Sorted alphabetically by last name · 2767 fighters
| Name | Nickname | |
|---|---|---|
| BG | Brian Gassaway | |
| BG | Brian Geraghty | "Duke" |
| BH | Brian Houston | "B-Hue" |
| BJ | Brian Johnston | |
| BK | Brian Kelleher | "Boom" |
| BM | Brian Melancon | |
| BO | Brian Ortega | "T-City" |
| BS | Brian Stann |
| "All American" |
| BF | Brianna Fortino | "The Bull" |
| BM | Bristol Marunde |