| SP | Sutcliffe, R.Sutcliffe, Rick # >> | 33 | 1989 | R | 71 | 35 | 35 | 17 | 13 | 4.09 | .296 | 1.25 | 9.2 | 2.1 | 5.0 | 248.2 | 253 | 115 | 113 | 24 | 59 | 139 | 3 | 0 | 0 | 0 | 23 | 2 | 8 | 3.88 |
| SP | Candiotti, T.Candiotti, Tom # >> | 32 | 1989 | R | 66 | 34 | 34 | 15 | 12 | 4.42 | .319 | 1.40 | 9.4 | 3.2 | 5.3 | 240.1 | 251 | 124 | 118 | 21 | 85 | 141 | 7 | 0 | 0 | 1 | 19 | 1 | 8 | 4.04 |
| SP | Tanana, F.Tanana, Frank >> | 36 | 1989 | L | 28 | 31 | 31 | 12 | 11 | 4.77 | .324 | 1.42 | 10.2 | 2.7 | 4.5 | 217.0 | 245 | 118 | 115 | 19 | 64 | 108 | 5 | 0 | 0 | 1 | 13 | 3 | 6 | 4.07 |
| RP | Russell, J.Russell, Jeff >> | 28 | 1989 | R | 99 | 90 | 0 | 2 | 2 | 2.85 | .297 | 1.27 | 6.8 | 4.6 | 8.3 | 113.2 | 86 | 37 | 36 | 4 | 58 | 104 | 0 | 10 | 3 | 0 | 0 | 0 | 8 | 3.16 |
| RP | Landrum, B.Landrum, Bill >> | 32 | 1989 | R | 76 | 49 | 0 | 3 | 1 | 1.37 | .248 | 0.99 | 5.8 | 3.2 | 4.8 | 65.2 | 42 | 13 | 10 | 4 | 23 | 35 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 3.78 |
| RP | DiPino, F.DiPino, Frank >> | 33 | 1989 | L | 70 | 28 | 0 | 2 | 3 | 4.44 | .363 | 1.71 | 12.5 | 3.1 | 4.5 | 26.1 | 36 | 13 | 13 | 5 | 9 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 5.54 |
| RP | Quisenberry, D.Quisenberry, Dan >> | 36 | 1989 | R | 40 | 17 | 0 | 2 | 1 | 3.80 | .289 | 1.17 | 9.0 | 1.7 | 5.6 | 21.1 | 21 | 9 | 9 | 1 | 4 | 13 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 3.10 |
| SP | Langston, M.Langston, Mark >> | 29 | 1989 | L | 72 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Bedrosian, S.Bedrosian, Steve >> | 32 | 1989 | R | 78 | 25 | 0 | 0 | 0 | 4.08 | .289 | 1.22 | 6.4 | 4.8 | 7.1 | 28.2 | 20 | 13 | 13 | 3 | 15 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4.43 |