Tous les combattants
 | Jake Rosholt | 1-2-0 UFC | #4593 |  |
 | Jake Wilkins | 0-1-0 REC | #6402 |  |
 | Jake Woodley | 5-1-0 REC | #234 | |
 | Jakob Nedoh | 3-2-0 REC | #3878 |  |
 | Jakub Bahnik | 5-1-0, 1NC REC | #2945 |  |
 | Jakub Batfalsky | 4-2-0 REC | #1384 | |
 | Jakub Bele | 0-2-0 REC | #7021 | |
 | Jakub Dohnal | 4-5-0 REC | #2349 | |
 | Jakub Kaczmarski | 0-2-0 REC | #6796 |  |
 | Jakub Kaszuba | 8-0-0 REC | #604 | |
 | Jakub Tichota | 3-4-0 REC | #3374 | |
 | Jakub Wiklacz | 2-0-0 UFC | #779 | |
 | Jakub Zacpal | #8064 | | |
 | Jalal Al Daaja | 0-2-0 REC | #5832 |  |
 | Jaleel Willis | 1-3-0 REC | #2689 | |
 | Jalin Fuller | 0-1-0 REC | #7151 | |
 | Jalin Turner | 8-6-0 UFC | #470 | |
 | Jamahal Hill | 6-4-0, 1NC UFC | #137 | |
 | Jamal Fayzullaev | 0-1-0 REC | #6436 |  |
 | Jamal Pogues | 2-2-0 UFC | #2327 | |
 | Jamall Emmers | 5-4-0 UFC | #1170 | |
 | Jamelle Jones | 1-3-0 REC | #4334 | |
 | James Adcock | 0-1-0 REC | #7271 | |
 | James Barnes | 0-1-0 REC | #7047 | |
 | James Bochnovic | 0-2-0 UFC | #5014 | |