The undefeated American had been given another chance after serving a six-month suspension under the WBA for failing multiple drugs tests ahead of his world title showdown with Anthony Joshua last year, only for his comeback fight against Jerry Forrest in July to be cancelled due to another positive test for a banned substance.
Browsing: Nevada State Athletic Commission
Alvarez was temporarily suspended by the NSAC after testing positive for banned substance clenbuterol in February, and withdrew from his rematch against world middleweight champion Gennady Golovkin, which was scheduled for May 5.
McGregor (21-3) has been suspended from competition through October 26 and is to refrain from “contact” until October 11.
Millions are expected to tune in around the world as the Irishman takes on undefeated Mayweather in a boxing ring at the T-Mobile Arena.