Poids Légers Hommes
 | Johnny Case | 4-2-0 UFC | #398 |  |
 | Jordan Rinaldi | 2-3-0 UFC | #3746 | |
 | Jordan Vucenic | 0-2-0 UFC | #269 |  |
 | Jorge de Oliveira | 0-2-0 UFC | #4941 |  |
 | Jorge Gurgel | 3-4-0 UFC | #3171 | |
 | Jorge Patino | 0-1-0 UFC | #4426 | |
 | Josh Shockley | 0-2-0 UFC | #5358 | |
 | Josh Thomson | 3-4-0 UFC | #2509 | |
 | Justin Buchholz | 1-4-0 UFC | #3997 | |
 | Justin Gaethje | 11-5-0 UFC | #7 | |
 | Justin James | 0-1-0 UFC | #7068 | |
 | Justin Jaynes | 1-4-0 UFC | #3054 | |
 | Justin Salas | 3-4-0 UFC | #3142 | |
 | Kajan Johnson | 4-3-0 UFC | #2081 |  |
 | Kamal Shalorus | 0-3-0 UFC | #2707 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3940 | |
 | Katsunori Kikuno | 2-3-0 UFC | #3467 |  |
 | Kaue Fernandes | 3-1-0 UFC | #1042 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #4004 | |
 | Kazuki Tokudome | 1-3-0 UFC | #3991 | |