| Player | Team | BB |
|---|---|---|
| Bryce Harper | El Paso | 115 |
| Mike Trout | Peculiar | 96 |
| Jose Ramirez | Wisc. Rapids | 89 |
| Ronald Acuna | El Paso | 83 |
| Matt Olson | Peculiar | 77 |
| Ian Happ | Chicago | 69 |
| Sean Murphy | Chicago | 68 |
| Trea Turner | Wisc. Rapids | 67 |
| Manny Machado | Wisc. Rapids | 66 |
| Michael Conforto | Peculiar | 62 |
| Josh Reddick | Peculiar | 62 |
| Eddie Rosario | Chicago | 61 |
| Luke Voit | Milwaukee | 60 |
| Francisco Lindor | Milwaukee | 59 |
| Jeimer Candelario | Milwaukee | 57 |
| Martin Maldonado | Wisc. Rapids | 56 |
| Danny Jansen | Peculiar | 53 |
| Eduardo Escobar | El Paso | 48 |
| DJ Stewart | Peculiar | 47 |
| Adam Eaton | Chicago | 47 |