Poids Mi-Moyens Hommes
 | Jack Shields | 4-3-0, 1NC UFC | #1567 |  |
 | Jack Tucker | 0-1-0 REC | #6801 |  |
 | Jack Woodard | 0-1-0 REC | #4436 |  |
 | Jackson Clarke | 1-0-0 REC | #6836 | |
 | Jacob Horton | 0-1-0 REC | #7168 | |
 | Jacob Volkmann | 6-4-0 UFC | #2180 | |
 | Jacobe Smith | 3-0-0 UFC | #570 | |
 | Jake Babian | 0-1-0 REC | #4228 | |
 | Jake Ellenberger | 10-11-0 UFC | #935 | |
 | Jake Hecht | 1-2-0 UFC | #4547 | |
 | Jake Matthews | 15-8-0 UFC | #202 |  |
 | Jaleel Willis | 1-3-0 REC | #2588 | |
 | Jalin Fuller | 0-1-0 REC | #7076 | |
 | James Dixon | 0-1-0 REC | #6519 | |
 | James Giboo | 0-1-0 UFC | #6130 | |
 | James Head | 2-3-0 UFC | #3677 | |
 | James Krause | 9-4-0 UFC | #1141 | |
 | James Lewis | 1-1-0 REC | #5987 | |
 | James Llontop | 0-3-0 UFC | #2139 |  |
 | James Martin | 1-0-0 REC | #6698 | |