Poids Moyens Hommes
 | Jordan Williams | 0-3-0 UFC | #2604 |  |
 | Jorge Rivera | 8-7-0 UFC | #1390 | |
 | Jose Medina | 0-4-0 UFC | #1882 |  |
 | Joseph Holmes | 1-3-0 UFC | #3370 | |
 | Josh Bryant | 0-1-0 UFC | #5008 | |
 | Josh Fremd | 2-4-0 UFC | #513 | |
 | Josh Haynes | 0-3-0 UFC | #3959 | |
 | Josh Samman | 3-2-0 UFC | #3209 | |
 | Jules Bruchez | 0-1-0 UFC | #6808 | |
 | Julian Marquez | 3-5-0 UFC | #1907 | |
 | Julien Leblanc | 0-1-0 UFC | #3295 |  |
 | Jun Yong Park | 9-4-0 UFC | #566 |  |
 | Justin Levens | 0-2-0 UFC | #5420 | |
 | Karl Roberson | 4-6-0 UFC | #2090 | |
 | Kazuhiro Nakamura | 0-2-0 UFC | #4701 |  |
 | KB Bhullar | 0-2-0 UFC | #5290 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #6863 | |
 | Keith Jardine | 6-7-0 UFC | #1685 | |
 | Keith Rockel | 1-1-0 UFC | #5416 | |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #196 | |