Poids Légers Hommes
 | Johnny Case | 4-2-0 UFC | #2273 |  |
 | Jordan Rinaldi | 2-3-0 UFC | #3658 | |
 | Jordan Vucenic | 0-2-0 UFC | #359 |  |
 | Jorge de Oliveira | 0-2-0 UFC | #4798 |  |
 | Jorge Gurgel | 3-4-0 UFC | #2931 | |
 | Jorge Patino | 0-1-0 UFC | #4212 | |
 | Josh Shockley | 0-2-0 UFC | #5379 | |
 | Josh Thomson | 3-4-0 UFC | #2480 | |
 | Justin Buchholz | 1-4-0 UFC | #3786 | |
 | Justin Gaethje | 10-5-0 UFC | #27 | |
 | Justin James | 0-1-0 UFC | #6780 | |
 | Justin Jaynes | 1-4-0 UFC | #2791 | |
 | Justin Salas | 3-4-0 UFC | #2882 | |
 | Kajan Johnson | 4-3-0 UFC | #2032 |  |
 | Kamal Shalorus | 0-3-0 UFC | #2579 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3690 | |
 | Katsunori Kikuno | 2-3-0 UFC | #3250 |  |
 | Kaue Fernandes | 3-1-0 UFC | #1008 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3830 | |
 | Kazuki Tokudome | 1-3-0 UFC | #3817 | |