| SP | Heathcock, J.Heathcock, Jeff >> | 24 | 1983 | R | 95 | 31 | 31 | 13 | 7 | 3.33 | .280 | 1.16 | 8.1 | 2.4 | 5.2 | 167.2 | 150 | 68 | 62 | 10 | 45 | 97 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 3.44 |
| SP | Madden, M.Madden, Mike >> | 25 | 1983 | L | 76 | 31 | 31 | 5 | 3 | 3.34 | .279 | 1.15 | 6.7 | 3.7 | 4.6 | 121.1 | 90 | 55 | 45 | 8 | 50 | 62 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 4.10 |
| SP | Niekro, J.Niekro, Joe # >> | 39 | 1983 | R | 72 | 30 | 30 | 14 | 12 | 4.20 | .318 | 1.39 | 8.6 | 3.9 | 5.5 | 216.1 | 207 | 106 | 101 | 10 | 94 | 131 | 8 | 0 | 0 | 2 | 15 | 1 | 11 | 3.71 |
| RP | Dawley, B.Dawley, Bill >> | 25 | 1983 | R | 100 | 79 | 0 | 7 | 5 | 3.64 | .284 | 1.19 | 7.1 | 3.7 | 5.7 | 123.2 | 97 | 51 | 50 | 6 | 50 | 78 | 0 | 10 | 4 | 0 | 0 | 0 | 3 | 3.59 |
| RP | DiPino, F.DiPino, Frank >> | 27 | 1983 | L | 98 | 102 | 0 | 9 | 4 | 4.00 | .300 | 1.27 | 8.0 | 3.4 | 6.4 | 81.0 | 72 | 36 | 36 | 4 | 31 | 58 | 0 | 4 | 6 | 0 | 0 | 1 | 2 | 3.40 |
| RP | LaCorte, F.LaCorte, Frank >> | 32 | 1983 | R | 92 | 77 | 0 | 4 | 4 | 3.12 | .266 | 1.08 | 5.7 | 4.0 | 5.8 | 104.0 | 66 | 38 | 36 | 8 | 46 | 67 | 0 | 16 | 4 | 0 | 0 | 1 | 2 | 4.07 |
| RP | Ruhle, V.Ruhle, Vern # >> | 32 | 1983 | R | 66 | 43 | 0 | 6 | 9 | 4.81 | .341 | 1.55 | 10.4 | 3.7 | 3.7 | 63.2 | 73 | 37 | 34 | 6 | 26 | 26 | 0 | 7 | 4 | 0 | 0 | 0 | 1 | 4.65 |
| SP | LaCoss, M.LaCoss, Mike >> | 27 | 1983 | R | 27 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Knepper, B.Knepper, Bob >> | 29 | 1983 | L | 54 | 5 | 0 | 0 | 0 | 1.69 | .200 | 0.75 | 5.4 | 1.8 | 9.0 | 5.1 | 3 | 1 | 1 | 0 | 1 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1.60 |