Poids Mi-Lourds Hommes
 | Jermaine Andre | 0-1-0 UFC | #5453 |  |
 | Jerry Bohlander | 5-2-0 UFC | #2261 | |
 | Jesse Midas | 0-1-0 REC | #7012 | |
 | Jesse Murray | 0-1-0 REC | #5730 | |
 | Jesus Sanchez | 0-1-0 REC | #4888 |  |
 | Jhonathan Azevedo | 0-1-0 REC | #7238 |  |
 | Jimi Manuwa | 6-6-0 UFC | #1557 |  |
 | Jimmy Crute | 6-4-2 UFC | #462 |  |
 | Jiri Prochazka | 6-2-0 UFC | #63 |  |
 | Joachim Christensen | 1-3-0 UFC | #3506 |  |
 | Joao Paulo Fagundes | 0-1-0 REC | #6650 | |
 | Joe Moreira | 1-1-0 UFC | #4352 | |
 | Joe Slick | 1-1-0 UFC | #4894 | |
 | Joe Taylor | 2-1-0 REC | #1074 | |
 | Joe Vedepo | 0-2-0 UFC | #5329 | |
 | Joel Sutton | 2-0-0 UFC | #3679 | |
 | Joey Roberts | 0-1-0 UFC | #4993 | |
 | John Allan | 0-2-0, 1NC UFC | #3111 | |
| John Dowdy | 0-1-0 UFC | #6327 | |
 | Johnny Walker | 8-6-0, 1NC UFC | #210 | |