| Player | Team | BB |
|---|---|---|
| Justin Dunn | Boise | 126 |
| Dylan Cease | Ohio | 109 |
| Zac Gallen | Orlando | 106 |
| Spencer Turnbull | Brooklyn | 101 |
| Lucas Giolito | Chicago | 100 |
| Jose Berrios | Ohio | 99 |
| Martin Perez | Chicago | 96 |
| Carlos Carrasco | Foscoe | 92 |
| Tyler Anderson | South Iowa | 92 |
| Luis Castillo | Dakota | 90 |
| Chad Kuhl | Southland | 90 |
| Justus Sheffield | South Iowa | 88 |
| Brady Singer | Kansas City | 88 |
| Kyle Gibson | Montana | 87 |
| Lance Lynn | Pea Ridge | 87 |
| Yusei Kikuchi | Herefordshire | 87 |
| Nate Pearson | Ohio | 86 |
| Aaron Nola | Portland | 84 |
| Sonny Gray | Tacoma | 81 |
| Dustin May | Arizona | 80 |