Tous les combattants
 | Jack Claffey | 1-1-0 REC | #6499 |  |
 | Jack Congdon | 0-1-0 REC | #5199 |  |
 | Jack Dedames | #7865 | | |
 | Jack Della Maddalena | 8-2-0 UFC | #66 |  |
 | Jack Duffy | 0-1-0 REC | #5678 | |
 | Jack Eglin | 2-2-0 REC | #4931 | |
 | Jack Foote | 3-0-0 REC | #942 |  |
 | Jack Grant | 2-2-0 REC | #996 | |
 | Jack Hermansson | 11-8-0 UFC | #453 |  |
 | Jack Humphries | 5-0-0 REC | #1382 | |
 | Jack Jenkins | 4-2-0 UFC | #1285 | |
 | Jack Maguire | 1-0-0 REC | #6732 |  |
 | Jack Marshman | 3-5-0 UFC | #2883 |  |
 | Jack May | 0-2-0 UFC | #3941 | |
 | Jack McLaughlin | 0-1-0 UFC | #6454 | |
 | Jack McLoughlin | 2-1-0 REC | #589 | |
 | Jack Nilson | 1-1-0 UFC | #5270 | |
| Jack Sheehan | #8074 | | |
 | Jack Shields | 4-3-0, 1NC UFC | #1623 | |
 | Jack Shore | 6-3-0 UFC | #1642 | |
 | Jack Tucker | 0-1-0 REC | #6570 | |
 | Jack Woodard | 0-1-0 REC | #4752 | |
 | Jackie Cataline | 4-3-0 REC | #2465 | |
| Jackie Lee | 0-1-0 UFC | #6789 | |
 | Jackson Clarke | 1-0-0 REC | #6828 | |