Sorted alphabetically by last name · 2778 fighters
| Name | Nickname | |
|---|---|---|
| BF | Brian Foster | "The Foster Boy" |
| BG | Brian Gassaway | |
| BG | Brian Geraghty | "Duke" |
| BH | Brian Houston | "B-Hue" |
| BJ | Brian Johnston | |
| BK | Brian Kelleher | "Boom" |
| BM | Brian Melancon | |
| BO |
| "T-City" |
| BS | Brian Stann | "All American" |
| BF | Brianna Fortino | "The Bull" |