Watch Mayweather vs Marquez live fighter weigh-in

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Everyone is already excited on Mayweather vs Marquez fight on September 19 and everyone has already their own choice of who's going to win. But before we all get excited on the fight lets all first proceed to MGM Grand Garden Arena, located at 3799 Las Vegas Blvd. South tomorrow, September 18 for the fighter weigh-in. Weigh-ins are often open to the public, doors will open at 1:00pm PT, and undercard fighters will start weighing in at 2:30pm. You should know the importance of the weigh-in if you've been to a big fight in Las Vegas.