| SP | Heathcock, J.Heathcock, Jeff >> | 24 | 1983 | R | 94 | 36 | 36 | 16 | 8 | 3.07 | .292 | 1.22 | 8.8 | 2.3 | 4.6 | 184.2 | 179 | 71 | 63 | 12 | 47 | 95 | 0 | 0 | 0 | 0 | 13 | 3 | 0 | 3.63 |
| SP | Righetti, D.Righetti, Dave # >> | 25 | 1983 | L | 84 | 33 | 31 | 15 | 12 | 3.28 | .291 | 1.22 | 8.1 | 3.0 | 5.6 | 241.2 | 217 | 91 | 88 | 17 | 79 | 149 | 6 | 0 | 0 | 2 | 22 | 2 | 8 | 3.69 |
| SP | Valenzuela, F.Valenzuela, Fernando >> | 23 | 1983 | L | 52 | 32 | 32 | 9 | 12 | 4.34 | .333 | 1.49 | 10.2 | 3.2 | 4.5 | 209.2 | 238 | 108 | 101 | 15 | 75 | 105 | 4 | 0 | 0 | 1 | 14 | 1 | 13 | 4.02 |
| RP | Andujar, J.Andujar, Joaquin >> | 31 | 1983 | R | 44 | 76 | 0 | 14 | 1 | 3.79 | .315 | 1.38 | 9.0 | 3.5 | 5.6 | 168.2 | 168 | 83 | 71 | 12 | 65 | 104 | 0 | 2 | 1 | 0 | 0 | 0 | 5 | 3.85 |
| RP | Schmidt, D.Schmidt, Dave >> | 26 | 1983 | R | 69 | 61 | 0 | 5 | 1 | 3.09 | .318 | 1.39 | 9.3 | 3.2 | 5.2 | 78.2 | 81 | 31 | 27 | 7 | 28 | 45 | 0 | 4 | 2 | 0 | 0 | 1 | 4 | 4.13 |
| RP | Burns, B.Burns, Britt # >> | 24 | 1983 | L | 50 | 34 | 0 | 3 | 3 | 4.53 | .317 | 1.39 | 9.7 | 3.0 | 5.3 | 51.2 | 55 | 27 | 26 | 8 | 17 | 30 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 4.86 |
| CL | Quisenberry, D.Quisenberry, Dan † >> | 30 | 1983 | R | 79 | 70 | 0 | 7 | 6 | 3.13 | .270 | 1.09 | 8.1 | 1.8 | 4.0 | 86.1 | 77 | 30 | 30 | 4 | 17 | 38 | 0 | 44 | 8 | 0 | 0 | 2 | 0 | 3.38 |