Poids Mouches Hommes
 | Isiah Torres | 1-0-0 REC | #6253 |  |
 | Jack Duffy | 0-1-0 REC | #5617 | |
 | Jacob Romero | 0-1-0 REC | #6415 | |
 | Jacob Silva | 0-2-0 REC | #5730 | |
 | Jafel Filho | 3-2-0 UFC | #1051 |  |
 | Jaime Alvarez | 1-0-0 REC | #6107 | |
 | Jaime Lloyd | 1-0-0 REC | #1713 | |
 | Jamal Fayzullaev | 0-1-0 REC | #5877 |  |
 | Jamie Abbott-Bissett | 2-0-0 REC | #2757 |  |
 | Jamshid Tilyaev | #7543 |  | |
 | Jared Braun | 0-1-0 REC | #6062 | |
 | Jarred Brooks | 2-2-0 UFC | #3068 | |
 | Javier Cepeda | 0-1-0 REC | #6428 | |
 | Jawany Scott | 6-2-0 REC | #817 |  |
 | Jean Matos | 0-1-0 REC | #6875 | |
 | Jean Sevalho | 1-0-0 REC | #2152 | |
 | Jeff Molina | 3-0-0 UFC | #2174 | |
 | Jenel Lausa | 1-3-0 UFC | #3398 |  |
 | Jenilto Matos | 0-2-0 REC | #3994 | |
 | Jeremia Siregar | 0-1-0 REC | #6020 |  |