| SP | DeLeon, J.DeLeon, Jose >> | 29 | 1989 | R | 95 | 30 | 30 | 5 | 14 | 4.38 | .316 | 1.36 | 8.2 | 4.1 | 5.6 | 176.2 | 160 | 103 | 86 | 17 | 80 | 110 | 0 | 0 | 0 | 0 | 16 | 5 | 5 | 4.45 |
| SP | Niekro, J.Niekro, Joe # >> | 38 | 1982 | R | 58 | 29 | 29 | 12 | 11 | 3.97 | .316 | 1.38 | 9.7 | 2.8 | 5.2 | 208.1 | 224 | 105 | 92 | 20 | 64 | 121 | 5 | 0 | 0 | 2 | 16 | 1 | 9 | 4.02 |
| SP | Belcher, T.Belcher, Tim >> | 28 | 1989 | R | 55 | 29 | 29 | 7 | 14 | 6.10 | .364 | 1.71 | 10.3 | 5.1 | 6.1 | 141.2 | 162 | 113 | 96 | 20 | 80 | 96 | 0 | 0 | 0 | 0 | 3 | 1 | 3 | 5.21 |
| RP | Howell, J.Howell, Jay # >> | 33 | 1988 | R | 81 | 38 | 0 | 0 | 3 | 5.31 | .344 | 1.57 | 11.7 | 2.7 | 11.5 | 40.2 | 52 | 28 | 24 | 5 | 12 | 51 | 0 | 4 | 1 | 0 | 0 | 0 | 3 | 2.98 |
| SP | Drabek, D.Drabek, Doug >> | 26 | 1988 | R | 39 | 5 | 0 | 1 | 0 | 2.00 | .206 | 0.78 | 4.0 | 3.0 | 7.0 | 9.0 | 4 | 2 | 2 | 0 | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.44 |