Jean-Paul LebosnoyaniMufasa
Welterweight11-2-0Fighters
Jean-Paul LebosnoyaniMufasaWelterweight11-2-0
JeongYeong LeeKorean Tiger
Featherweight11-3-0
Jessin AyariAbacus
Welterweight18-6-0
Jim MillerA-10Lightweight39-19-0, 1 NC
Jindřich Janečka
Welterweight7-0-0
Jiří ProcházkaLight heavyweight32-6-1
Joaquin BuckleyNew MansaWelterweight21-9-0
Joe PyferBodybagzMiddleweight16-3-0
Jonatan Kujawa
Featherweight5-3-0
Jonny ParsonsThe SluggernautWelterweight9-3-0
Jose Delano
Featherweight17-3-0
Joseph KropschotMiddleweight9-3-0
Josh HokitHeavyweight10-0-0
Joshua OxendinePeacher ManBantamweight1-1-0
José SouzaCanelaWelterweight9-1-0
Julian ErosaJuicy JFeatherweight31-14-0
Junior TafaThe Juggernaut
Light heavyweight7-6-0
Juris Zundovskis
Light heavyweight6-8-0
Justin DetzelMiddleweight3-0-0
Justin StreetThe NightmareBantamweight4-3-0
Kacper CholewaLightweight3-1-0
Kacper FrątczakThe Polish RobocopMiddleweight3-0-0
Kacper PaczóskiHeavyweight4-0-0
Kamil KorzeniowskiBantamweight6-6-1