| Pitcher | G | IP | W | L | BB | IBB | BB/IP* | Win % |
|---|---|---|---|---|---|---|---|---|
| Steve Rapps | 538 | 3620.3 | 263 | 269 | 837 | 115 | 0.20 | 0.494 |
| Tom Hauser | 511 | 3542.0 | 284 | 224 | 669 | 106 | 0.16 | 0.559 |
| Bob Baker | 305 | 2107.0 | 162 | 136 | 337 | 67 | 0.13 | 0.544 |
| Hank Culley | 298 | 1982.7 | 169 | 120 | 307 | 73 | 0.12 | 0.585 |
| Jack Seddon | 282 | 1895.3 | 147 | 132 | 346 | 56 | 0.15 | 0.527 |
| Steve Wilson | 279 | 1871.0 | 154 | 119 | 292 | 25 | 0.14 | 0.564 |
| Ken Young | 262 | 1940.0 | 133 | 125 | 392 | 52 | 0.18 | 0.516 |
| Jeff Boyden | 244 | 1601.0 | 119 | 116 | 328 | 20 | 0.19 | 0.506 |
| Dan Sapochetti | 238 | 1642.0 | 103 | 132 | 345 | 50 | 0.18 | 0.438 |
| Joe Phipps | 234 | 1554.0 | 127 | 99 | 306 | 33 | 0.18 | 0.562 |
| Gary Nutley | 228 | 1538.0 | 110 | 116 | 148 | 49 | 0.06 | 0.487 |
| John Rebardo | 228 | 1440.0 | 107 | 100 | 356 | 51 | 0.21 | 0.517 |
| Mark Brimer | 214 | 1434.0 | 93 | 116 | 136 | 33 | 0.07 | 0.445 |
| Charlie Wilson | 192 | 1309.0 | 94 | 96 | 202 | 24 | 0.14 | 0.495 |
| Larry Wizauer | 192 | 1286.0 | 83 | 105 | 283 | 29 | 0.20 | 0.441 |
| Craig Dahlquist | 190 | 1231.0 | 94 | 89 | 335 | 31 | 0.25 | 0.514 |
| Dennis Graves | 188 | 1282.0 | 84 | 104 | 334 | 18 | 0.25 | 0.447 |
| Don Geisler | 181 | 1227.0 | 99 | 79 | 167 | 33 | 0.11 | 0.556 |
| Bud Shelley | 168 | 1154.0 | 99 | 66 | 129 | 34 | 0.08 | 0.600 |
| Chris Margevicius | 148 | 1007.3 | 79 | 69 | 108 | 30 | 0.08 | 0.534 |
| Ernie Vandersteen | 144 | 949.7 | 72 | 67 | 219 | 68 | 0.16 | 0.518 |
| Tom Simmons | 138 | 908.0 | 54 | 77 | 334 | 18 | 0.35 | 0.412 |
| Steve White | 136 | 950.0 | 67 | 69 | 208 | 14 | 0.20 | 0.493 |
| Jamie Hall | 131 | 830.0 | 60 | 64 | 125 | 37 | 0.11 | 0.484 |
| John Cahill | 127 | 777.7 | 54 | 63 | 279 | 24 | 0.33 | 0.462 |
| Bob Farley | 112 | 744.0 | 45 | 62 | 187 | 25 | 0.22 | 0.421 |
| C.J. O'Neill | 106 | 696.0 | 42 | 64 | 118 | 14 | 0.15 | 0.396 |
| Doug Domeier | 100 | 671.0 | 57 | 41 | 122 | 28 | 0.14 | 0.582 |
| Donny Meyer | 85 | 505.0 | 33 | 39 | 165 | 11 | 0.30 | 0.458 |
| Mac MacAulay | 77 | 520.0 | 33 | 43 | 92 | 20 | 0.14 | 0.434 |
| Ron Bormann | 73 | 480.3 | 37 | 35 | 94 | 11 | 0.17 | 0.514 |
| Kevin Hayes | 72 | 484.3 | 44 | 27 | 32 | 6 | 0.05 | 0.620 |
| Tom Fichtner | 67 | 454.0 | 30 | 36 | 140 | 3 | 0.30 | 0.455 |
