Poids Mi-Moyens Hommes
 | Jack Dedames | #7278 |  | |
 | Jack Della Maddalena | 8-1-0 UFC | #39 |  |
 | Jack Grant | 1-2-0 REC | #3815 | |
 | Jack Shields | 4-3-0, 1NC UFC | #1489 |  |
 | Jack Tucker | 0-1-0 REC | #6602 |  |
 | Jack Woodard | #7425 | | |
 | Jackson Clarke | 1-0-0 REC | #6526 | |
 | Jacob Horton | 0-1-0 REC | #6843 | |
 | Jacob Volkmann | 6-4-0 UFC | #2047 | |
 | Jacobe Smith | 3-0-0 UFC | #296 | |
 | Jake Babian | #7609 | | |
 | Jake Ellenberger | 10-11-0 UFC | #865 | |
 | Jake Hecht | 1-2-0 UFC | #4351 | |
 | Jake Matthews | 15-8-0 UFC | #199 | |
 | Jaleel Willis | 1-3-0 REC | #2412 | |
 | Jalin Fuller | 0-1-0 REC | #6701 | |
 | James Dixon | 0-1-0 REC | #6179 | |
 | James Giboo | 0-1-0 UFC | #5801 | |
 | James Head | 2-3-0 UFC | #3456 | |
 | James Krause | 9-4-0 UFC | #1058 | |