Poids Lourds Hommes
 | Jashell Ticha Awa | 0-2-0 REC | #3981 |  |
 | Jason Fairn | 0-1-0 UFC | #6340 |  |
 | Jason Godsey | 0-2-0 UFC | #4558 |  |
 | Javad Mahjoub | #8225 |  | |
 | Jeff Hughes | 0-3-0, 1NC UFC | #3966 | |
 | Jeff Monson | 4-3-0 UFC | #2416 | |
 | Jhonata Diniz | 3-2-0 UFC | #1422 |  |
 | Jim Mullen | 0-1-0 UFC | #7311 | |
 | Jimmy Lawson | 0-1-0 REC | #5942 | |
 | Joe Charles | 2-2-0 UFC | #3950 | |
 | Joe Pardo | 0-1-0 UFC | #6504 | |
 | Joe Son | 0-1-0 UFC | #4937 | |
 | Joffie Houlton | 3-2-0 REC | #2235 |  |
 | John Campetella | 0-1-0 UFC | #5444 | |
 | John Lopez | 0-1-0 REC | #5417 | |
 | John Marsh | 0-1-0 UFC | #5260 | |
 | John Matua | 0-1-0 UFC | #4835 | |
 | John Winter | 0-1-0 REC | #7500 |  |
 | John-Olav Einemo | 0-2-0 UFC | #4112 |  |
 | Johnny Rhodes | 2-1-0 UFC | #4120 | |