Poids Moyens Hommes
 | Johnny Rees | 0-2-0 UFC | #5896 |  |
 | Johny Hendricks | 13-8-0 UFC | #315 | |
 | Jon Fitch | 14-3-1 UFC | #246 | |
 | Jon Gover | 0-1-0 REC | #7743 | |
 | Jon Kunneman | 0-1-0 REC | #3909 | |
 | Jonatan Westin | 0-2-0 REC | #6495 |  |
 | Jonathan Elias | 0-1-0 REC | #6324 |  |
 | Jonathan Figueroa | #7604 |  | |
 | Jordan Fongno | 1-0-0 REC | #1175 |  |
 | Jordan Newman | 4-0-0 REC | #2014 | |
 | Jordan Williams | 0-3-0 UFC | #2579 | |
 | Jorge Bueno | 1-4-0 REC | #4200 | |
 | Jorge Rivera | 8-7-0 UFC | #1484 | |
 | Jose Galindo | 0-1-0 REC | #6378 |  |
 | Jose Medina | 0-4-0 UFC | #2119 |  |
 | Joseph Holmes | 1-3-0 UFC | #3641 | |
 | Joseph Kropschot | 3-0-0 REC | #525 | |
 | Josh Bryant | 0-1-0 UFC | #5421 | |
 | Josh Fremd | 2-4-0 UFC | #304 | |
 | Josh Haynes | 0-3-0 UFC | #4184 | |