Poids Légers Hommes
 | Johnny Hopper | 0-1-0 REC | #6126 |  |
 | Jonatan Garcia | 0-1-0 REC | #4492 |  |
 | Jordan Little | 1-0-0, 1NC REC | #5697 |  |
 | Jordan Rinaldi | 2-3-0 UFC | #3491 | |
 | Jordan Stronge | 2-1-0 REC | #2204 |  |
 | Jordan Vucenic | 0-2-0 UFC | #209 | |
 | Jordon Tague | 0-1-0 REC | #5989 | |
 | Jorge de Oliveira | 0-2-0 UFC | #4647 |  |
 | Jorge Gurgel | 3-4-0 UFC | #2801 | |
 | Jorge Patino | 0-1-0 UFC | #4133 | |
 | Jose Aguayo | 0-1-0 REC | #6533 | |
 | Jose Ferreira | 1-0-0, 1NC REC | #3963 |  |
 | Joseph Lowry | 0-2-0 REC | #5771 | |
 | Joseph Perez | 0-1-0 REC | #6870 | |
 | Josh Harvey | 0-1-0 REC | #5437 | |
 | Josh Shockley | 0-2-0 UFC | #5354 | |
 | Josh Thomson | 3-4-0 UFC | #2369 | |
 | Josh Togo | 0-1-0 REC | #5980 |  |
 | Josh Wick | 0-1-0 REC | #5422 | |
 | Joshua Adeboy | 1-0-0 REC | #3076 |  |