Poids Moyens Hommes
 | Jordan Williams | 0-3-0 UFC | #2656 |  |
 | Jorge Rivera | 8-7-0 UFC | #1508 | |
 | Jose Medina | 0-4-0 UFC | #2113 |  |
 | Joseph Holmes | 1-3-0 UFC | #3576 | |
 | Josh Bryant | 0-1-0 UFC | #5338 | |
 | Josh Fremd | 2-4-0 UFC | #1027 | |
 | Josh Haynes | 0-3-0 UFC | #4109 | |
 | Josh Samman | 3-2-0 UFC | #3327 | |
 | Jules Bruchez | 0-1-0 UFC | #7197 | |
 | Julian Marquez | 3-5-0 UFC | #1999 | |
 | Julien Leblanc | 0-1-0 UFC | #2961 |  |
 | Jun Yong Park | 9-4-0 UFC | #608 |  |
 | Justin Levens | 0-2-0 UFC | #5591 | |
 | Karl Roberson | 4-6-0 UFC | #2119 | |
 | Kazuhiro Nakamura | 0-2-0 UFC | #4936 |  |
 | KB Bhullar | 0-2-0 UFC | #5424 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #7085 | |
 | Keith Jardine | 6-7-0 UFC | #1707 | |
 | Keith Rockel | 1-1-0 UFC | #5399 | |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #233 | |