| SP | Belcher, T.Belcher, Tim >> | 28 | 1989 | R | 92 | 34 | 34 | 12 | 13 | 3.25 | .314 | 1.36 | 8.2 | 4.1 | 6.0 | 191.1 | 173 | 76 | 69 | 9 | 87 | 127 | 1 | 0 | 0 | 1 | 18 | 3 | 3 | 3.70 |
| SP | Deshaies, J.Deshaies, Jim >> | 29 | 1989 | L | 86 | 33 | 33 | 10 | 16 | 4.66 | .344 | 1.57 | 9.4 | 4.7 | 6.0 | 181.2 | 190 | 104 | 94 | 17 | 95 | 120 | 3 | 0 | 0 | 1 | 15 | 1 | 6 | 4.49 |
| SP | Johnson, R.Johnson, Randy # >> | 26 | 1989 | L | 30 | 22 | 13 | 0 | 10 | 6.15 | .361 | 1.69 | 8.9 | 6.4 | 6.6 | 67.1 | 66 | 46 | 46 | 9 | 48 | 49 | 0 | 1 | 0 | 0 | 3 | 0 | 2 | 5.43 |
| RP | Knudson, M.Knudson, Mark † >> | 29 | 1989 | R | 57 | 78 | 0 | 6 | 9 | 4.44 | .339 | 1.52 | 10.3 | 3.4 | 3.8 | 182.1 | 209 | 94 | 90 | 15 | 68 | 77 | 0 | 14 | 8 | 0 | 0 | 3 | 4 | 4.40 |
| RP | Charlton, N.Charlton, Norm >> | 26 | 1989 | L | 83 | 83 | 0 | 4 | 4 | 4.26 | .337 | 1.52 | 9.0 | 4.7 | 7.6 | 112.0 | 112 | 54 | 53 | 8 | 58 | 94 | 0 | 5 | 3 | 0 | 0 | 1 | 6 | 3.83 |
| RP | Costello, J.Costello, John >> | 29 | 1989 | R | 73 | 70 | 0 | 3 | 4 | 3.70 | .286 | 1.19 | 7.9 | 2.8 | 4.4 | 92.1 | 81 | 41 | 38 | 5 | 29 | 45 | 0 | 4 | 3 | 0 | 0 | 1 | 0 | 3.71 |
| SP | Swindell, G.Swindell, Greg >> | 24 | 1989 | L | 62 | 32 | 32 | 8 | 13 | 5.16 | .342 | 1.55 | 10.8 | 3.2 | 5.3 | 195.1 | 233 | 116 | 112 | 13 | 70 | 115 | 2 | 0 | 0 | 1 | 14 | 1 | 4 | 3.78 |
| SP | Reuschel, R.Reuschel, Rick # >> | 40 | 1989 | R | 56 | 32 | 31 | 12 | 13 | 4.51 | .335 | 1.51 | 10.1 | 3.5 | 4.5 | 191.2 | 215 | 107 | 96 | 11 | 74 | 95 | 1 | 0 | 0 | 1 | 17 | 1 | 2 | 3.93 |