Poids Mi-Lourds Hommes
 | Igor Pokrajac | 4-8-0, 1NC UFC | #2566 |  |
 | Igor Zinoviev | 0-1-0 UFC | #4116 |  |
 | Ihor Potieria | 2-6-0 UFC | #2064 |  |
 | Ike Villanueva | 1-5-0 UFC | #3683 |  |
 | Ilias Faquiri | #7979 | | |
 | Ion Cutelaba | 9-11-1 UFC | #472 |  |
 | Isaac Muluh | #4507 |  | |
 | Isaiah Parks | #8345 | | |
 | Isaiah Pinson | #2602 | | |
 | Ivan Erslan | 1-3-0 UFC | #1499 | |
 | Ivan Gnizditskiy | #6298 | | |
 | Ivan Serati | 0-1-0 UFC | #6174 |  |
 | Iwo Baraniewski | 3-1-0 UFC | #421 |  |
 | Jack Nilson | 1-1-0 UFC | #5515 | |
 | Jackie Lee | 0-1-0 UFC | #6762 | |
| Jackson Soares | 5-2-0 MMA | #6327 |  |
 | Jacky Jeanne | #1638 |  | |
| Jainer Ruiz-Jimenez | #5051 |  | |
 | Jair de Oliveira | #5668 | | |
 | Jake O'Brien | 4-3-0 UFC | #2461 | |