Poids Moyens Hommes
 | Josh Samman | 3-2-0 UFC | #3398 |  |
 | Josh Silveira | 8-6-0 REC | #1085 | |
 | Josh Ward | 0-1-0 REC | #5863 | |
 | Juan Cabrera | #7820 |  | |
 | Jules Bruchez | 0-1-0 UFC | #7311 | |
 | Julian Marquez | 3-5-0 UFC | #2030 | |
 | Julien Leblanc | 0-1-0 UFC | #2839 |  |
 | Julio Spadaccini | 1-0-0 REC | #2051 |  |
 | Jun Yong Park | 9-4-0 UFC | #648 |  |
 | Junior Orgulho | 0-1-0 REC | #7575 | |
 | Justin Barry | 0-1-0 REC | #6135 | |
 | Justin Detzel | 1-0-0 REC | #1374 |  |
 | Justin Levens | 0-2-0 UFC | #5743 | |
 | Kacper Fratczak | 1-0-0 REC | #1632 |  |
 | Kacper Karski | 0-1-0 REC | #7475 | |
 | Kacper Pakeltys | 1-0-0 REC | #2527 | |
 | Kailan Hill | 0-1-0 REC | #6445 |  |
 | Kamil Oniszczuk | 3-3-0 REC | #803 | |
 | Kamil Wojciechowski | 0-2-0 REC | #6261 | |
 | Karl Roberson | 4-6-0 UFC | #2104 | |