| SP | Willoughby, J.Willoughby, Jim >> | 23 | 1972 | R | 83 | 33 | 33 | 11 | 19 | 4.58 | .325 | 1.43 | 10.5 | 2.4 | 4.5 | 255.1 | 297 | 142 | 130 | 31 | 69 | 128 | 12 | 0 | 0 | 2 | 11 | 3 | 8 | 4.42 |
| SP | Blyleven, B.Blyleven, Bert # >> | 24 | 1975 | R | 77 | 32 | 32 | 14 | 13 | 4.30 | .297 | 1.24 | 8.1 | 3.1 | 6.0 | 244.2 | 220 | 125 | 117 | 24 | 83 | 162 | 15 | 0 | 0 | 3 | 16 | 7 | 6 | 4.06 |
| SP | Niekro, P.Niekro, Phil # >> | 35 | 1974 | R | 65 | 32 | 32 | 11 | 13 | 5.17 | .341 | 1.55 | 10.3 | 3.6 | 5.3 | 222.2 | 255 | 138 | 128 | 24 | 90 | 131 | 6 | 0 | 0 | 0 | 14 | 0 | 4 | 4.44 |
| SP | Marichal, J.Marichal, Juan >> | 34 | 1971 | R | 64 | 31 | 31 | 12 | 13 | 6.66 | .352 | 1.62 | 11.4 | 3.2 | 5.0 | 205.1 | 260 | 157 | 152 | 29 | 72 | 115 | 5 | 0 | 0 | 1 | 10 | 3 | 3 | 4.81 |
| RP | Brewer, J.Brewer, Jim † >> | 35 | 1972 | L | 100 | 76 | 0 | 8 | 5 | 3.05 | .279 | 1.14 | 6.8 | 3.5 | 5.8 | 97.1 | 73 | 38 | 33 | 9 | 38 | 62 | 0 | 11 | 3 | 0 | 0 | 2 | 3 | 4.16 |
| RP | Reynolds, B.Reynolds, Bob >> | 26 | 1973 | R | 62 | 36 | 0 | 7 | 5 | 3.12 | .300 | 1.27 | 8.1 | 3.5 | 6.0 | 60.2 | 54 | 21 | 21 | 3 | 23 | 40 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 3.52 |
| RP | Apodaca, B.Apodaca, Bob >> | 25 | 1975 | R | 49 | 14 | 0 | 0 | 0 | 0.61 | .290 | 1.16 | 7.1 | 3.9 | 5.8 | 14.2 | 11 | 1 | 1 | 0 | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3.21 |
| RP | Garman, M.Garman, Mike >> | 25 | 1974 | R | 39 | 26 | 0 | 0 | 0 | 2.36 | .309 | 1.34 | 7.4 | 4.8 | 4.8 | 34.1 | 28 | 9 | 9 | 2 | 18 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4.29 |
| SP | Stottlemyre, M.Stottlemyre, Mel >> | 30 | 1971 | R | 43 | 2 | 0 | 0 | 1 | 9.00 | .375 | 1.80 | 10.8 | 5.4 | 9.0 | 5.0 | 6 | 5 | 5 | 1 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.40 |