Sorted alphabetically by last name · 2707 fighters
| Name | Nickname | |
|---|---|---|
| BS | Braxton Smith | "The Beautiful Monster" |
| BA | Brendan Allen | "All In" |
| BL | Brendan Loughnane | |
| BO | Brendan O'Reilly | "Badger" |
| BS | Brendan Schaub | "Big Brown" |
| BM | Brendon Marotte | "The Kid" |
| BR | Brendson Ribeiro | "The Gorilla" |
| BJ | Brett Johns | "The Pikey" |
| BB | Brian Bowles | |
| BC | Brian Camozzi | "Mantis" |