Poids Moyens Hommes
 | Josh Haynes | 0-3-0 UFC | #3953 |  |
 | Josh Samman | 3-2-0 UFC | #3235 | |
 | Josh Silveira | 8-5-0 REC | #993 | |
 | Josh Ward | 0-1-0 REC | #5419 | |
 | Juan Cabrera | #7500 |  | |
 | Jules Bruchez | 0-1-0 UFC | #6837 | |
 | Julian Marquez | 3-5-0 UFC | #1907 | |
 | Julien Leblanc | 0-1-0 UFC | #3204 |  |
 | Julio Spadaccini | 1-0-0 REC | #1276 |  |
 | Jun Yong Park | 9-4-0 UFC | #569 |  |
 | Junior Orgulho | 0-1-0 REC | #6866 | |
 | Justin Barry | 0-1-0 REC | #6529 | |
 | Justin Levens | 0-2-0 UFC | #5418 | |
 | Kacper Fratczak | 1-0-0 REC | #755 |  |
 | Kacper Karski | 0-1-0 REC | #6865 | |
 | Kacper Pakeltys | 1-0-0 REC | #1891 | |
 | Kailan Hill | 0-1-0 REC | #6276 |  |
 | Kamil Oniszczuk | 2-3-0 REC | #982 | |
 | Kamil Wojciechowski | 0-2-0 REC | #5844 | |
 | Karl Roberson | 4-6-0 UFC | #2076 | |