| SP | Harnisch, P.Harnisch, Pete >> | 25 | 1991 | R | 92 | 32 | 32 | 12 | 7 | 4.30 | .323 | 1.43 | 8.6 | 4.3 | 5.9 | 182.0 | 174 | 91 | 87 | 15 | 86 | 119 | 0 | 0 | 0 | 0 | 15 | 0 | 3 | 4.18 |
| SP | Martinez, D.Martinez, Dennis † >> | 36 | 1991 | R | 84 | 31 | 31 | 18 | 8 | 3.39 | .302 | 1.28 | 8.5 | 3.0 | 5.0 | 218.0 | 207 | 82 | 82 | 8 | 73 | 120 | 8 | 0 | 0 | 0 | 21 | 3 | 6 | 3.42 |
| SP | Nabholz, C.Nabholz, Chris >> | 24 | 1991 | L | 65 | 31 | 31 | 11 | 9 | 4.16 | .297 | 1.26 | 7.9 | 3.4 | 6.1 | 171.0 | 150 | 82 | 79 | 11 | 65 | 115 | 0 | 0 | 0 | 0 | 18 | 2 | 3 | 3.67 |
| SP | Gooden, D.Gooden, Dwight >> | 27 | 1991 | R | 39 | 29 | 29 | 10 | 9 | 4.32 | .325 | 1.45 | 9.1 | 3.9 | 5.5 | 179.0 | 181 | 88 | 86 | 16 | 78 | 109 | 4 | 0 | 0 | 2 | 15 | 0 | 7 | 4.25 |
| RP | Perez, M.Perez, Melido >> | 25 | 1991 | R | 76 | 64 | 0 | 6 | 6 | 3.31 | .314 | 1.36 | 8.1 | 4.2 | 6.8 | 103.1 | 93 | 38 | 38 | 5 | 48 | 78 | 0 | 8 | 4 | 0 | 0 | 1 | 4 | 3.54 |
| RP | Montgomery, J.Montgomery, Jeff >> | 29 | 1991 | R | 60 | 41 | 0 | 3 | 2 | 3.69 | .284 | 1.17 | 7.5 | 3.2 | 6.3 | 53.2 | 44 | 22 | 22 | 5 | 19 | 37 | 0 | 4 | 1 | 0 | 0 | 1 | 1 | 3.96 |
| SP | Tomlin, R.Tomlin, Randy >> | 25 | 1991 | L | 28 | 4 | 0 | 0 | 1 | 5.40 | .286 | 1.20 | 7.9 | 3.4 | 1.1 | 8.1 | 7 | 5 | 5 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.50 |
| SP | Hibbard, G.Hibbard, Greg >> | 27 | 1991 | L | 17 | 29 | 0 | 4 | 1 | 3.78 | .323 | 1.41 | 8.7 | 4.2 | 4.2 | 52.1 | 50 | 22 | 22 | 6 | 24 | 24 | 0 | 7 | 0 | 0 | 0 | 1 | 1 | 5.02 |