| SP | Perez, P.Perez, Pascual † >> | 31 | 1988 | R | 97 | 20 | 20 | 11 | 7 | 2.93 | .272 | 1.12 | 6.6 | 3.4 | 5.4 | 153.1 | 113 | 51 | 50 | 11 | 58 | 92 | 7 | 0 | 0 | 2 | 16 | 1 | 3 | 3.89 |
| SP | Robinson, J.Robinson, Jeff >> | 27 | 1988 | R | 68 | 19 | 19 | 4 | 9 | 4.01 | .314 | 1.37 | 7.2 | 5.2 | 5.7 | 139.0 | 111 | 70 | 62 | 11 | 80 | 88 | 2 | 0 | 0 | 1 | 11 | 0 | 7 | 4.49 |
| SP | Seaver, T.Seaver, Tom † >> | 37 | 1981 | R | 63 | 18 | 18 | 10 | 3 | 2.46 | .273 | 1.11 | 6.3 | 3.8 | 5.3 | 142.2 | 99 | 42 | 39 | 7 | 60 | 83 | 4 | 0 | 0 | 2 | 15 | 2 | 2 | 3.78 |
| SP | Stieb, D.Stieb, Dave # >> | 27 | 1984 | R | 51 | 18 | 18 | 5 | 11 | 4.35 | .321 | 1.40 | 9.5 | 3.2 | 5.6 | 136.2 | 143 | 73 | 66 | 10 | 48 | 85 | 5 | 0 | 0 | 0 | 9 | 3 | 0 | 3.83 |
| SP | Andujar, J.Andujar, Joaquin >> | 32 | 1984 | R | 49 | 18 | 18 | 7 | 6 | 5.56 | .358 | 1.66 | 10.7 | 4.2 | 5.1 | 115.0 | 137 | 73 | 71 | 14 | 54 | 65 | 3 | 0 | 0 | 0 | 8 | 1 | 5 | 4.89 |
| RP | McMurtry, C.McMurtry, Craig >> | 29 | 1988 | R | 73 | 38 | 0 | 4 | 3 | 2.11 | .252 | 1.01 | 5.6 | 3.6 | 4.9 | 55.1 | 34 | 15 | 13 | 1 | 22 | 30 | 0 | 7 | 3 | 0 | 0 | 0 | 1 | 3.35 |
| RP | Henneman, M.Henneman, Mike >> | 27 | 1988 | R | 52 | 20 | 0 | 1 | 1 | 2.84 | .367 | 1.74 | 10.4 | 5.2 | 5.7 | 19.0 | 22 | 6 | 6 | 0 | 11 | 12 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 3.47 |
| RP | Nelson, G.Nelson, Gene >> | 29 | 1989 | R | 42 | 15 | 0 | 1 | 3 | 5.19 | .278 | 1.15 | 5.3 | 5.3 | 6.4 | 17.1 | 10 | 11 | 10 | 0 | 10 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.35 |
| RP | Castillo, B.Castillo, Bobby >> | 25 | 1980 | R | 34 | 15 | 0 | 1 | 0 | 3.97 | .352 | 1.63 | 8.6 | 6.5 | 4.5 | 22.2 | 21 | 10 | 10 | 0 | 16 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.18 |
| SP | Drabek, D.Drabek, Doug >> | 26 | 1988 | R | 39 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| SP | Bankhead, S.Bankhead, Scott >> | 25 | 1988 | R | 44 | 6 | 0 | 1 | 1 | 5.79 | .462 | 2.57 | 20.3 | 6.8 | 4.5 | 4.2 | 9 | 3 | 3 | 0 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 4.25 |