Poids Moyens Hommes
 | Jorge Rivera | 8-7-0 UFC | #1484 |  |
 | Jose Medina | 0-4-0 UFC | #2119 |  |
 | Joseph Holmes | 1-3-0 UFC | #3641 | |
 | Josh Bryant | 0-1-0 UFC | #5421 | |
 | Josh Fremd | 2-4-0 UFC | #304 | |
 | Josh Haynes | 0-3-0 UFC | #4184 | |
 | Josh Samman | 3-2-0 UFC | #3398 | |
 | Jules Bruchez | 0-1-0 UFC | #7311 | |
 | Julian Marquez | 3-5-0 UFC | #2030 | |
 | Julien Leblanc | 0-1-0 UFC | #2839 |  |
 | Jun Yong Park | 9-4-0 UFC | #648 |  |
 | Justin Levens | 0-2-0 UFC | #5743 | |
 | Karl Roberson | 4-6-0 UFC | #2104 | |
 | Kazuhiro Nakamura | 0-2-0 UFC | #4977 |  |
 | KB Bhullar | 0-2-0 UFC | #5575 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #7208 | |
 | Keith Jardine | 6-7-0 UFC | #1705 | |
 | Keith Rockel | 1-1-0 UFC | #5475 | |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #242 | |
 | Kendall Grove | 7-6-0 UFC | #1817 | |