| SP | Robinson, J.Robinson, Jeff † >> | 27 | 1988 | R | 91 | 24 | 24 | 9 | 7 | 3.40 | .306 | 1.32 | 7.3 | 4.6 | 5.2 | 164.1 | 133 | 68 | 62 | 14 | 84 | 95 | 8 | 0 | 0 | 3 | 17 | 0 | 6 | 4.49 |
| SP | Youmans, F.Youmans, Floyd >> | 24 | 1988 | R | 69 | 23 | 23 | 12 | 5 | 3.82 | .299 | 1.27 | 7.2 | 4.2 | 5.2 | 132.0 | 106 | 59 | 56 | 8 | 61 | 76 | 1 | 0 | 0 | 1 | 11 | 2 | 4 | 4.07 |
| SP | Magrane, J.Magrane, Joe # >> | 24 | 1988 | L | 86 | 23 | 23 | 5 | 6 | 5.43 | .331 | 1.45 | 10.3 | 2.8 | 5.6 | 134.1 | 153 | 83 | 81 | 15 | 42 | 83 | 1 | 0 | 0 | 0 | 8 | 4 | 8 | 4.25 |
| SP | Langston, M.Langston, Mark † >> | 28 | 1988 | L | 64 | 22 | 22 | 13 | 6 | 3.80 | .298 | 1.27 | 8.5 | 3.0 | 6.0 | 149.1 | 140 | 72 | 63 | 12 | 49 | 99 | 4 | 0 | 0 | 1 | 12 | 1 | 3 | 3.72 |
| SP | Maddux, G.Maddux, Greg † >> | 22 | 1988 | R | 52 | 22 | 21 | 10 | 7 | 3.89 | .333 | 1.48 | 9.7 | 3.7 | 3.8 | 145.2 | 157 | 69 | 63 | 15 | 59 | 62 | 2 | 0 | 0 | 1 | 11 | 2 | 7 | 4.75 |
| RP | McCullers, L.McCullers, Lance † >> | 24 | 1988 | R | 72 | 66 | 0 | 5 | 4 | 3.96 | .326 | 1.43 | 7.7 | 5.3 | 7.4 | 97.2 | 83 | 54 | 43 | 13 | 57 | 80 | 0 | 15 | 4 | 0 | 0 | 2 | 3 | 4.92 |
| RP | Guante, C.Guante, Cecilio >> | 28 | 1988 | R | 73 | 39 | 0 | 3 | 4 | 6.00 | .357 | 1.67 | 11.1 | 3.9 | 6.0 | 48.0 | 59 | 33 | 32 | 3 | 21 | 32 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 3.79 |
| RP | Reardon, J.Reardon, Jeff >> | 33 | 1988 | R | 69 | 37 | 0 | 1 | 5 | 3.83 | .353 | 1.61 | 10.6 | 4.1 | 7.2 | 44.2 | 52 | 21 | 19 | 4 | 20 | 35 | 0 | 4 | 6 | 0 | 0 | 1 | 0 | 4.02 |