Poids Mi-Lourds Hommes
 | John Dowdy | 0-1-0 UFC | #6336 |  |
 | Johnny Walker | 8-6-0, 1NC UFC | #227 |  |
 | Jonathan Wilson | 1-3-0 UFC | #3780 | |
 | Jordan Nandor | 1-2-0, 1NC REC | #2230 |  |
 | Jordan Wright | 2-5-0 UFC | #2540 | |
 | Jordan Young | 1-1-0 REC | #6253 | |
 | Jorge Gonzalez | #6953 |  | |
 | Jorick Montagnac | 6-3-0 REC | #959 | |
 | Jose Carlos Lima | 0-1-0 REC | #5115 | |
 | Josh Schockman | 0-1-0 UFC | #6223 | |
 | Josh Stansbury | 1-2-0 UFC | #3867 | |
 | Jovan Zeljkovic | 0-1-0 REC | #5237 |  |
 | Jozef Jaloviar | 0-1-0 REC | #7059 |  |
 | Julius Anglickas | 1-2-0 REC | #4465 |  |
 | Julius Walker | 1-2-0 UFC | #1286 | |
 | Junior Tafa | 2-5-0 UFC | #1064 |  |
 | Justin Jones | 0-2-0 UFC | #4718 | |
 | Justin Ledet | 3-4-0 UFC | #2918 | |
 | Justin Sumter | 0-3-0 REC | #3768 | |
 | Kacper Sochacki | 1-0-0 REC | #710 |  |