| SP | Chance, D.Chance, Dean >> | 27 | 1968 | R | 90 | 28 | 28 | 13 | 8 | 4.27 | .304 | 1.29 | 8.8 | 2.9 | 4.8 | 189.2 | 184 | 91 | 90 | 19 | 61 | 101 | 4 | 0 | 0 | 2 | 13 | 4 | 6 | 4.27 |
| SP | Ellsworth, D.Ellsworth, Dick >> | 23 | 1963 | L | 75 | 28 | 28 | 8 | 11 | 5.05 | .328 | 1.44 | 9.7 | 3.3 | 4.3 | 187.0 | 202 | 118 | 105 | 19 | 68 | 90 | 8 | 0 | 0 | 2 | 12 | 4 | 4 | 4.51 |
| SP | Koosman, J.Koosman, Jerry >> | 27 | 1969 | L | 68 | 27 | 27 | 11 | 12 | 5.27 | .335 | 1.50 | 9.7 | 3.8 | 4.8 | 181.0 | 195 | 114 | 106 | 21 | 77 | 96 | 4 | 0 | 0 | 0 | 10 | 1 | 3 | 4.74 |
| SP | Niekro, P.Niekro, Phil >> | 30 | 1969 | R | 60 | 26 | 26 | 8 | 12 | 5.62 | .336 | 1.52 | 10.6 | 3.1 | 5.1 | 166.2 | 196 | 112 | 104 | 23 | 57 | 94 | 0 | 0 | 0 | 0 | 9 | 0 | 7 | 4.70 |
| CL | Romo, V.Romo, Vicente † >> | 25 | 1968 | R | 100 | 59 | 0 | 5 | 8 | 2.77 | .293 | 1.23 | 7.4 | 3.7 | 4.6 | 68.1 | 56 | 24 | 21 | 3 | 28 | 35 | 0 | 38 | 4 | 0 | 0 | 1 | 2 | 3.82 |
| RP | Richert, P.Richert, Pete >> | 30 | 1969 | L | 84 | 68 | 0 | 7 | 2 | 4.94 | .339 | 1.53 | 9.9 | 4.0 | 5.5 | 74.2 | 81 | 46 | 41 | 12 | 33 | 45 | 0 | 1 | 7 | 0 | 0 | 1 | 1 | 5.27 |
| RP | Caldwell, E.Caldwell, Earl >> | 41 | 1946 | R | 82 | 39 | 0 | 4 | 0 | 4.31 | .311 | 1.31 | 7.5 | 4.4 | 3.3 | 62.2 | 52 | 31 | 30 | 6 | 30 | 23 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 5.11 |
| RP | Nelson, R.Nelson, Roger >> | 24 | 1968 | R | 75 | 22 | 0 | 3 | 1 | 8.38 | .412 | 2.10 | 11.8 | 7.1 | 7.4 | 29.0 | 38 | 34 | 27 | 4 | 23 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5.52 |
| RP | Fisher, E.Fisher, Eddie >> | 28 | 1964 | R | 89 | 23 | 0 | 0 | 1 | 3.89 | .322 | 1.42 | 9.9 | 3.0 | 3.9 | 39.1 | 43 | 20 | 17 | 5 | 13 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4.79 |