ERA - Must have a minimum of .8 inning pitched per team game.
| Player | Team | ERA | PFR | BIPA | K/9 | ERC | FPS% |
|---|---|---|---|---|---|---|---|
| Boothe, R | SD | 1.41 | 1.281 | 0.216 | 9.000 | 1.601 | 0.636 |
| Gaughan, S | AZ | 1.47 | 1.364 | 0.274 | 9.327 | 2.815 | 0.494 |
| Strecker, R | LB | 1.54 | 1.929 | 0.222 | 11.571 | 2.893 | 0.500 |
| Tomsich, C | BLY | 1.64 | 1.045 | 0.260 | 8.182 | 2.206 | 0.594 |
| Dykeman, D | SAS | 2.12 | 1.647 | 0.313 | 13.235 | 2.316 | 0.736 |
| Watt, S | LB | 2.70 | 1.300 | 0.250 | 7.650 | 3.657 | 0.596 |
| Worthington, K | AZ | 2.74 | 1.783 | 0.221 | 11.739 | 2.603 | 0.586 |
| Sakate, K | AZ | 3.00 | 1.286 | 0.267 | 7.286 | 5.476 | 0.710 |
| Bowker, C | SAN | 3.15 | 1.100 | 0.244 | 5.850 | 3.669 | 0.617 |
| Nicolini, B | SAN | 3.45 | 1.116 | 0.252 | 6.593 | 3.386 | 0.556 |
| Camilli, C | YUM | 3.51 | 1.537 | 0.278 | 10.537 | 3.112 | 0.475 |
| Flanagan, J | YUM | 3.71 | 1.059 | 0.254 | 5.824 | 3.075 | 0.603 |
| Hobbs, S | BLY | 3.96 | 1.200 | 0.306 | 7.200 | 5.69 | 0.533 |
| Perkins, T | SOM | 3.97 | 1.676 | 0.181 | 7.544 | 3.519 | 0.577 |
| Maurer, D | CAN | 4.00 | 1.593 | 0.256 | 10.667 | 2.886 | 0.602 |
| Henderson, J | SD | 4.25 | 1.056 | 0.321 | 6.000 | 5.374 | 0.671 |
| Stephens, C | SOM | 4.43 | 1.657 | 0.253 | 10.478 | 3.613 | 0.648 |
| Dailey, V | YUM | 4.50 | 1.850 | 0.157 | 7.200 | 5.315 | 0.560 |
| Laukaitus, G | LB | 4.50 | 1.438 | 0.306 | 7.313 | 6.313 | 0.446 |
| Takahashi, T | AZ | 4.61 | 1.171 | 0.207 | 3.951 | 6.575 | 0.609 |
| Stewart, S | SD | 4.95 | 1.200 | 0.343 | 8.100 | 5.154 | 0.600 |
| Walker, M | CAN | 4.99 | 1.304 | 0.234 | 7.337 | 4.307 | 0.705 |
| Kuzniak, J | CLX | 5.14 | 0.905 | 0.294 | 3.429 | 6.13 | 0.559 |
| Uotani, T | CLX | 5.30 | 0.750 | 0.377 | 4.339 | 6.72 | 0.565 |
| Shirakashi, S | YUM | 5.31 | 0.738 | 0.280 | 2.656 | 6.454 | 0.612 |
| Davis, R | BLY | 5.40 | 2.073 | 0.190 | 10.309 | 4.085 | 0.542 |
| Iwasaki, T | LB | 5.54 | 1.846 | 0.307 | 10.038 | 5.963 | 0.586 |
| Tubbs, M | CLX | 5.60 | 1.075 | 0.214 | 3.057 | 5.901 | 0.557 |
| Fleming, A | SAN | 5.70 | 1.479 | 0.402 | 11.028 | 7.229 | 0.588 |
| Gonzalez, V | LB | 6.32 | 1.723 | 0.296 | 11.489 | 5.539 | 0.440 |
| Cordoba, K | SD | 6.47 | 1.225 | 0.245 | 5.324 | 4.972 | 0.570 |
| Katzman, E | CAN | 6.57 | 2.149 | 0.347 | 12.770 | 7.096 | 0.512 |
| Tsujii, Y | SOM | 7.00 | 1.074 | 0.256 | 5.333 | 5.804 | 0.571 |
| Greco, R | SAS | 7.13 | 1.472 | 0.272 | 7.132 | 6.841 | 0.500 |
| Cichocki, C | BLY | 8.15 | 1.981 | 0.213 | 9.170 | 5.522 | 0.449 |
| Cacciato, J | SAS | 8.40 | 1.267 | 0.250 | 5.400 | 5.846 | 0.588 |
| Pointer, M | CLX | 8.59 | 1.636 | 0.299 | 9.205 | 6.08 | 0.613 |
| Bollinger, A | SAN | 9.00 | 1.000 | 0.333 | 4.235 | 8.165 | 0.593 |
| Takahashi, K | SOM | 9.37 | 1.286 | 0.314 | 4.408 | 12.677 | 0.394 |
| Avanzino, J | BLY | 13.50 | 3.196 | 0.209 | 9.978 | 11.739 | 0.480 |