Sorted alphabetically by last name · 2715 fighters
| Name | Nickname | |
|---|---|---|
| JB | Joseph Benavidez | |
| JG | Joseph Gigliotti | "Capo" |
| JH | Joseph Holmes | "Uglyman Joe" |
| JM | Joseph Morales | "Bopo" |
| JS | Joseph Sandoval | |
| JB | Josh Barnett | "The Warmaster" |
| JB | Josh Bryant | "The Beast" |
| JC | Josh Clopton | "The Gentleman" |
| JC | Josh Copeland | "Cuddly Bear" |
| JC | Josh Culibao | "Kuya" |