| SP | DeLeon, J.DeLeon, Jose >> | 29 | 1989 | R | 100 | 20 | 20 | 7 | 7 | 4.00 | .306 | 1.31 | 8.2 | 3.6 | 4.5 | 137.1 | 125 | 63 | 61 | 12 | 55 | 69 | 2 | 0 | 0 | 1 | 11 | 2 | 2 | 4.38 |
| SP | Benes, A.Benes, Andy † >> | 22 | 1989 | R | 76 | 19 | 19 | 9 | 7 | 3.85 | .311 | 1.34 | 8.2 | 3.8 | 7.7 | 131.0 | 120 | 59 | 56 | 11 | 56 | 112 | 5 | 0 | 0 | 2 | 11 | 1 | 0 | 3.69 |
| SP | Drabek, D.Drabek, Doug >> | 27 | 1989 | R | 74 | 18 | 18 | 10 | 4 | 4.10 | .357 | 1.66 | 10.8 | 4.2 | 4.9 | 118.2 | 142 | 57 | 54 | 13 | 55 | 64 | 1 | 0 | 0 | 0 | 11 | 1 | 4 | 4.77 |
| SP | Finley, C.Finley, Chuck # >> | 27 | 1989 | L | 61 | 18 | 18 | 8 | 6 | 3.96 | .297 | 1.26 | 8.5 | 3.0 | 6.0 | 131.2 | 123 | 58 | 58 | 8 | 43 | 87 | 3 | 0 | 0 | 1 | 10 | 1 | 2 | 3.47 |
| RP | Darwin, D.Darwin, Danny † >> | 34 | 1989 | R | 89 | 54 | 0 | 3 | 2 | 3.05 | .270 | 1.10 | 7.5 | 2.4 | 4.6 | 85.2 | 71 | 29 | 29 | 7 | 23 | 43 | 0 | 12 | 0 | 0 | 0 | 1 | 1 | 3.91 |
| RP | Harvey, B.Harvey, Bryan >> | 26 | 1989 | R | 59 | 4 | 0 | 0 | 1 | 5.40 | .286 | 1.20 | 9.0 | 9.0 | 9.0 | 1.2 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.00 |
| RP | Crawford, S.Crawford, Steve >> | 31 | 1989 | R | 47 | 14 | 0 | 1 | 0 | 3.06 | .303 | 1.30 | 10.1 | 2.1 | 4.8 | 17.2 | 19 | 6 | 6 | 3 | 4 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.94 |
| SP | Martinez, D.Martinez, Dennis >> | 34 | 1989 | R | 55 | 2 | 0 | 1 | 0 | 3.77 | .348 | 1.60 | 10.3 | 4.5 | 4.5 | 14.1 | 16 | 6 | 6 | 1 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4.43 |