| SP | Higuera, T.Higuera, Teddy † >> | 30 | 1988 | L | 96 | 35 | 35 | 17 | 10 | 3.46 | .296 | 1.25 | 8.4 | 2.8 | 6.6 | 260.0 | 244 | 108 | 100 | 18 | 80 | 191 | 7 | 0 | 0 | 0 | 21 | 4 | 0 | 3.40 |
| SP | Magrane, J.Magrane, Joe >> | 24 | 1988 | L | 56 | 36 | 36 | 9 | 17 | 5.03 | .336 | 1.50 | 9.7 | 3.9 | 5.4 | 202.0 | 217 | 118 | 113 | 19 | 87 | 121 | 0 | 0 | 0 | 0 | 15 | 2 | 9 | 4.35 |
| SP | Hershiser, O.Hershiser, Orel >> | 30 | 1988 | R | 82 | 33 | 33 | 11 | 15 | 5.21 | .324 | 1.42 | 9.6 | 3.3 | 5.3 | 226.1 | 240 | 132 | 131 | 26 | 82 | 134 | 6 | 0 | 0 | 0 | 10 | 3 | 5 | 4.44 |
| CL | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 100 | 67 | 0 | 3 | 9 | 2.11 | .285 | 1.20 | 7.5 | 3.4 | 7.0 | 72.2 | 60 | 17 | 17 | 8 | 27 | 56 | 0 | 44 | 2 | 0 | 0 | 0 | 1 | 4.01 |
| RP | Pena, A.Pena, Alejandro >> | 30 | 1989 | R | 60 | 45 | 0 | 2 | 1 | 3.30 | .285 | 1.20 | 8.0 | 2.9 | 6.0 | 62.2 | 55 | 23 | 23 | 4 | 20 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.48 |
| RP | Orosco, J.Orosco, Jesse >> | 27 | 1984 | L | 69 | 23 | 0 | 2 | 0 | 3.66 | .330 | 1.47 | 9.0 | 4.7 | 5.7 | 19.2 | 19 | 8 | 8 | 2 | 10 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.68 |
| RP | Howell, J.Howell, Jay # >> | 33 | 1988 | R | 81 | 42 | 0 | 3 | 4 | 4.13 | .287 | 1.17 | 8.4 | 2.1 | 6.9 | 48.0 | 45 | 22 | 22 | 6 | 11 | 37 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3.90 |