ERA - Must have a minimum of .8 inning pitched per team game.
| Player | Team | ERA | PFR | BIPA | K/9 | ERC | FPS% |
|---|---|---|---|---|---|---|---|
| Blackwell, E | RGV | 3.01 | 1.446 | 0.269 | 9.712 | 3.602 | 0.440 |
| Barnard, C | SAN | 3.25 | 1.082 | 0.257 | 7.760 | 3.292 | 0.549 |
| Guerra, A | EDB | 3.60 | 0.894 | 0.317 | 6.565 | 4.659 | 0.589 |
| Chirinos, L | RGV | 3.95 | 1.549 | 0.258 | 10.207 | 4.137 | 0.437 |
| Michael, M | CAL | 4.17 | 1.268 | 0.264 | 7.573 | 4.163 | 0.603 |
| Romo, A | FTW | 4.55 | 1.400 | 0.266 | 9.106 | 5.083 | 0.585 |
| Gober, D | CAL | 4.68 | 1.051 | 0.265 | 4.996 | 5.738 | 0.622 |
| Concepcion, A | RGV | 4.76 | 1.310 | 0.282 | 9.207 | 5.097 | 0.422 |
| Cline, Z | LC | 4.94 | 0.902 | 0.330 | 5.824 | 5.163 | 0.677 |
| Williamson, L | SAN | 4.99 | 1.232 | 0.297 | 8.235 | 4.66 | 0.544 |
| Henschel, B | SAN | 5.03 | 0.737 | 0.323 | 5.112 | 5.751 | 0.486 |
| Whalen, S | CAL | 5.13 | 0.910 | 0.302 | 5.253 | 5.709 | 0.627 |
| Pote, L | EDM | 5.16 | 1.479 | 0.325 | 9.375 | 5.065 | 0.590 |
| Shortell, R | EDM | 5.29 | 0.860 | 0.305 | 5.664 | 4.601 | 0.638 |
| Trevino, T | EDB | 5.62 | 1.020 | 0.295 | 6.912 | 5.749 | 0.487 |
| Huizinga, J | SAN | 5.68 | 1.034 | 0.302 | 6.052 | 6.085 | 0.616 |
| Houck, K | MCA | 5.79 | 1.329 | 0.339 | 8.196 | 6.472 | 0.354 |
| Davenport, C | MCA | 6.12 | 1.103 | 0.325 | 6.000 | 6.8 | 0.561 |
| Bravo, J | CHO | 6.34 | 0.909 | 0.292 | 4.909 | 6.279 | 0.602 |
| Holleran, G | CAL | 6.41 | 1.139 | 0.282 | 5.124 | 6.812 | 0.630 |
| Quintero, J | EDB | 6.41 | 1.042 | 0.269 | 6.064 | 6.394 | 0.500 |
| De La Vara, G | FTW | 6.43 | 1.495 | 0.333 | 8.110 | 7.604 | 0.583 |
| Arreola, D | EDM | 6.75 | 1.099 | 0.331 | 7.130 | 5.216 | 0.630 |
| Kramer, A | SAN | 6.85 | 0.958 | 0.273 | 5.070 | 7.433 | 0.581 |
| Roberts, D | CHO | 6.87 | 1.165 | 0.301 | 7.353 | 6.654 | 0.597 |
| Banks, D | CHO | 6.96 | 1.345 | 0.324 | 8.036 | 6.964 | 0.654 |
| Page, R | MAU | 7.31 | 1.250 | 0.345 | 8.016 | 7.197 | 0.654 |
| Delucia, D | MAU | 7.44 | 1.054 | 0.305 | 4.816 | 8.102 | 0.648 |
| Cross, D | RGV | 7.90 | 1.316 | 0.358 | 8.406 | 7.407 | 0.478 |
| Goudeau, C | SAN | 8.38 | 1.486 | 0.333 | 7.750 | 9.294 | 0.534 |