Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| JN | Journey Newson | |
| JL | Jovan Leka | |
| JA | Juan Adams | "The Kraken" |
| JD | Juan Diaz | "Pegajoso" |
| JE | Juan Espino | "El Guapo" |
| JM | Juan Manuel Puig | "Fenix" |
| JR | Juancamilo Ronderos | "100" |
| JB |
| JA | Julia Avila | "Raging Panda" |
| JP | Julia Polastri | "Psycho" |