Poids Mouches Hommes
 | Jordan Molinari | 3-1-0 REC | #1796 |  |
 | Jose Maria Tome | 0-2-0 UFC | #5410 |  |
 | Jose Ochoa | 2-2-0 UFC | #567 |  |
 | Jose Sandoval | 1-1-0 REC | #3031 |  |
 | Jose Vasquez | 0-1-0 REC | #5579 |  |
 | Joseph Benavidez | 15-6-0 UFC | #217 | |
 | Joseph Camacho | 0-1-0 REC | #7077 |  |
 | Joseph Hobbs | 0-1-0 REC | #6318 | |
 | Joseph Larcinese | 1-0-0 REC | #1633 |  |
 | Joseph Morales | 3-2-0 UFC | #1175 | |
 | Josh Ferguson | 0-2-0 UFC | #5095 | |
 | Josh Sampo | 1-3-0 UFC | #4182 | |
 | Joshua Perreira | 1-0-0 REC | #6532 | |
 | Joshua Van | 10-1-0 UFC | #16 |  |
 | Josiah Reyes | 1-1-0 REC | #5299 | |
 | Jostin Quilca | 0-1-0 REC | #5399 |  |
 | Josua Hernandez | #7987 |  | |
 | Juan Puerta | 1-0-0 REC | #6864 | |
 | Juancamilo Ronderos | 0-2-0 UFC | #4791 |  |
 | Jung Hyun Lee | 1-2-0 REC | #1249 |  |