Poids Moyens Hommes
 | Johnny Rees | 0-2-0 UFC | #5464 |  |
 | Johny Hendricks | 13-8-0 UFC | #292 | |
 | Jon Fitch | 14-3-1 UFC | #225 | |
 | Jon Gover | 0-1-0 REC | #7369 | |
 | Jon Kunneman | #7306 | | |
 | Jonatan Westin | 0-2-0 REC | #6436 |  |
 | Jonathan Elias | 0-1-0 REC | #5808 |  |
 | Jonathan Figueroa | #7427 |  | |
 | Jordan Newman | 4-0-0 REC | #1502 | |
 | Jordan O'Neill | 2-0-0 REC | #2005 |  |
 | Jordan Williams | 0-3-0 UFC | #2604 | |
 | Jorge Bueno | 1-4-0 REC | #3869 | |
 | Jorge Rivera | 8-7-0 UFC | #1390 | |
 | Jose Galindo | 0-1-0 REC | #6259 |  |
 | Jose Medina | 0-4-0 UFC | #1882 |  |
 | Joseph Holmes | 1-3-0 UFC | #3370 | |
 | Joseph Kropschot | 2-0-0 REC | #844 | |
 | Josh Bryant | 0-1-0 UFC | #5008 | |
 | Josh Fremd | 2-4-0 UFC | #513 | |
 | Josh Haynes | 0-3-0 UFC | #3959 | |