Tous les combattants
 | Jack Della Maddalena | 8-2-0 UFC | #67 |  |
 | Jack Duffy | 0-1-0 REC | #5547 |  |
 | Jack Eglin | 2-2-0 REC | #4858 |  |
 | Jack Foote | 3-0-0 REC | #674 |  |
 | Jack Grant | 2-2-0 REC | #731 | |
 | Jack Hermansson | 11-8-0 UFC | #428 |  |
 | Jack Humphries | 5-0-0 REC | #1272 | |
 | Jack Jenkins | 4-2-0 UFC | #1293 | |
 | Jack Maguire | 1-0-0 REC | #6580 |  |
 | Jack Marshman | 3-5-0 UFC | #2900 |  |
 | Jack May | 0-2-0 UFC | #3870 | |
 | Jack McLaughlin | 0-1-0 UFC | #6238 | |
 | Jack McLoughlin | 2-1-0 REC | #354 | |
 | Jack Nilson | 1-1-0 UFC | #5190 | |
| Jack Sheehan | #7975 | | |
 | Jack Shields | 4-3-0, 1NC UFC | #1613 | |
 | Jack Shore | 6-3-0 UFC | #1598 | |
 | Jack Tucker | 0-1-0 REC | #6854 | |
 | Jack Woodard | 0-1-0 REC | #4717 | |
 | Jackie Cataline | 4-3-0 REC | #2431 | |
| Jackie Lee | 0-1-0 UFC | #6763 | |
 | Jackson Clarke | 1-0-0 REC | #6875 | |
 | Jackson Glass | #8074 | | |
 | Jackson McVey | 1-2-0 UFC | #635 | |
 | Jackson Ross | 0-1-0 REC | #5011 | |