| Chris Maggio | 67 | 442.0 | 27 | 39 | 198 | 7 | 0.43 | 0.409 |
| Phil D'Adamo | 57 | 385.0 | 31 | 25 | 35 | 7 | 0.07 | 0.554 |
| Jim Bellinger | 54 | 360.0 | 25 | 27 | 33 | 8 | 0.07 | 0.481 |
| Don Barnes | 53 | 349.0 | 29 | 22 | 161 | 10 | 0.43 | 0.569 |
| Michael Jeffries | 51 | 294.0 | 13 | 29 | 102 | 6 | 0.33 | 0.310 |
| Mike Guadagnolo | 45 | 311.0 | 25 | 20 | 54 | 0 | 0.17 | 0.556 |
| Larry Webb | 43 | 290.0 | 24 | 16 | 33 | 1 | 0.11 | 0.600 |
| Linwood Manning | 38 | 235.0 | 8 | 27 | 113 | 17 | 0.41 | 0.229 |
| Rich Ostrowski | 35 | 240.0 | 15 | 19 | 55 | 5 | 0.21 | 0.441 |
| Doug Moffatt | 32 | 217.0 | 13 | 19 | 84 | 6 | 0.36 | 0.406 |
| Mark Golden | 32 | 213.0 | 19 | 12 | 49 | 8 | 0.19 | 0.613 |
| Bill DiCarlo | 31 | 178.0 | 11 | 15 | 70 | 5 | 0.37 | 0.423 |
| Tom Curley | 30 | 198.0 | 12 | 17 | 56 | 3 | 0.27 | 0.414 |
| Bob Brooke | 29 | 202.0 | 17 | 11 | 49 | 5 | 0.22 | 0.607 |
| Jan Held | 29 | 146.0 | 7 | 12 | 45 | 3 | 0.29 | 0.368 |
| Tom Kehne | 28 | 195.0 | 13 | 15 | 73 | 1 | 0.37 | 0.464 |
| Troy Soeder | 26 | 160.0 | 14 | 9 | 39 | 1 | 0.24 | 0.609 |
| Bob Riley | 25 | 161.0 | 10 | 15 | 48 | 13 | 0.22 | 0.400 |
| Craig Horton | 25 | 157.0 | 15 | 9 | 39 | 4 | 0.22 | 0.625 |
| Steve Long | 23 | 155.0 | 7 | 15 | 39 | 4 | 0.23 | 0.318 |
| Floyd Williams | 23 | 150.0 | 9 | 13 | 25 | 1 | 0.16 | 0.409 |
| John Vanarnhem | 19 | 127.0 | 8 | 10 | 56 | 11 | 0.35 | 0.444 |
| Jim Wulff | 19 | 116.0 | 8 | 10 | 45 | 2 | 0.37 | 0.444 |
| Jeff Loftin | 19 | 108.0 | 6 | 10 | 17 | 1 | 0.15 | 0.375 |
| Woody Byars | 18 | 105.0 | 6 | 10 | 59 | 1 | 0.55 | 0.375 |
| Roger Scott | 17 | 117.0 | 9 | 8 | 10 | 2 | 0.07 | 0.529 |
| Bill Cecil | 15 | 79.0 | 4 | 6 | 64 | 0 | 0.81 | 0.400 |
| Ed Krisha | 14 | 96.0 | 4 | 10 | 9 | 1 | 0.08 | 0.286 |
| Paul Ruiz | 14 | 90.0 | 3 | 10 | 64 | 1 | 0.70 | 0.231 |
| David Fortier | 14 | 89.0 | 8 | 5 | 38 | 1 | 0.42 | 0.615 |
| Don Duell | 13 | 84.0 | 7 | 6 | 23 | 2 | 0.25 | 0.538 |
| Tom Bergman | 13 | 82.0 | 5 | 7 | 33 | 3 | 0.37 | 0.417 |
| Steve Mills | 11 | 68.0 | 6 | 5 | 20 | 1 | 0.28 | 0.545 |
| Chris Schubert | 9 | 49.0 | 4 | 4 | 40 | 1 | 0.80 | 0.500 |
| Ron Fischer | 9 | 47.0 | 2 | 5 | 35 | 0 | 0.74 | 0.286 |
| Pat Perkins | 8 | 56.0 | 6 | 2 | 21 | 0 | 0.38 | 0.750 |
| Ron Ancone | 6 | 31.0 | 2 | 3 | 10 | 0 | 0.32 | 0.400 |
