All these world champions have appeared on the undercards of a fighter in Vegas. Who is the fighter?
Adrien Broner
Danny Garcia
Danny Jacobs
Erislandy Lara
Mike Alvarado
Humberto Soto
Daniel Ponce De Leon
Jose Luis Castillo
Jeff Lacy
Richar Abril
Adrien Broner
Danny Garcia
Danny Jacobs
Erislandy Lara
Mike Alvarado
Humberto Soto
Daniel Ponce De Leon
Jose Luis Castillo
Jeff Lacy
Richar Abril
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