A star-studded crowd gathered in Las Vegas at the MGM Grand Garden Arena to witness the welterweight showdown between superstar master boxer Floyd "Money" Mayweather, Jr., 41-0 (25), and "Sugar" Shane Mosley, 46-6 (39) with one no-contest. Though many picked Floyd to win by decision (Mayweather was a 4-1 betting favorite), no one could have foreseen how complete the win would be. Mayweather was tested early, but came right back and, round after round, he put Mosley through a master class of boxing,