Mauricio Ruffy headed to Las Vegas as official UFC 329 Holloway vs. McGregor back-up fighter

Mauricio Ruffy will serve as the official backup for UFC 329’s main event between Conor McGregor and Max Holloway. UFC 329 is less than a week away on July 11th with both McGregor and Holloway seemingly locked in and ready to fight. Ruffy, who was last seen beating the tar out of