Poids Légers Hommes
 | Johnny Case | 4-2-0 UFC | #2379 |  |
 | Jordan Rinaldi | 2-3-0 UFC | #3711 | |
 | Jordan Vucenic | 0-2-0 UFC | #566 |  |
 | Jorge de Oliveira | 0-2-0 UFC | #4943 |  |
 | Jorge Gurgel | 3-4-0 UFC | #3090 | |
 | Jorge Patino | 0-1-0 UFC | #4352 | |
 | Josh Shockley | 0-2-0 UFC | #5407 | |
 | Josh Thomson | 3-4-0 UFC | #2492 | |
 | Justin Buchholz | 1-4-0 UFC | #3908 | |
 | Justin Gaethje | 11-5-0 UFC | #1 | |
 | Justin James | 0-1-0 UFC | #7032 | |
 | Justin Jaynes | 1-4-0 UFC | #2951 | |
 | Justin Salas | 3-4-0 UFC | #3059 | |
 | Kajan Johnson | 4-3-0 UFC | #2045 |  |
 | Kamal Shalorus | 0-3-0 UFC | #2675 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3874 | |
 | Katsunori Kikuno | 2-3-0 UFC | #3399 |  |
 | Kaue Fernandes | 3-1-0 UFC | #1171 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3919 | |
 | Kazuki Tokudome | 1-3-0 UFC | #3955 | |