Poids Mi-Moyens Hommes
 | Islam Khapilaev | 0-1-0 REC | #6828 |  |
 | Islam Makhachev | 17-1-0 UFC | #1 |  |
 | Ismail Ismailov | 0-1-0 REC | #6585 | |
 | Italo Gomes | 0-2-0 REC | #4360 |  |
 | Itso Babulaidze | 2-0-0 REC | #4572 |  |
 | Ivan Jorge | 2-2-0 UFC | #3504 | |
 | Ivan Soloviev | 1-2-0 REC | #2532 | |
 | Ivica Truscek | 2-1-0 REC | #2168 |  |
 | Iwan Tagner | 1-0-0 REC | #783 | |
 | J.P. Saint Louis | 1-0-0 REC | #3074 |  |
 | Jack Congdon | 0-1-0 REC | #5125 | |
 | Jack Dedames | #7861 |  | |
 | Jack Della Maddalena | 8-2-0 UFC | #68 |  |
 | Jack Grant | 2-2-0 REC | #899 | |
 | Jack Shields | 4-3-0, 1NC UFC | #1644 | |
 | Jack Tucker | 0-1-0 REC | #6641 |  |
 | Jack Woodard | 0-1-0 REC | #4779 | |
 | Jackson Clarke | 1-0-0 REC | #6873 | |
 | Jacob Horton | 0-1-0 REC | #7568 | |
 | Jacob Volkmann | 6-4-0 UFC | #2248 | |