Tous les combattants
 | Jack Foote | 3-0-0 REC | #841 |  |
 | Jack Grant | 2-2-0 REC | #899 |  |
 | Jack Hermansson | 11-8-0 UFC | #438 |  |
 | Jack Humphries | 5-0-0 REC | #1346 | |
 | Jack Jenkins | 4-2-0 UFC | #1319 |  |
 | Jack Maguire | 1-0-0 REC | #6730 |  |
 | Jack Marshman | 3-5-0 UFC | #2902 |  |
 | Jack May | 0-2-0 UFC | #3937 |  |
 | Jack McLaughlin | 0-1-0 UFC | #6366 | |
 | Jack McLoughlin | 2-1-0 REC | #488 | |
 | Jack Nilson | 1-1-0 UFC | #5244 | |
| Jack Sheehan | #8048 | | |
 | Jack Shields | 4-3-0, 1NC UFC | #1644 | |
 | Jack Shore | 6-3-0 UFC | #1650 | |
 | Jack Tucker | 0-1-0 REC | #6641 | |
 | Jack Woodard | 0-1-0 REC | #4779 | |
 | Jackie Cataline | 4-3-0 REC | #2468 | |
| Jackie Lee | 0-1-0 UFC | #6814 | |
 | Jackson Clarke | 1-0-0 REC | #6873 | |
 | Jackson Glass | 1-0-0 REC | #739 | |
 | Jackson McVey | 1-2-0 UFC | #745 | |
 | Jackson Ross | 0-1-0 REC | #5139 | |
 | Jacky Jeanne | 6-2-0 REC | #1547 |  |
 | Jacob Bohn | 0-1-0 REC | #6900 | |
| Jacob Hill | 0-1-0 REC | #7197 | |