| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Colley | Bradford | 5' 7" | 145 lbs. | -- | 0 | 1 | 0 | |||
| Kyle | Bradley | 5' 9" | 155 lbs. | 71.0" | Orthodox | 19 | 12 | 0 | ||
| Paul | Bradley | The Gentleman | 5' 9" | 170 lbs. | -- | Orthodox | 23 | 8 | 0 | |
| Sean | Brady | 5' 10" | 170 lbs. | 72.0" | Orthodox | 16 | 1 | 0 | ||
| Ebenezer Fontes | Braga | Pitbull | 6' 0" | 199 lbs. | -- | Orthodox | 13 | 7 | 2 | |
| Ramiz | Brahimaj | 5' 10" | 170 lbs. | 72.0" | Orthodox | 10 | 5 | 0 | ||
| Adam | Bramhald | Samurai | -- | 135 lbs. | -- | 13 | 2 | 0 | ||
| Joe | Brammer | The South Side Strangler | 5' 8" | 155 lbs. | -- | Orthodox | 7 | 3 | 1 | |
| David | Branch | 6' 1" | 185 lbs. | 78.0" | Orthodox | 22 | 6 | 0 | ||
| Billy | Brand | Songthak | -- | 135 lbs. | -- | 5 | 1 | 0 | ||
| Diego | Brandao | DB | 5' 7" | 145 lbs. | 64.0" | Orthodox | 22 | 11 | 0 | |
| Bruna | Brasil | 5' 6" | 115 lbs. | 65.0" | Orthodox | 9 | 4 | 1 | ||
| Michael | Bravo | -- | 155 lbs. | -- | 7 | 4 | 0 | |||
| Martin | Bravo | El Toro | 5' 8" | 145 lbs. | 71.0" | Southpaw | 11 | 3 | 0 | |
| Roman | Bravo-Young | -- | 205 lbs. | -- | 0 | 1 | 0 | |||
| Mike | Breeden | Money | 5' 10" | 155 lbs. | 70.0" | Orthodox | 11 | 6 | 0 | |
| Tom | Breese | 6' 3" | 185 lbs. | 73.0" | Southpaw | 12 | 3 | 0 | ||
| Elves | Brener | 5' 10" | 155 lbs. | 72.0" | Orthodox | 16 | 4 | 0 | ||
| Chris | Brennan | The Westside Strangler | 5' 8" | 170 lbs. | -- | Orthodox | 21 | 13 | 1 | |
| Charlie | Brenneman | The Spaniard | 5' 10" | 155 lbs. | 70.0" | Orthodox | 19 | 8 | 0 | |
| Robert | Breslin | The Bullet | 5' 11" | 155 lbs. | -- | 3 | 9 | 0 | ||
| Mack | Brewer | -- | 205 lbs. | -- | 0 | 1 | 0 | |||
| Marcos | Brigagao | Ironside | 6' 3" | 205 lbs. | 76.0" | Southpaw | 11 | 1 | 0 | |
| Jason | Brilz | Hitman | 5' 11" | 205 lbs. | 71.0" | Orthodox | 22 | 6 | 1 |