 | 2.1 | 4.5 | 197.0 | 187 | 92 | 85 | 22 | 46 | 99 | 13 | 0 | 0 | 3 | 10 | 1 | 1 | 4.16 |
| SP | Niekro, P.Niekro, Phil >> | 35 | 1974 | R | 65 | 23 | 23 | 12 | 9 | 3.95 | .294 | 1.24 | 8.2 | 3.0 | 5.0 | 175.1 | 160 | 80 | 77 | 10 | 58 | 98 | 5 | 0 | 0 | 0 | 12 | 1 | 3 | 3.63 |
| SP | Dobson, P.Dobson, Pat # >> | 29 | 1971 | R | 53 | 23 | 23 | 5 | 13 | 5.60 | .332 | 1.48 | 10.0 | 3.3 | 5.8 | 154.1 | 171 | 98 | 96 | 14 | 57 | 99 | 4 | 0 | 0 | 0 | 7 | 2 | 6 | 4.05 |
| RP | Hamilton, S.Hamilton, Steve >> | 36 | 1971 | L | 98 | 55 | 0 | 2 | 1 | 3.75 | .290 | 1.21 | 7.4 | 3.5 | 5.5 | 74.1 | 61 | 32 | 31 | 8 | 29 | 45 | 0 | 7 | 2 | 0 | 0 | 1 | 4 | 4.41 |
| RP | Giusti, D.Giusti, Dave >> | 33 | 1972 | R | 63 | 32 | 0 | 0 | 1 | 4.75 | .337 | 1.53 | 11.0 | 2.8 | 5.3 | 36.0 | 44 | 23 | 19 | 5 | 11 | 21 | 0 | 5 | 3 | 0 | 0 | 0 | 1 | 4.56 |
| RP | Apodaca, B.Apodaca, Bob >> | 25 | 1975 | R | 49 | 26 | 0 | 4 | 1 | 3.04 | .292 | 1.24 | 8.7 | 2.8 | 6.2 | 26.2 | 25 | 9 | 9 | 1 | 8 | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 3.04 |
| RP | Garman, M.Garman, Mike >> | 25 | 1974 | R | 39 | 31 | 0 | 0 | 3 | 2.68 | .288 | 1.19 | 6.3 | 4.4 | 4.9 | 37.0 | 26 | 11 | 11 | 3 | 18 | 20 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 4.51 |
| SP | Stottlemyre, M.Stottlemyre, Mel >> | 30 | 1971 | R | 43 | 10 | 0 | 1 | 1 | 4.24 | .320 | 1.41 | 10.1 | 2.6 | 5.8 | 17.0 | 19 | 8 | 8 | 3 | 5 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.88 |