Tous les combattants
 | Jailton Almeida | 8-3-0 UFC | #414 |  |
 | Jaime Alvarez | 1-0-0 REC | #6444 |  |
 | Jaime Lloyd | 1-0-0 REC | #2462 | |
 | Jaime Mora-Munoz | 0-1-0 REC | #7765 | |
 | Jaimee Nievera | 0-1-0 REC | #5533 | |
 | Jainer Ruiz-Jimenez | 0-1-0 REC | #7044 |  |
 | Jair de Oliveira | 0-1-0 REC | #5257 | |
 | Jair Farias | 0-1-0 REC | #7167 | |
 | Jairo Pacheco | 0-2-0 REC | #6171 | |
 | Jairzinho Rozenstruik | 9-6-0 UFC | #638 |  |
 | Jake Babian | 0-1-0 REC | #4150 | |
 | Jake Bower | 0-1-0 REC | #6846 | |
 | Jake Childers | 0-1-0 REC | #5912 | |
 | Jake Collier | 5-9-0 UFC | #1751 | |
 | Jake Ellenberger | 10-11-0 UFC | #923 | |
 | Jake Hadley | 3-4-0 UFC | #1358 |  |
 | Jake Hecht | 1-2-0 UFC | #4514 | |
 | Jake Heun | 0-1-0 REC | #7659 | |
 | Jake Hixenbaugh | 0-2-0 REC | #4615 | |
 | Jake Lindsey | 0-3-0 UFC | #4794 | |
 | Jake Matthews | 16-8-0 UFC | #145 |  |
 | Jake McHugh | 4-1-0 REC | #567 | |
 | Jake O'Brien | 4-3-0 UFC | #2475 | |
 | Jake Quickenden | 1-0-0 REC | #6793 | |
 | Jake Rosholt | 1-2-0 UFC | #4642 | |