Poids Mi-Moyens Hommes
 | Islam Dulatov | 1-0-0 UFC | #1359 |  |
 | Islam Khapilaev | 0-1-0 REC | #6795 | |
 | Islam Makhachev | 17-1-0 UFC | #1 |  |
 | Ismail Ismailov | 0-1-0 REC | #6879 | |
 | Italo Gomes | 0-2-0 REC | #4248 |  |
 | Itso Babulaidze | 2-0-0 REC | #4512 |  |
 | Ivan Jorge | 2-2-0 UFC | #3452 | |
 | Ivan Soloviev | 1-2-0 REC | #2379 | |
 | Ivica Truscek | 2-1-0 REC | #2014 |  |
 | Iwan Tagner | 1-0-0 REC | #7972 | |
 | J.P. Saint Louis | 1-0-0 REC | #2905 |  |
 | Jack Congdon | 0-1-0 REC | #5128 | |
 | Jack Dedames | #7723 |  | |
 | Jack Della Maddalena | 8-2-0 UFC | #63 |  |
 | Jack Grant | 2-2-0 REC | #675 | |
 | Jack Shields | 4-3-0, 1NC UFC | #1612 | |
 | Jack Tucker | 0-1-0 REC | #6802 |  |
 | Jack Woodard | 0-1-0 REC | #4663 | |
 | Jackson Clarke | 1-0-0 REC | #6857 | |
 | Jacob Horton | 0-1-0 REC | #7433 | |