Poids Moyens Hommes
 | Jordan Williams | 0-3-0 UFC | #2630 |  |
 | Jorge Rivera | 8-7-0 UFC | #1510 | |
 | Jose Medina | 0-4-0 UFC | #2119 |  |
 | Joseph Holmes | 1-3-0 UFC | #3604 | |
 | Josh Bryant | 0-1-0 UFC | #5362 | |
 | Josh Fremd | 2-4-0 UFC | #1097 | |
 | Josh Haynes | 0-3-0 UFC | #4153 | |
 | Josh Samman | 3-2-0 UFC | #3366 | |
 | Jules Bruchez | 0-1-0 UFC | #7275 | |
 | Julian Marquez | 3-5-0 UFC | #2033 | |
 | Julien Leblanc | 0-1-0 UFC | #2834 |  |
 | Jun Yong Park | 9-4-0 UFC | #628 |  |
 | Justin Levens | 0-2-0 UFC | #5688 | |
 | Karl Roberson | 4-6-0 UFC | #2125 | |
 | Kazuhiro Nakamura | 0-2-0 UFC | #4993 |  |
 | KB Bhullar | 0-2-0 UFC | #5506 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #7125 | |
 | Keith Jardine | 6-7-0 UFC | #1714 | |
 | Keith Rockel | 1-1-0 UFC | #5428 | |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #233 | |