Poids Moyens Hommes
 | Josh Silveira | 8-6-0 REC | #1114 |  |
 | Josh Ward | 0-1-0 REC | #5972 | |
 | Jozef Wittner | 1-3-0 REC | #3574 |  |
 | Juan Cabrera | #7902 |  | |
 | Jules Bruchez | 0-1-0 UFC | #7398 | |
 | Julian Marquez | 3-5-0 UFC | #2093 | |
 | Julien Leblanc | 0-1-0 UFC | #2856 |  |
 | Julio Spadaccini | 1-0-0 REC | #2149 |  |
 | Jun Yong Park | 9-4-0 UFC | #686 |  |
 | Junior Orgulho | 0-1-0 REC | #7685 | |
 | Justin Barry | 0-1-0 REC | #6096 | |
 | Justin Detzel | 1-0-0 REC | #1549 |  |
 | Justin Levens | 0-2-0 UFC | #5821 | |
 | Kacper Fratczak | 1-0-0 REC | #1815 |  |
 | Kacper Karski | 0-1-0 REC | #7509 | |
 | Kacper Pakeltys | 1-0-0 REC | #2640 | |
 | Kaden Moon | #8312 | | |
 | Kailan Hill | 0-1-0 REC | #6580 |  |
 | Kamil Oniszczuk | 3-3-0 REC | #962 | |
 | Kamil Wojciechowski | 0-2-0 REC | #6383 | |