| SP | Saberhagen, B.Saberhagen, Bret >> | 25 | 1989 | R | 96 | 20 | 20 | 8 | 9 | 3.60 | .284 | 1.18 | 8.4 | 2.3 | 5.4 | 155.0 | 144 | 62 | 62 | 10 | 39 | 93 | 5 | 0 | 0 | 2 | 11 | 1 | 4 | 3.41 |
| SP | Gooden, D.Gooden, Dwight >> | 25 | 1989 | R | 83 | 19 | 19 | 6 | 9 | 2.86 | .310 | 1.35 | 7.9 | 4.3 | 5.7 | 126.0 | 110 | 41 | 40 | 1 | 60 | 80 | 0 | 0 | 0 | 0 | 13 | 0 | 7 | 3.26 |
| SP | Bosio, C.Bosio, Chris † # >> | 26 | 1989 | R | 64 | 19 | 19 | 9 | 6 | 3.79 | .295 | 1.22 | 8.9 | 2.1 | 5.8 | 144.2 | 143 | 67 | 61 | 8 | 34 | 92 | 4 | 0 | 0 | 2 | 11 | 5 | 1 | 3.26 |
| SP | Magrane, J.Magrane, Joe >> | 25 | 1989 | L | 50 | 18 | 18 | 5 | 12 | 5.27 | .345 | 1.57 | 11.0 | 3.1 | 4.0 | 123.0 | 151 | 73 | 72 | 6 | 42 | 54 | 4 | 0 | 0 | 0 | 6 | 1 | 3 | 3.80 |
| SP | Browning, T.Browning, Tom >> | 29 | 1989 | L | 47 | 18 | 18 | 6 | 6 | 5.18 | .347 | 1.58 | 11.3 | 3.0 | 3.9 | 123.1 | 154 | 71 | 71 | 11 | 41 | 53 | 1 | 0 | 0 | 0 | 7 | 2 | 6 | 4.35 |
| RP | Eckersley, D.Eckersley, Dennis >> | 35 | 1989 | R | 100 | 47 | 0 | 3 | 2 | 3.20 | .283 | 1.19 | 8.1 | 2.6 | 5.9 | 59.0 | 53 | 25 | 21 | 4 | 17 | 39 | 0 | 9 | 1 | 0 | 0 | 0 | 0 | 3.42 |
| RP | Reardon, J.Reardon, Jeff >> | 34 | 1989 | R | 61 | 27 | 0 | 2 | 1 | 3.81 | .264 | 1.08 | 7.3 | 2.4 | 3.1 | 26.0 | 21 | 11 | 11 | 2 | 7 | 9 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 4.12 |
| RP | McDowell, R.McDowell, Roger >> | 29 | 1989 | R | 44 | 10 | 0 | 0 | 1 | 1.42 | .255 | 1.03 | 6.8 | 3.0 | 6.0 | 12.2 | 9 | 2 | 2 | 1 | 4 | 8 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.75 |
| SP | Stewart, D.Stewart, Dave >> | 32 | 1989 | R | 41 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Sanderson, S.Sanderson, Scott >> | 33 | 1989 | R | 37 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Hawkins, A.Hawkins, Andy >> | 29 | 1989 | R | 1 | 3 | 0 | 1 | 2 | 3.00 | .333 | 1.50 | 10.5 | 3.0 | 4.5 | 6.0 | 7 | 2 | 2 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 |