| SP | Valenzuela, F.Valenzuela, Fernando >> | 21 | 1981 | L | 100 | 42 | 42 | 21 | 12 | 3.96 | .319 | 1.40 | 8.6 | 4.0 | 6.5 | 300.0 | 287 | 143 | 132 | 19 | 133 | 215 | 12 | 0 | 0 | 2 | 22 | 1 | 8 | 3.73 |
| SP | Reuss, J.Reuss, Jerry # >> | 32 | 1980 | L | 95 | 41 | 41 | 16 | 18 | 4.48 | .314 | 1.36 | 9.7 | 2.6 | 4.6 | 257.1 | 277 | 141 | 128 | 18 | 74 | 132 | 1 | 0 | 0 | 1 | 22 | 2 | 6 | 3.77 |
| SP | Hooton, B.Hooton, Burt # >> | 31 | 1981 | R | 91 | 40 | 40 | 17 | 10 | 4.27 | .323 | 1.41 | 10.0 | 2.7 | 4.8 | 244.1 | 271 | 133 | 116 | 19 | 74 | 130 | 2 | 0 | 0 | 1 | 20 | 5 | 8 | 3.92 |
| RP | Hough, C.Hough, Charlie >> | 33 | 1981 | R | 90 | 89 | 0 | 7 | 7 | 4.34 | .323 | 1.43 | 8.6 | 4.3 | 5.7 | 114.0 | 109 | 62 | 55 | 12 | 54 | 72 | 0 | 11 | 9 | 0 | 0 | 0 | 4 | 4.53 |
| RP | Castillo, B.Castillo, Bobby >> | 26 | 1980 | R | 78 | 67 | 0 | 9 | 3 | 2.01 | .291 | 1.20 | 6.2 | 4.6 | 4.2 | 62.2 | 43 | 15 | 14 | 2 | 32 | 29 | 0 | 12 | 2 | 0 | 0 | 2 | 3 | 4.13 |
| RP | Stewart, D.Stewart, Dave >> | 24 | 1981 | R | 68 | 28 | 0 | 2 | 3 | 4.94 | .330 | 1.44 | 8.6 | 4.7 | 3.5 | 23.2 | 22 | 13 | 13 | 1 | 12 | 9 | 0 | 6 | 0 | 0 | 0 | 1 | 1 | 4.48 |
| RP | Searage, R.Searage, Ray >> | 26 | 1981 | L | 38 | 41 | 0 | 2 | 2 | 4.05 | .294 | 1.25 | 8.1 | 3.2 | 5.9 | 20.0 | 18 | 11 | 9 | 1 | 7 | 13 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3.40 |
| RP | Patterson, D.Patterson, Dave >> | 25 | 1979 | R | 35 | 31 | 0 | 1 | 1 | 2.19 | .265 | 1.05 | 6.8 | 2.7 | 5.6 | 37.0 | 28 | 11 | 9 | 2 | 11 | 23 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 3.43 |
| SP | Sutcliffe, R.Sutcliffe, Rick >> | 25 | 1979 | R | 57 | 18 | 0 | 3 | 2 | 4.25 | .279 | 1.16 | 7.6 | 3.0 | 4.9 | 82.2 | 69 | 39 | 39 | 6 | 27 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3.84 |