| SP | Hanson, E.Hanson, Erik >> | 25 | 1990 | R | 87 | 20 | 20 | 8 | 7 | 4.18 | .307 | 1.31 | 8.3 | 3.5 | 6.3 | 137.2 | 127 | 69 | 64 | 13 | 54 | 96 | 6 | 0 | 0 | 0 | 11 | 2 | 3 | 4.06 |
| SP | Finley, C.Finley, Chuck >> | 28 | 1990 | L | 76 | 20 | 20 | 4 | 6 | 5.06 | .341 | 1.55 | 10.1 | 3.9 | 7.1 | 128.0 | 143 | 74 | 72 | 9 | 55 | 101 | 2 | 0 | 0 | 0 | 8 | 1 | 3 | 3.65 |
| SP | DeJesus, J.DeJesus, Jose † >> | 25 | 1990 | R | 70 | 19 | 19 | 14 | 3 | 3.23 | .291 | 1.23 | 7.0 | 4.1 | 4.5 | 120.0 | 93 | 44 | 43 | 6 | 55 | 60 | 0 | 0 | 0 | 0 | 15 | 0 | 5 | 4.03 |
| SP | Smoltz, J.Smoltz, John # >> | 23 | 1990 | R | 69 | 19 | 19 | 3 | 10 | 4.58 | .343 | 1.56 | 10.6 | 3.5 | 5.6 | 129.2 | 152 | 72 | 66 | 11 | 50 | 80 | 1 | 0 | 0 | 0 | 12 | 1 | 5 | 4.05 |
| RP | Eckersley, D.Eckersley, Dennis >> | 36 | 1990 | R | 99 | 54 | 0 | 2 | 2 | 2.09 | .220 | 0.83 | 6.8 | 0.8 | 9.3 | 81.2 | 61 | 24 | 19 | 4 | 7 | 84 | 0 | 8 | 2 | 0 | 0 | 1 | 0 | 1.86 |
| RP | Montgomery, J.Montgomery, Jeff >> | 28 | 1990 | R | 71 | 30 | 0 | 4 | 3 | 5.16 | .386 | 1.85 | 12.7 | 4.3 | 8.1 | 29.2 | 41 | 19 | 17 | 1 | 14 | 26 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 3.21 |
| RP | Akerfelds, D.Akerfelds, Darrel >> | 28 | 1990 | R | 60 | 13 | 0 | 1 | 0 | 0.00 | .183 | 0.67 | 2.8 | 3.4 | 8.4 | 16.1 | 5 | 0 | 0 | 0 | 6 | 15 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 2.25 |
| RP | Patterson, B.Patterson, Bob >> | 31 | 1990 | L | 58 | 7 | 0 | 0 | 1 | 0.84 | .319 | 1.41 | 9.0 | 4.5 | 5.4 | 10.2 | 10 | 2 | 1 | 0 | 5 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3.30 |
| RP | Henneman, M.Henneman, Mike >> | 29 | 1990 | R | 34 | 12 | 0 | 2 | 1 | 2.57 | .208 | 0.79 | 5.1 | 1.9 | 5.1 | 14.0 | 8 | 4 | 4 | 0 | 3 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.50 |