| SP | Saberhagen, B.Saberhagen, Bret >> | 25 | 1989 | R | 96 | 34 | 34 | 15 | 14 | 3.93 | .302 | 1.29 | 9.3 | 2.3 | 5.6 | 238.1 | 246 | 110 | 104 | 13 | 62 | 148 | 4 | 0 | 0 | 1 | 20 | 1 | 5 | 3.26 |
| SP | Moore, M.Moore, Mike # >> | 30 | 1989 | R | 88 | 33 | 33 | 11 | 15 | 4.46 | .317 | 1.38 | 9.5 | 2.9 | 5.9 | 208.0 | 220 | 110 | 103 | 17 | 67 | 136 | 3 | 0 | 0 | 0 | 20 | 2 | 6 | 3.75 |
| SP | Langston, M.Langston, Mark >> | 29 | 1989 | L | 72 | 32 | 32 | 13 | 14 | 5.55 | .358 | 1.67 | 9.7 | 5.3 | 4.9 | 199.1 | 215 | 134 | 123 | 14 | 117 | 109 | 3 | 0 | 0 | 0 | 13 | 1 | 4 | 4.60 |
| SP | Candiotti, T.Candiotti, Tom # >> | 32 | 1989 | R | 66 | 32 | 32 | 14 | 12 | 5.08 | .344 | 1.57 | 11.1 | 3.1 | 5.0 | 196.2 | 241 | 120 | 111 | 19 | 67 | 109 | 2 | 0 | 0 | 1 | 13 | 2 | 7 | 4.20 |
| SP | Magrane, J.Magrane, Joe >> | 25 | 1989 | L | 50 | 31 | 31 | 11 | 10 | 4.99 | .352 | 1.62 | 11.1 | 3.5 | 4.5 | 193.0 | 238 | 112 | 107 | 11 | 75 | 96 | 1 | 0 | 0 | 0 | 15 | 2 | 8 | 3.94 |
| CL | McClure, B.McClure, Bob >> | 37 | 1989 | L | 86 | 57 | 0 | 2 | 5 | 3.15 | .277 | 1.15 | 7.9 | 2.5 | 4.7 | 40.0 | 35 | 15 | 14 | 4 | 11 | 21 | 0 | 14 | 1 | 0 | 0 | 0 | 0 | 4.08 |
| RP | Landrum, B.Landrum, Bill >> | 32 | 1989 | R | 76 | 81 | 0 | 5 | 1 | 4.12 | .282 | 1.17 | 8.0 | 2.5 | 5.3 | 107.0 | 95 | 53 | 49 | 10 | 30 | 63 | 0 | 2 | 2 | 0 | 0 | 1 | 3 | 3.91 |
| RP | Aguilera, R.Aguilera, Rick >> | 28 | 1989 | R | 64 | 51 | 0 | 4 | 3 | 4.82 | .324 | 1.44 | 10.4 | 2.6 | 6.1 | 84.0 | 97 | 45 | 45 | 6 | 24 | 57 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 3.43 |
| RP | Schiraldi, C.Schiraldi, Calvin >> | 27 | 1989 | R | 49 | 16 | 0 | 1 | 0 | 5.49 | .337 | 1.53 | 8.1 | 6.2 | 8.1 | 19.2 | 17 | 14 | 12 | 4 | 13 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.00 |
| RP | Thigpen, B.Thigpen, Bobby >> | 26 | 1989 | R | 50 | 17 | 0 | 0 | 0 | 5.23 | .380 | 1.84 | 12.6 | 4.5 | 3.6 | 20.2 | 28 | 15 | 12 | 1 | 10 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.35 |