Tous les combattants
 | Jack Dedames | #8024 |  | |
 | Jack Della Maddalena | 8-2-0 UFC | #74 |  |
 | Jack Duffy | 0-1-0 REC | #5986 |  |
 | Jack Eglin | 2-2-0 REC | #5201 | |
 | Jack Foote | 3-0-0 REC | #1292 |  |
 | Jack Grant | 2-2-0 REC | #1322 | |
 | Jack Hermansson | 11-8-0 UFC | #501 |  |
 | Jack Humphries | 5-0-0 REC | #1567 | |
 | Jack Jenkins | 4-3-0 UFC | #1230 | |
 | Jack Maguire | 1-0-0 REC | #7046 |  |
 | Jack Marshman | 3-5-0 UFC | #2905 |  |
 | Jack May | 0-2-0 UFC | #4123 | |
 | Jack McLaughlin | 0-1-0 UFC | #6829 | |
 | Jack McLoughlin | 2-1-0 REC | #1000 | |
 | Jack Nilson | 1-1-0 UFC | #5464 | |
| Jack Sheehan | #8245 | | |
 | Jack Shields | 4-3-0, 1NC UFC | #1621 | |
 | Jack Shore | 6-3-0 UFC | #1680 | |
 | Jack Tucker | 0-1-0 REC | #6504 | |
 | Jack Woodard | 0-1-0 REC | #4749 | |
 | Jackie Cataline | 4-3-0 REC | #2488 | |
| Jackie Lee | 0-1-0 UFC | #6780 | |
 | Jackson Clarke | 1-0-0 REC | #6897 | |
 | Jackson Glass | 1-0-0 REC | #1271 | |
 | Jackson McVey | 2-2-0 UFC | #405 | |