| SP | DeLeon, J.DeLeon, Jose >> | 29 | 1989 | R | 100 | 34 | 34 | 12 | 14 | 2.78 | .283 | 1.18 | 6.9 | 3.7 | 5.5 | 256.0 | 197 | 81 | 79 | 13 | 106 | 157 | 6 | 0 | 0 | 1 | 26 | 0 | 6 | 3.68 |
| SP | Perez, P.Perez, Pascual >> | 32 | 1989 | R | 82 | 33 | 33 | 15 | 12 | 4.47 | .312 | 1.35 | 9.6 | 2.6 | 4.7 | 209.1 | 223 | 105 | 104 | 19 | 60 | 109 | 0 | 0 | 0 | 0 | 20 | 2 | 1 | 4.03 |
| SP | Hanson, E.Hanson, Erik >> | 24 | 1989 | R | 63 | 32 | 32 | 8 | 15 | 4.88 | .346 | 1.58 | 10.5 | 3.8 | 4.7 | 203.0 | 236 | 115 | 110 | 15 | 85 | 106 | 1 | 0 | 0 | 0 | 17 | 1 | 3 | 4.19 |
| RP | Orosco, J.Orosco, Jesse >> | 32 | 1989 | L | 96 | 110 | 0 | 2 | 5 | 4.55 | .293 | 1.23 | 7.8 | 3.3 | 7.8 | 83.0 | 72 | 43 | 42 | 10 | 30 | 72 | 0 | 5 | 4 | 0 | 0 | 1 | 0 | 3.95 |
| RP | Reardon, J.Reardon, Jeff >> | 34 | 1989 | R | 61 | 70 | 0 | 1 | 2 | 2.81 | .301 | 1.28 | 8.2 | 3.4 | 3.8 | 67.1 | 61 | 21 | 21 | 4 | 25 | 28 | 0 | 10 | 2 | 0 | 0 | 1 | 2 | 4.10 |
| RP | Parrett, J.Parrett, Jeff >> | 28 | 1989 | R | 56 | 48 | 0 | 9 | 6 | 2.44 | .272 | 1.12 | 6.7 | 3.4 | 5.8 | 59.0 | 44 | 17 | 16 | 3 | 22 | 38 | 0 | 2 | 2 | 0 | 0 | 0 | 3 | 3.49 |