| Player | Team | BB |
|---|---|---|
| Spencer Turnbull | Brooklyn | 101 |
| Lucas Giolito | Chicago | 100 |
| Martin Perez | Chicago | 96 |
| Carlos Carrasco | Foscoe | 92 |
| Chad Kuhl | Southland | 90 |
| Brady Singer | Kansas City | 88 |
| Kyle Gibson | Montana | 87 |
| Sonny Gray | Tacoma | 81 |
| Dustin May | Arizona | 80 |
| Jacob deGrom | Arizona | 80 |
| Zack Wheeler | Fraser | 79 |
| David Peterson | Southland | 77 |
| Braxton Garrett | Colorado | 75 |
| Mike Minor | Southland | 71 |
| Johnny Cueto | Arizona | 71 |
| Anthony DeSclafani | Tacoma | 71 |
| Kyle Freeland | Chicago | 70 |
| German Marquez | Brooklyn | 70 |
| Julio Urias | Brooklyn | 69 |
| Corbin Burnes | Brooklyn | 69 |