| SP | Glavine, T.Glavine, Tom # >> | 33 | 1999 | L | 18 | 32 | 32 | 7 | 20 | 5.22 | .333 | 1.45 | 9.7 | 3.4 | 5.7 | 210.1 | 226 | 124 | 122 | 34 | 80 | 132 | 3 | 0 | 0 | 1 | 12 | 9 | 7 | 5.12 |
| SP | Bottenfield, K.Bottenfield, Kent # >> | 31 | 1999 | R | 25 | 31 | 31 | 10 | 13 | 4.74 | .317 | 1.37 | 8.5 | 3.9 | 6.1 | 195.2 | 185 | 116 | 103 | 27 | 84 | 132 | 2 | 0 | 0 | 2 | 15 | 4 | 2 | 4.80 |
| SP | Villone, R.Villone, Ron >> | 29 | 1999 | L | 87 | 33 | 31 | 9 | 4 | 3.90 | .315 | 1.36 | 7.8 | 4.4 | 6.3 | 164.0 | 142 | 78 | 71 | 19 | 81 | 114 | 0 | 1 | 0 | 0 | 6 | 3 | 5 | 4.65 |
| SU | Cabrera, J.Cabrera, Jose >> | 30 | 1999 | R | 93 | 76 | 0 | 7 | 4 | 3.39 | .291 | 1.21 | 7.3 | 3.6 | 6.8 | 90.1 | 73 | 35 | 34 | 7 | 36 | 68 | 0 | 4 | 4 | 0 | 0 | 2 | 5 | 3.77 |
| RP | Abbott, P.Abbott, Paul † >> | 32 | 1999 | R | 86 | 82 | 0 | 11 | 4 | 2.85 | .261 | 1.05 | 5.9 | 3.5 | 7.0 | 173.2 | 114 | 62 | 55 | 18 | 68 | 134 | 0 | 4 | 3 | 0 | 0 | 2 | 7 | 4.02 |
| CL | Franco, J.Franco, John † >> | 39 | 1999 | L | 29 | 67 | 0 | 4 | 8 | 3.44 | .311 | 1.31 | 8.3 | 3.4 | 9.0 | 68.0 | 63 | 26 | 26 | 10 | 26 | 68 | 0 | 33 | 6 | 0 | 0 | 3 | 0 | 4.19 |
| RP | Alfonseca, A.Alfonseca, Antonio >> | 27 | 1999 | R | 18 | 64 | 0 | 4 | 5 | 2.56 | .258 | 1.05 | 6.6 | 2.8 | 7.4 | 88.0 | 65 | 31 | 25 | 7 | 27 | 72 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 3.32 |
| RP | Dipoto, J.Dipoto, Jerry # >> | 31 | 1999 | R | 7 | 53 | 0 | 6 | 3 | 5.64 | .368 | 1.75 | 9.9 | 6.0 | 6.6 | 68.2 | 75 | 44 | 43 | 12 | 45 | 50 | 0 | 1 | 1 | 0 | 0 | 0 | 4 | 5.81 |