sustained by Mayweather. The bout was rescheduled and held on September 19, 2009. During the official weigh in, Márquez weighed in at 142 lbs and Mayweather weighed in at 146 lbs, thereby incurring a financial penalty as he was 2 pounds over the catchweight. It was later discovered that both parties had agreed just before the weigh-in to allow Mayweather fight over the catchweight with Mayweather paying additional $600,000 due to arriving two pounds over the 144 lbs weight limit. Mayweather controlled the action in the fight. Márquez struggled to conquer Mayweather's defense and could not get out of the way of his counter punches. Márquez landed only 19% of his punches according to Compubox punch stats. Mayweather knocked Márquez down in the 2nd round. Mayweather won the fight by unanimous decision. This was the fifth non-heavyweight fight in boxing history to sell more than one million pay-per-views, with the official HBO numbers totaling about $52 million. It was also the first fight to sell more than one million PPVs without featuring Oscar De La Hoya. Two months later, Manny Pacquiao vs. Miguel Cotto would sell 1.25 million PPVs. Return to Lightweight Márquez vs. Diaz II When asked upon his return to the lightweight division, Márquez said: "I came back to lightweight because at welterweight I lost a lot of speed." Márquez then began negotiations for a rematch with Juan Díaz. Golden Boy CEO Richard Schaefer said the fight for Márquez's title was being planned for July 10 as the main event of an HBO PPV card. He said it would "probably" take place at the MGM Grand in Las Vegas. After his comeback in 2010, fellow Mexican boxer Erik Morales said he would like to fight Márquez. Morales returned two divisions higher in 2010, as a welterweight. However, Márquez has also stated that he would be interested in a fight with Ricky Hatton. The Márquez-Díaz rematch took place on July 31, 2010, at the Mandalay Bay. Márquez's titles were also at stake. Prior to the bout, the WBO ordered the Márquez-Díaz winner to fight mandatory challenger Michael Katsidis. Márquez won the fight via unanimous decision by the official scores of 117–111, 116–112 and 118–110. After the Díaz rematch, Márquez stated that he was interested in pursuing a third fight with Manny Pacquiao. There was also a possibility of him moving up to light welterweight to face any of the