Watch Mayweather VS Marquez FREE Live Stream this upcoming September 19, 2009 at MGM Grand in Las Vegas. Dubbed as "Number One/Numero Uno" - two of the best boxers in the world will come face to face for a 12-round welterweight showdown to determine who's the best boxer among the two.

Marquez VS Mayweather fight will be telecast live via HBO PayperView. I know that a lot of sports and boxing fanatics are too excited for this undisputed boxing match of the year.

Who's your bet?

More: CLICK HERE TO WATCH MAYWEATHER VS MARQUEZ FREE LIVE STREAM ONLINE!!!