Friday’s weigh-in for Mayweather-Marquez, at the MGM Grand Garden Arena in Las Vegas, is open to the public. Fighters will step on the scale beginning at 2:30 p.m. PT. Doors to the arena open at 1 p.m. PPV undercard fighters weigh-in at 2:30 with Floyd Mayweather, Jr. and Juan Manuel Marquez weighing in at 3:10. Remaining undercard fighters will be weighed following the main event. Comedian D. L. Hughley and radio personality Piolin will emcee the weigh-in.