| SP | Drabek, D.Drabek, Doug >> | 28 | 1990 | R | 91 | 21 | 21 | 4 | 13 | 4.20 | .309 | 1.34 | 8.7 | 3.4 | 4.6 | 143.2 | 138 | 71 | 67 | 8 | 54 | 73 | 2 | 0 | 0 | 0 | 10 | 1 | 4 | 3.86 |
| SP | Harkey, M.Harkey, Mike >> | 24 | 1990 | R | 72 | 20 | 20 | 5 | 8 | 4.52 | .337 | 1.51 | 9.2 | 4.4 | 6.4 | 129.1 | 132 | 66 | 65 | 12 | 63 | 92 | 1 | 0 | 0 | 0 | 10 | 2 | 4 | 4.29 |
| SP | Hibbard, G.Hibbard, Greg >> | 26 | 1990 | L | 62 | 20 | 20 | 6 | 8 | 4.56 | .319 | 1.39 | 9.3 | 3.3 | 4.6 | 124.1 | 128 | 70 | 63 | 10 | 45 | 63 | 0 | 0 | 0 | 0 | 10 | 2 | 2 | 4.17 |
| SP | Morris, J.Morris, Jack >> | 35 | 1990 | R | 47 | 19 | 19 | 4 | 9 | 5.55 | .363 | 1.70 | 10.9 | 4.5 | 4.7 | 121.2 | 146 | 76 | 75 | 13 | 61 | 63 | 0 | 0 | 0 | 0 | 7 | 1 | 1 | 4.89 |
| SP | Smith, P.Smith, Pete # >> | 24 | 1990 | R | 41 | 19 | 19 | 6 | 10 | 4.69 | .309 | 1.32 | 10.1 | 1.8 | 4.7 | 113.1 | 127 | 61 | 59 | 10 | 23 | 59 | 0 | 0 | 0 | 0 | 9 | 2 | 1 | 3.77 |
| RP | Gleaton, J.Gleaton, Jerry Don >> | 33 | 1990 | L | 90 | 62 | 0 | 1 | 7 | 3.80 | .302 | 1.30 | 7.7 | 4.1 | 5.4 | 68.2 | 58 | 29 | 29 | 4 | 31 | 41 | 0 | 1 | 2 | 0 | 0 | 0 | 6 | 3.93 |
| RP | Pena, A.Pena, Alejandro >> | 31 | 1990 | R | 57 | 70 | 0 | 2 | 3 | 4.38 | .332 | 1.49 | 11.1 | 2.5 | 8.6 | 61.2 | 75 | 31 | 30 | 4 | 17 | 58 | 0 | 5 | 3 | 0 | 0 | 0 | 0 | 2.79 |
| RP | Righetti, D.Righetti, Dave >> | 32 | 1990 | L | 36 | 49 | 0 | 1 | 2 | 4.21 | .335 | 1.51 | 10.0 | 3.6 | 6.5 | 47.0 | 52 | 22 | 22 | 6 | 19 | 34 | 0 | 3 | 2 | 0 | 0 | 0 | 3 | 4.43 |
| RP | Radinsky, S.Radinsky, Scott >> | 22 | 1990 | L | 18 | 36 | 0 | 1 | 3 | 5.94 | .394 | 1.95 | 10.4 | 7.4 | 4.6 | 33.1 | 38 | 22 | 22 | 7 | 27 | 17 | 0 | 4 | 3 | 0 | 0 | 0 | 0 | 7.18 |
| SP | Langston, M.Langston, Mark >> | 30 | 1990 | L | 26 | 2 | 0 | 0 | 0 | 0.00 | .111 | 0.38 | 0.0 | 4.5 | 18.0 | 2.2 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 |
| SP | Harnisch, P.Harnisch, Pete >> | 24 | 1990 | R | 15 | 26 | 0 | 2 | 4 | 7.47 | .416 | 2.14 | 14.8 | 4.6 | 5.8 | 31.1 | 51 | 26 | 26 | 5 | 16 | 20 | 0 | 2 | 2 | 0 | 0 | 0 | 2 | 5.35 |