Poids Légers Hommes
 | Islam Aguev | 1-1-0 REC | #1899 |  |
 | Islam Isaev | 0-2-0 REC | #4248 | |
 | Islam Mamedov | 6-1-1 REC | #2150 | |
 | Ismael Bonfim | 2-4-0 UFC | #415 |  |
 | Israel Delgado | 1-1-0 REC | #6114 |  |
 | Issa Isakov | 0-1-0 REC | #4378 |  |
 | Italo Cruz | 2-1-0 REC | #1628 | |
 | Italo Julio | 0-1-0 REC | #7526 | |
 | Italo Ribeiro | 0-2-0 REC | #5768 | |
 | Ivan Buchinger | 8-3-0 REC | #971 |  |
 | Ivan Klevets | 2-2-0 REC | #534 |  |
 | Ivan Yashmanov | 0-1-0 REC | #7241 | |
 | J.C. Cottrell | 0-2-0 UFC | #5560 | |
 | Jaad Sekkal | 1-0-0 REC | #2302 |  |
 | Jack Becker | 0-1-0 REC | #5300 |  |
 | Jack Sheehan | #8107 | | |
 | Jacob Bohn | 0-1-0 REC | #6998 | |
| Jacob Hill | 0-1-0 REC | #7328 | |
 | Jacob Lagoa | 1-0-0 REC | #1986 | |
 | Jacob Rosales | 1-3-0 REC | #2743 | |