Poids Légers Hommes
 | Johnny Case | 4-2-0 UFC | #2182 |  |
 | Jordan Rinaldi | 2-3-0 UFC | #3478 | |
 | Jordan Vucenic | 0-2-0 UFC | #1000 |  |
 | Jorge de Oliveira | 0-2-0 UFC | #4651 |  |
 | Jorge Gurgel | 3-4-0 UFC | #2787 | |
 | Jorge Patino | 0-1-0 UFC | #4124 | |
 | Josh Shockley | 0-2-0 UFC | #5320 | |
 | Josh Thomson | 3-4-0 UFC | #2358 | |
 | Justin Buchholz | 1-4-0 UFC | #3612 | |
 | Justin Gaethje | 10-5-0 UFC | #19 | |
 | Justin James | 0-1-0 UFC | #6630 | |
 | Justin Jaynes | 1-4-0 UFC | #2668 | |
 | Justin Salas | 3-4-0 UFC | #2752 | |
 | Kajan Johnson | 4-3-0 UFC | #1994 |  |
 | Kamal Shalorus | 0-3-0 UFC | #2425 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3649 | |
 | Katsunori Kikuno | 2-3-0 UFC | #3103 |  |
 | Kaue Fernandes | 3-1-0 UFC | #859 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3773 | |
 | Kazuki Tokudome | 1-3-0 UFC | #3697 | |