| Player | Team | BB |
|---|---|---|
| Martin Perez | Chicago | 93 |
| Carlos Carrasco | Peculiar | 89 |
| Johnny Cueto | Milwaukee | 84 |
| Sonny Gray | Peculiar | 83 |
| Frankie Montas | Wisc. Rapids | 80 |
| Chad Kuhl | Milwaukee | 78 |
| Shane Bieber | Peculiar | 71 |
| Anibal Sanchez | Wisc. Rapids | 66 |
| Kyle Wright | Chicago | 64 |
| Chris Bassitt | Chicago | 61 |
| Chi Chi Gonzalez | Chicago | 59 |
| Adrian Houser | Chicago | 59 |
| Ryan Yarbrough | El Paso | 57 |
| Hyun Jin Ryu | Wisc. Rapids | 56 |
| Antonio Senzatela | El Paso | 54 |
| Zach Eflin | Chicago | 52 |
| Jack Flaherty | Milwaukee | 52 |
| Mike Fiers | Chicago | 48 |
| Trevor Cahill | Milwaukee | 48 |
| Trevor Bauer | Peculiar | 48 |