Poids Légers Hommes
 | Basir Saraliev | 1-0-0 REC | #3155 |  |
 | Baysangur Makaev | 0-1-0 REC | #5366 |  |
 | Bayzet Khatkhokhu | 0-2-0 REC | #4797 | |
 | Bekbolot Abdylda Uulu | 0-1-0 REC | #7079 |  |
 | Ben Wall | 0-2-0 UFC | #4487 |  |
 | Beneil Dariush | 17-8-1 UFC | #83 |  |
 | Benjamin Brander | 0-1-0 REC | #5114 |  |
 | Benny Orozco | 2-1-0 REC | #622 |  |
 | Benoit Saint-Denis | 9-3-0 UFC | #31 |  |
 | Bernardo Magalhaes | 0-2-0 UFC | #4935 |  |
 | Biaggio Ali Walsh | 9-1-0 REC | #220 | |
 | Bibert Tumenov | 3-0-0 REC | #779 | |
 | Bilal Kai Haga | 0-1-0 REC | #5253 |  |
 | Bilal Nazhmudinov | 0-1-0 REC | #5991 | |
 | Blake Smith | 0-1-0 REC | #7217 | |
 | Bobby Green | 15-12-1, 1NC UFC | #123 | |
 | Bobby King | 1-3-0 REC | #3924 | |
 | Bobby Pallett | 1-3-0 REC | #4148 |  |
 | Bogdan Barbu | 0-1-0 REC | #6508 |  |
 | Bogdan Plutakhin | 3-0-0 REC | #677 | |