Poids Légers Hommes
 | Jai Herbert | 4-5-1 UFC | #245 |  |
 | Jairo Pacheco | 0-2-0 REC | #5802 |  |
 | Jake Bower | 0-1-0 REC | #6347 |  |
 | Jake Hixenbaugh | 0-1-0 REC | #6823 | |
 | Jake Lindsey | 0-3-0 UFC | #4498 | |
 | Jakub Bahnik | 5-1-0, 1NC REC | #2806 |  |
 | Jakub Dohnal | 4-5-0 REC | #2178 | |
 | Jakub Kaczmarski | 0-2-0 REC | #6451 |  |
 | Jakub Kaszuba | 8-0-0 REC | #465 | |
 | Jalin Turner | 8-6-0 UFC | #385 | |
 | James Deitz | 0-1-0 REC | #7213 | |
 | James Gonzalez | 2-3-0 REC | #3785 | |
 | James Lynch | 1-1-0 REC | #6460 | |
 | James Moontasri | 2-4-0 UFC | #3261 | |
 | James Pleasant | 0-1-0 REC | #7138 | |
 | James Power | 5-1-0 REC | #1701 | |
 | Jamie Mullarkey | 6-7-0 UFC | #752 |  |
 | Jamie Varner | 3-6-0 UFC | #2763 | |
 | Jan Malach | 4-7-0 REC | #406 | |
 | Jan Quaeyhaegens | 3-1-0 REC | #3579 |  |