| SP | Seaver, T.Seaver, Tom † >> | 37 | 1981 | R | 93 | 27 | 27 | 12 | 12 | 2.70 | .312 | 1.36 | 7.6 | 4.6 | 5.0 | 196.2 | 166 | 69 | 59 | 6 | 101 | 109 | 6 | 0 | 0 | 3 | 21 | 1 | 5 | 3.85 |
| SP | Flanagan, M.Flanagan, Mike >> | 30 | 1981 | L | 63 | 26 | 26 | 5 | 11 | 4.52 | .349 | 1.58 | 9.5 | 4.7 | 4.6 | 133.1 | 141 | 72 | 67 | 6 | 70 | 68 | 0 | 0 | 0 | 0 | 9 | 3 | 3 | 4.21 |
| SP | Leonard, D.Leonard, Dennis >> | 30 | 1981 | R | 54 | 25 | 25 | 6 | 11 | 5.23 | .366 | 1.72 | 12.5 | 3.1 | 4.6 | 144.2 | 200 | 103 | 84 | 12 | 49 | 74 | 2 | 0 | 0 | 0 | 7 | 2 | 2 | 4.12 |
| SP | Reuschel, R.Reuschel, Rick >> | 32 | 1981 | R | 38 | 27 | 24 | 2 | 13 | 6.29 | .371 | 1.76 | 12.7 | 3.2 | 4.6 | 121.2 | 171 | 97 | 85 | 8 | 43 | 62 | 0 | 0 | 0 | 0 | 10 | 1 | 2 | 3.93 |
| RP | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 100 | 74 | 0 | 5 | 3 | 2.67 | .300 | 1.27 | 7.5 | 3.9 | 8.2 | 101.0 | 84 | 37 | 30 | 5 | 44 | 92 | 0 | 3 | 3 | 0 | 0 | 2 | 6 | 3.19 |
| RP | Fingers, R.Fingers, Rollie † >> | 35 | 1981 | R | 99 | 72 | 0 | 9 | 6 | 2.88 | .260 | 1.04 | 7.1 | 2.3 | 5.3 | 109.1 | 86 | 48 | 35 | 5 | 28 | 64 | 0 | 9 | 8 | 0 | 0 | 1 | 1 | 3.22 |
| RP | Fryman, W.Fryman, Woodie >> | 41 | 1981 | L | 75 | 86 | 0 | 4 | 2 | 3.46 | .288 | 1.21 | 8.2 | 2.8 | 5.4 | 67.2 | 61 | 26 | 26 | 4 | 21 | 40 | 0 | 4 | 3 | 0 | 0 | 0 | 0 | 3.52 |
| RP | McLaughlin, J.McLaughlin, Joey >> | 25 | 1981 | R | 64 | 54 | 0 | 4 | 4 | 4.60 | .319 | 1.40 | 8.6 | 4.2 | 5.2 | 62.2 | 59 | 35 | 32 | 2 | 29 | 36 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 3.66 |
| RP | Solomon, E.Solomon, Eddie >> | 30 | 1981 | R | 48 | 45 | 0 | 1 | 2 | 3.69 | .321 | 1.42 | 9.4 | 3.4 | 4.2 | 68.1 | 71 | 30 | 28 | 3 | 26 | 32 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 3.78 |