Poids Mi-Lourds Hommes
 | Ike Villanueva | 1-5-0 UFC | #3507 |  |
 | Ilias Faquiri | #7845 | | |
 | Ion Cutelaba | 9-11-1 UFC | #362 |  |
 | Isaac Muluh | 0-1-0 REC | #4262 |  |
 | Isaiah Pinson | 3-3-0 REC | #2331 | |
 | Ivan Erslan | 1-3-0 UFC | #1159 |  |
 | Ivan Gnizditskiy | #7668 |  | |
 | Ivan Serati | 0-1-0 UFC | #6070 |  |
 | Iwo Baraniewski | 3-0-0 UFC | #365 |  |
 | Jack Nilson | 1-1-0 UFC | #5276 | |
 | Jackie Lee | 0-1-0 UFC | #6807 | |
 | Jacky Jeanne | 6-2-0 REC | #1550 |  |
| Jainer Ruiz-Jimenez | 0-1-0 REC | #6068 |  |
 | Jair de Oliveira | 0-1-0 REC | #5329 |  |
 | Jake O'Brien | 4-3-0 UFC | #2449 | |
 | Jake Rosholt | 1-2-0 UFC | #4700 | |
 | Jakob Nedoh | 3-2-0 REC | #3947 |  |
 | Jamahal Hill | 6-4-0, 1NC UFC | #129 | |
 | Jamelle Jones | 1-3-0 REC | #4508 | |
 | James Hammortree | 0-1-0 UFC | #6587 | |