| Bill Dunn | 5 | 35.0 | 5 | 0 | 6 | 1 | 0.14 | 1.000 |
| Bill Bohn | 5 | 30.0 | 1 | 3 | 13 | 0 | 0.43 | 0.250 |
| Charles Clare | 4 | 28.0 | 2 | 2 | 5 | 2 | 0.11 | 0.500 |
| Dan Shelley | 4 | 24.0 | 0 | 4 | 37 | 0 | 1.54 | 0.000 |
| Steve Spinosa | 4 | 22.0 | 0 | 3 | 14 | 3 | 0.50 | 0.000 |
| Dave Sellars | 4 | 19.0 | 3 | 0 | 4 | 0 | 0.21 | 1.000 |
| Mike Kelley | 4 | 15.0 | 0 | 1 | 21 | 2 | 1.27 | 0.000 |
| Jon Birkhofer | 3 | 19.0 | 0 | 3 | 15 | 0 | 0.79 | 0.000 |
| Al Rinehimer | 3 | 17.0 | 0 | 2 | 5 | 0 | 0.29 | 0.000 |
| Ralph Hollis | 3 | 13.0 | 1 | 1 | 10 | 0 | 0.77 | 0.500 |
| Vito Buccino | 3 | 12.0 | 1 | 1 | 16 | 0 | 1.33 | 0.500 |
| Keith Denmeade | 3 | 11.0 | 0 | 1 | 3 | 0 | 0.27 | 0.000 |
| Brian Brown | 3 | 8.0 | 1 | 0 | 2 | 0 | 0.25 | 1.000 |
| Dave Royalty | 2 | 14.0 | 2 | 0 | 8 | 0 | 0.57 | 1.000 |
| Mike Grogan | 2 | 11.0 | 1 | 1 | 9 | 0 | 0.82 | 0.500 |
| Al Mahar | 2 | 9.0 | 0 | 1 | 4 | 0 | 0.44 | 0.000 |
| Mike Ford | 2 | 8.0 | 0 | 2 | 3 | 0 | 0.38 | 0.000 |
| Tony Chiravolo | 1 | 7.0 | 0 | 1 | 1 | 1 | 0.00 | 0.000 |
| Rick Geiler | 1 | 7.0 | 0 | 1 | 2 | 1 | 0.14 | 0.000 |
| Chris Kleisinger | 1 | 7.0 | 1 | 0 | 1 | 0 | 0.14 | 1.000 |
| Larry Oliver | 1 | 7.0 | 0 | 1 | 5 | 0 | 0.71 | 0.000 |
| Brian Overton | 1 | 7.0 | 0 | 1 | 4 | 2 | 0.29 | 0.000 |
| Tom Rogers | 1 | 7.0 | 0 | 1 | 0 | 0 | 0.00 | 0.000 |
| Joe Schnichels | 1 | 7.0 | 1 | 0 | 2 | 0 | 0.29 | 1.000 |
| Pete Velez | 1 | 7.0 | 0 | 1 | 1 | 0 | 0.14 | 0.000 |
| Peter Zrinski | 1 | 7.0 | 1 | 0 | 0 | 0 | 0.00 | 1.000 |
| Patrick Baxter | 1 | 6.3 | 0 | 1 | 5 | 0 | 0.79 | 0.000 |
| John Augustine | 1 | 6.0 | 0 | 1 | 4 | 0 | 0.67 | 0.000 |
| Patrick Lindeman | 1 | 6.0 | 0 | 1 | 3 | 1 | 0.33 | 0.000 |
| Steve Propert | 1 | 5.0 | 0 | 0 | 1 | 0 | 0.20 | 0.000 |
| Rick Rivard | 1 | 5.0 | 0 | 1 | 0 | 0 | 0.00 | 0.000 |
| Howard Payne | 1 | 4.0 | 0 | 0 | 1 | 0 | 0.25 | 0.000 |
| Rick Sunderman | 1 | 4.0 | 0 | 0 | 0 | 0 | 0.00 | 0.000 |
| Beaver Burch | 1 | 3.0 | 1 | 0 | 0 | 0 | 0.00 | 1.000 |
| Jack Doan | 1 | 2.0 | 0 | 0 | 2 | 0 | 1.00 | 0.000 |
| Frank Randazzo | 1 | 2.0 | 0 | 0 | 4 | 2 | 1.00 | 0.000 |
| Jim Welch | 1 | 2.0 | 0 | 0 | 1 | 0 | 0.50 | 0.000 |
| Hector Avila | 1 | 1.0 | 0 | 0 | 0 | 0 | 0.00 | 0.000 |
| Wayne Joray | 1 | 1.0 | 0 | 0 | 0 | 0 | 0.00 | 0.000 |
| Darrell Phillips | 1 | 1.0 | 0 | 0 | 3 | 0 | 3.00 | 0.000 |