| SP | McDowell, J.McDowell, Jack >> | 25 | 1991 | R | 89 | 32 | 32 | 12 | 16 | 2.54 | .276 | 1.13 | 7.2 | 3.0 | 6.0 | 237.1 | 189 | 71 | 67 | 12 | 80 | 157 | 7 | 0 | 0 | 5 | 25 | 2 | 5 | 3.37 |
| SP | Wegman, B.Wegman, Bill >> | 29 | 1991 | R | 75 | 31 | 31 | 8 | 9 | 3.14 | .290 | 1.23 | 8.0 | 3.0 | 5.1 | 198.0 | 177 | 80 | 69 | 14 | 66 | 112 | 0 | 0 | 0 | 0 | 21 | 0 | 7 | 3.79 |
| SP | Finley, C.Finley, Chuck >> | 29 | 1991 | L | 33 | 30 | 30 | 10 | 9 | 3.46 | .307 | 1.32 | 8.0 | 3.9 | 5.4 | 182.1 | 162 | 75 | 70 | 12 | 78 | 110 | 2 | 0 | 0 | 1 | 18 | 2 | 1 | 3.97 |
| RP | Schooler, M.Schooler, Mike >> | 29 | 1991 | R | 94 | 90 | 0 | 5 | 7 | 4.16 | .316 | 1.39 | 9.3 | 3.2 | 7.0 | 123.1 | 127 | 60 | 57 | 6 | 44 | 95 | 0 | 7 | 3 | 0 | 0 | 0 | 3 | 3.16 |
| RP | Flanagan, M.Flanagan, Mike >> | 40 | 1991 | L | 67 | 79 | 0 | 3 | 8 | 2.69 | .285 | 1.19 | 8.4 | 2.3 | 5.0 | 100.1 | 93 | 41 | 30 | 7 | 26 | 55 | 0 | 7 | 7 | 0 | 0 | 1 | 3 | 3.62 |
| RP | Righetti, D.Righetti, Dave >> | 33 | 1991 | L | 51 | 63 | 0 | 1 | 4 | 3.75 | .342 | 1.56 | 9.5 | 4.7 | 6.8 | 57.2 | 60 | 33 | 24 | 7 | 30 | 43 | 0 | 8 | 2 | 0 | 0 | 0 | 1 | 4.67 |
| RP | Whitehurst, W.Whitehurst, Wally >> | 27 | 1991 | R | 40 | 46 | 0 | 4 | 7 | 3.51 | .320 | 1.39 | 9.7 | 2.9 | 5.0 | 82.0 | 88 | 33 | 32 | 6 | 26 | 46 | 0 | 3 | 1 | 0 | 0 | 2 | 6 | 3.85 |