| SP | Fernandez, S.Fernandez, Sid >> | 27 | 1989 | L | 100 | 18 | 18 | 7 | 8 | 4.33 | .311 | 1.35 | 8.6 | 3.6 | 4.8 | 108.0 | 103 | 52 | 52 | 10 | 43 | 58 | 1 | 0 | 0 | 1 | 11 | 0 | 2 | 4.32 |
| SP | Martinez, R.Martinez, Ramon # >> | 21 | 1989 | R | 77 | 17 | 17 | 5 | 7 | 3.33 | .286 | 1.19 | 8.6 | 2.2 | 4.9 | 110.2 | 105 | 44 | 41 | 7 | 27 | 60 | 0 | 0 | 0 | 0 | 12 | 1 | 2 | 3.50 |
| SP | Glavine, T.Glavine, Tom >> | 23 | 1989 | L | 67 | 17 | 17 | 6 | 4 | 4.22 | .309 | 1.33 | 9.5 | 2.5 | 3.9 | 106.2 | 112 | 51 | 50 | 6 | 30 | 46 | 0 | 0 | 0 | 0 | 10 | 1 | 1 | 3.75 |
| SP | Blyleven, B.Blyleven, Bert † >> | 38 | 1989 | R | 75 | 16 | 16 | 9 | 6 | 2.86 | .298 | 1.26 | 8.9 | 2.5 | 4.7 | 116.1 | 115 | 41 | 37 | 2 | 32 | 61 | 4 | 0 | 0 | 2 | 10 | 1 | 2 | 3.03 |
| CL | Montgomery, J.Montgomery, Jeff >> | 27 | 1989 | R | 97 | 31 | 0 | 1 | 7 | 5.87 | .366 | 1.73 | 10.5 | 5.4 | 9.3 | 30.2 | 35 | 22 | 20 | 3 | 18 | 31 | 0 | 19 | 2 | 0 | 0 | 0 | 1 | 4.03 |
| RP | Landrum, B.Landrum, Bill >> | 32 | 1989 | R | 76 | 51 | 0 | 3 | 0 | 1.44 | .246 | 0.94 | 5.9 | 2.5 | 5.2 | 50.0 | 33 | 8 | 8 | 1 | 14 | 29 | 0 | 3 | 1 | 0 | 0 | 2 | 1 | 3.06 |
| RP | Harvey, B.Harvey, Bryan >> | 26 | 1989 | R | 59 | 13 | 0 | 0 | 0 | 2.61 | .262 | 1.06 | 4.5 | 5.4 | 7.2 | 10.1 | 5 | 3 | 3 | 1 | 6 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.50 |
| RP | Guetterman, L.Guetterman, Lee >> | 31 | 1989 | L | 42 | 15 | 0 | 0 | 0 | 5.19 | .350 | 1.62 | 14.6 | 1.1 | 3.4 | 8.2 | 13 | 5 | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.25 |
| RP | Worrell, T.Worrell, Todd >> | 30 | 1989 | R | 45 | 7 | 0 | 2 | 0 | 0.00 | .265 | 1.08 | 3.4 | 6.8 | 3.4 | 8.1 | 3 | 0 | 0 | 0 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.50 |
| RP | Fossas, T.Fossas, Tony >> | 32 | 1989 | L | 37 | 20 | 0 | 1 | 0 | 6.57 | .339 | 1.54 | 12.8 | 1.5 | 8.3 | 12.1 | 17 | 9 | 9 | 2 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.83 |