Watch MAYWEATHER vs MARQUEZ Live Stream Boxing Video

Watch Floyd MAYWEATHER Jr. vs Juan Manuel MARQUEZ Live! The highly anticipated 12-round welterweight showdown between Floyd Mayweather and Juan Manuel Marquez is on for September 19, the rescheduled date for his 12-round welterweight showdown at the MGM Grand in Las Vegas.

Mayweather vs. Marquez: "Number One/Numero Uno," which will be televised live on HBO Pay-Per-View, will now take place on what on what is historically considered boxing's biggest weekend, and falling on the time-honored tradition of Mexican Independence Day.