Poids Légers Hommes
 | Jacob Hill | 0-1-0 REC | #6172 |  |
 | Jacob Rosales | 1-3-0 REC | #1921 | |
 | Jacobi Jones | 2-3-0 REC | #2160 | |
 | Jae Hyun Park | 1-2-0 REC | #2013 |  |
 | Jai Herbert | 3-5-1 UFC | #1176 |  |
 | Jairo Pacheco | 0-2-0 REC | #5617 |  |
 | Jake Bower | 0-1-0 REC | #5986 | |
 | Jake Hixenbaugh | 0-1-0 REC | #6693 | |
 | Jake Lindsey | 0-3-0 UFC | #4354 | |
 | Jakub Bahnik | 5-1-0, 1NC REC | #2667 |  |
 | Jakub Dohnal | 4-5-0 REC | #2034 | |
 | Jakub Kaczmarski | 0-2-0 REC | #6136 |  |
 | Jakub Kaszuba | 7-0-0 REC | #981 | |
 | Jalin Turner | 8-6-0 UFC | #291 | |
 | James Deitz | 0-1-0 REC | #7045 | |
 | James Gonzalez | 2-3-0 REC | #3576 | |
 | James Llontop | 0-3-0 UFC | #2283 |  |
 | James Lynch | 1-1-0 REC | #6313 | |
 | James Moontasri | 2-4-0 UFC | #3117 | |
 | James Pleasant | 0-1-0 REC | #6938 | |