| SP | Hershiser, O.Hershiser, Orel # >> | 30 | 1988 | R | 96 | 23 | 23 | 8 | 9 | 4.05 | .307 | 1.32 | 8.8 | 3.2 | 6.8 | 157.2 | 153 | 76 | 71 | 18 | 55 | 118 | 7 | 0 | 0 | 2 | 11 | 2 | 1 | 4.08 |
| SP | Deshaies, J.Deshaies, Jim # >> | 28 | 1988 | L | 83 | 23 | 23 | 11 | 5 | 4.86 | .361 | 1.68 | 11.2 | 4.0 | 4.9 | 127.2 | 158 | 82 | 69 | 11 | 57 | 69 | 2 | 0 | 0 | 1 | 11 | 1 | 3 | 4.41 |
| SP | Nieves, J.Nieves, Juan # >> | 23 | 1988 | L | 75 | 22 | 22 | 3 | 8 | 4.70 | .336 | 1.51 | 9.4 | 4.3 | 5.6 | 99.2 | 103 | 59 | 52 | 10 | 47 | 62 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 4.52 |
| RP | McGaffigan, A.McGaffigan, Andy >> | 32 | 1988 | R | 49 | 40 | 0 | 3 | 2 | 3.97 | .316 | 1.34 | 8.4 | 3.8 | 5.6 | 47.2 | 44 | 24 | 21 | 6 | 20 | 29 | 0 | 0 | 3 | 0 | 0 | 2 | 2 | 4.83 |
| RP | Cadaret, G.Cadaret, Greg >> | 26 | 1988 | L | 44 | 48 | 0 | 3 | 3 | 2.47 | .321 | 1.42 | 7.5 | 5.4 | 6.5 | 47.1 | 39 | 15 | 13 | 5 | 28 | 34 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 4.72 |
| SU | Stanley, B.Stanley, Bob # >> | 34 | 1988 | R | 60 | 47 | 0 | 3 | 4 | 5.12 | .324 | 1.44 | 9.4 | 3.6 | 5.7 | 63.1 | 66 | 40 | 36 | 6 | 25 | 40 | 0 | 1 | 3 | 0 | 0 | 0 | 3 | 4.16 |
| RP | Orosco, J.Orosco, Jesse >> | 31 | 1988 | L | 53 | 34 | 0 | 2 | 0 | 3.13 | .291 | 1.23 | 6.7 | 4.6 | 4.6 | 31.2 | 23 | 11 | 11 | 3 | 16 | 16 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 4.77 |
| RP | Schooler, M.Schooler, Mike >> | 26 | 1988 | R | 25 | 41 | 0 | 6 | 2 | 5.63 | .403 | 2.03 | 12.4 | 5.9 | 6.5 | 40.0 | 55 | 29 | 25 | 4 | 26 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 4.80 |
| RP | Righetti, D.Righetti, Dave >> | 30 | 1988 | L | 18 | 15 | 0 | 1 | 0 | 3.05 | .326 | 1.45 | 10.4 | 3.2 | 6.3 | 20.2 | 23 | 9 | 7 | 0 | 7 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2.65 |