| SP | Valenzuela, F.Valenzuela, Fernando † | Dodgers | L | 170.0 | 33 | 33 | 18 | 12 | 2.67 | .255 | 1.01 | 7.0 | 2.1 | 6.4 | 276.1 | 215 | 87 | 82 | 25 | 64 | 196 | 15 | 0 | 0 | 2 | 25 | 5 | 5 | 3.51 |
| RP | Guante, C.Guante, Cecilio † | Pirates | R | 169.0 | 64 | 0 | 9 | 7 | 2.63 | .237 | 0.93 | 6.1 | 2.3 | 5.6 | 120.0 | 81 | 36 | 35 | 10 | 31 | 74 | 0 | 42 | 4 | 0 | 0 | 0 | 0 | 3.63 |
| SP | Tomlin, R.Tomlin, Randy † | Pirates | L | 167.0 | 36 | 36 | 19 | 9 | 2.63 | .265 | 1.07 | 7.4 | 2.3 | 4.7 | 263.1 | 217 | 88 | 77 | 21 | 66 | 138 | 7 | 0 | 0 | 3 | 30 | 2 | 2 | 3.76 |
| CL | Nabholz, C.Nabholz, Chris | Expos | L | 158.5 | 65 | 0 | 3 | 3 | 3.34 | .314 | 1.37 | 6.7 | 5.7 | 6.8 | 62.0 | 46 | 25 | 23 | 3 | 39 | 47 | 0 | 57 | 7 | 0 | 0 | 0 | 4 | 4.00 |
| SP | Gullickson, B.Gullickson, Bill | Expos | R | 141.0 | 33 | 33 | 19 | 10 | 3.37 | .277 | 1.15 | 8.2 | 2.1 | 6.8 | 245.2 | 224 | 99 | 92 | 20 | 58 | 185 | 6 | 0 | 0 | 1 | 20 | 1 | 5 | 3.27 |
| SP | Bankhead, S.Bankhead, Scott # | Pirates | R | 138.0 | 34 | 34 | 20 | 6 | 3.77 | .297 | 1.26 | 8.7 | 2.6 | 5.4 | 243.2 | 236 | 104 | 102 | 22 | 70 | 146 | 5 | 0 | 0 | 0 | 19 | 3 | 5 | 3.88 |
| SP | Youmans, F.Youmans, Floyd | Expos | R | 135.0 | 33 | 33 | 18 | 8 | 3.34 | .293 | 1.22 | 7.0 | 4.0 | 6.5 | 245.1 | 191 | 94 | 91 | 18 | 108 | 178 | 2 | 0 | 0 | 0 | 21 | 6 | 14 | 3.90 |