SPB Batter Useage -- 1991 Trenton Thunder Caps
Regular season -- as of 9/30/1991
| Primary |
| Name | P | AVG | AB-REAL | AB-DMB | Usage% |
| Matt Merullo | c | .229 | 140 | 75 | 54 |
| Charlie O'Brien | c | .185 | 168 | 115 | 68 |
| Steve Decker | c | .206 | 233 | 372 | 160 |
| Ernie Whitt | c | .242 | 62 | 0 | 0 |
| Mark McGwire | 1b | .201 | 483 | 469 | 97 |
| Brian Hunter | 1b | .251 | 271 | 190 | 70 |
| Ryne Sandberg | 2b | .291 | 585 | 629 | 108 |
| Leo Gomez | 3b | .233 | 391 | 88 | 23 |
| Edgar Martinez | 3b | .307 | 544 | 621 | 114 |
| Doug Strange | 3b | .444 | 9 | 5 | 56 |
| Jose Offerman | ss | .195 | 113 | 178 | 158 |
| Spike Owen | ss | .255 | 424 | 507 | 120 |
| Craig Shipley | ss | .275 | 91 | 5 | 5 |
| Mike Greenwell | lf | .300 | 544 | 535 | 98 |
| Greg Vaughn | lf | .244 | 542 | 533 | 98 |
| Kevin McReynolds | lf | .259 | 522 | 136 | 26 |
| Jerald Clark | lf | .228 | 369 | 48 | 13 |
| Doug Jennings | lf | .111 | 9 | 0 | 0 |
| Andy Van Slyke | cf | .265 | 491 | 594 | 121 |
| Keith Mitchell | rf | .318 | 66 | 109 | 165 |
| Carmen Castillo | rf | .167 | 12 | 0 | 0 |
| Pitchers | | .165 | 91 | 391 | 0 |
| Total | | .253 | 6160 | 5600 | 0 |