Poids Plumes Hommes
 | Jack Jenkins | 4-2-0 UFC | #1111 |  |
 | Jack Maguire | 1-0-0 REC | #6351 |  |
 | Jack Shore | 6-3-0 UFC | #1449 |  |
 | Jacob Kilburn | 0-2-0 UFC | #3667 |  |
 | Jacob Wiggins | 0-1-0 REC | #4788 | |
 | Jair Farias | 0-1-0 REC | #6649 |  |
 | Jake Childers | 0-1-0 REC | #5237 | |
 | Jake McHugh | 3-1-0 REC | #1855 |  |
 | Jake Wilkins | #7678 |  | |
 | Jakub Batfalsky | 4-2-0 REC | #965 |  |
 | Jakub Tichota | 3-4-0 REC | #3135 | |
 | Jamall Emmers | 5-4-0 UFC | #995 | |
 | James Adcock | 0-1-0 REC | #6902 | |
 | James Gallagher | 1-2-0 REC | #3378 | |
 | James Guidry | 0-1-0 REC | #7304 | |
 | James Hendin | 4-2-0 REC | #1629 |  |
 | James Opio | 0-0-1 REC | #6543 |  |
 | Jamey Simmons | 0-2-0 UFC | #4395 | |
 | Jamie McGowan | 1-0-0 REC | #1877 |  |
 | Jamie Siraj | 0-1-0 UFC | #4286 |  |