Poids Moyens Hommes
 | Jordan Williams | 0-3-0 UFC | #2650 |  |
 | Jorge Rivera | 8-7-0 UFC | #1487 | |
 | Jose Medina | 0-4-0 UFC | #2073 |  |
 | Joseph Holmes | 1-3-0 UFC | #3562 | |
 | Josh Bryant | 0-1-0 UFC | #5249 | |
 | Josh Fremd | 2-4-0 UFC | #939 | |
 | Josh Haynes | 0-3-0 UFC | #4096 | |
 | Josh Samman | 3-2-0 UFC | #3328 | |
 | Jules Bruchez | 0-1-0 UFC | #7095 | |
 | Julian Marquez | 3-5-0 UFC | #1987 | |
 | Julien Leblanc | 0-1-0 UFC | #2939 |  |
 | Jun Yong Park | 9-4-0 UFC | #587 |  |
 | Justin Levens | 0-2-0 UFC | #5580 | |
 | Karl Roberson | 4-6-0 UFC | #2111 | |
 | Kazuhiro Nakamura | 0-2-0 UFC | #4901 |  |
 | KB Bhullar | 0-2-0 UFC | #5391 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #7094 | |
 | Keith Jardine | 6-7-0 UFC | #1683 | |
 | Keith Rockel | 1-1-0 UFC | #5415 | |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #224 | |