| SP | Righetti, D.Righetti, Dave >> | 23 | 1981 | L | 98 | 29 | 29 | 13 | 11 | 3.28 | .298 | 1.26 | 8.3 | 3.1 | 4.8 | 203.0 | 187 | 76 | 74 | 6 | 69 | 109 | 4 | 0 | 0 | 3 | 19 | 2 | 1 | 3.36 |
| SP | Martin, J.Martin, John † >> | 25 | 1981 | L | 84 | 28 | 28 | 14 | 9 | 2.94 | .278 | 1.15 | 7.7 | 2.6 | 4.6 | 190.0 | 163 | 66 | 62 | 9 | 55 | 98 | 0 | 0 | 0 | 0 | 22 | 1 | 0 | 3.47 |
| SP | Barker, L.Barker, Len # >> | 26 | 1981 | R | 52 | 26 | 26 | 8 | 8 | 4.99 | .334 | 1.49 | 10.1 | 3.4 | 5.5 | 149.2 | 167 | 89 | 83 | 8 | 56 | 91 | 0 | 0 | 0 | 0 | 14 | 2 | 8 | 3.64 |
| CL | Gossage, R.Gossage, Rich † >> | 30 | 1981 | R | 100 | 53 | 0 | 5 | 2 | 1.69 | .287 | 1.19 | 5.9 | 5.0 | 6.8 | 58.2 | 38 | 11 | 11 | 3 | 32 | 44 | 0 | 38 | 4 | 0 | 0 | 1 | 1 | 3.86 |
| SU | Reardon, J.Reardon, Jeff # >> | 26 | 1981 | R | 98 | 52 | 0 | 1 | 3 | 2.77 | .263 | 1.07 | 7.3 | 2.4 | 5.0 | 68.1 | 55 | 21 | 21 | 3 | 18 | 38 | 0 | 8 | 6 | 0 | 0 | 0 | 3 | 3.25 |
| RP | McLaughlin, J.McLaughlin, Joey >> | 25 | 1981 | R | 64 | 39 | 0 | 3 | 3 | 3.27 | .317 | 1.36 | 9.8 | 2.5 | 5.7 | 33.0 | 36 | 12 | 12 | 2 | 9 | 21 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 3.42 |
| RP | Niedenfuer, T.Niedenfuer, Tom >> | 22 | 1981 | R | 61 | 22 | 0 | 3 | 1 | 6.62 | .398 | 1.98 | 11.6 | 6.9 | 1.6 | 17.2 | 22 | 15 | 13 | 0 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.94 |
| RP | Martin, R.Martin, Renie >> | 26 | 1981 | R | 43 | 12 | 0 | 2 | 0 | 1.06 | .250 | 1.00 | 5.3 | 3.7 | 3.7 | 17.0 | 10 | 2 | 2 | 0 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.41 |
| RP | Burgmeier, T.Burgmeier, Tom >> | 38 | 1981 | L | 44 | 43 | 0 | 1 | 1 | 4.45 | .303 | 1.31 | 8.4 | 3.5 | 5.1 | 28.1 | 26 | 14 | 14 | 2 | 11 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.96 |