| SP | Smoltz, J.Smoltz, John >> | 22 | 1989 | R | 94 | 19 | 19 | 4 | 13 | 3.91 | .322 | 1.43 | 9.1 | 3.8 | 4.6 | 129.0 | 130 | 58 | 56 | 14 | 54 | 66 | 3 | 0 | 0 | 0 | 10 | 0 | 2 | 4.64 |
| SP | Blyleven, B.Blyleven, Bert # >> | 38 | 1989 | R | 75 | 19 | 19 | 7 | 10 | 3.98 | .291 | 1.22 | 9.0 | 2.1 | 5.3 | 144.2 | 144 | 67 | 64 | 9 | 33 | 85 | 7 | 0 | 0 | 1 | 12 | 1 | 1 | 3.34 |
| SP | Higuera, T.Higuera, Teddy >> | 31 | 1989 | L | 51 | 18 | 18 | 2 | 11 | 5.58 | .340 | 1.54 | 9.9 | 4.0 | 5.1 | 111.1 | 122 | 71 | 69 | 14 | 49 | 63 | 0 | 0 | 0 | 0 | 6 | 1 | 0 | 4.86 |
| SP | Farrell, J.Farrell, John >> | 27 | 1989 | R | 45 | 18 | 18 | 6 | 7 | 3.86 | .300 | 1.29 | 8.3 | 3.3 | 5.1 | 126.0 | 116 | 54 | 54 | 14 | 46 | 71 | 1 | 0 | 0 | 0 | 12 | 0 | 1 | 4.41 |
| RP | Stanton, M.Stanton, Mike >> | 22 | 1989 | L | 94 | 49 | 0 | 1 | 2 | 3.24 | .275 | 1.11 | 6.8 | 3.3 | 10.6 | 66.2 | 50 | 24 | 24 | 1 | 24 | 78 | 0 | 1 | 1 | 0 | 0 | 2 | 4 | 2.02 |
| RP | Nelson, G.Nelson, Gene >> | 29 | 1989 | R | 75 | 41 | 0 | 3 | 4 | 3.60 | .271 | 1.12 | 7.2 | 2.9 | 6.0 | 60.0 | 48 | 25 | 24 | 5 | 19 | 40 | 0 | 5 | 3 | 0 | 0 | 0 | 2 | 3.70 |
| RP | Thigpen, B.Thigpen, Bobby >> | 26 | 1989 | R | 50 | 28 | 0 | 3 | 1 | 1.97 | .256 | 1.03 | 6.5 | 2.8 | 5.3 | 32.0 | 23 | 7 | 7 | 1 | 10 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3.16 |
| SP | LaCoss, M.LaCoss, Mike >> | 33 | 1989 | R | 27 | 1 | 0 | 0 | 0 | 0.00 | .250 | 1.00 | 9.0 | 0.0 | 0.0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 |