Manny Pacquiao of the Philippines celebrates after knocking out Ricky Hatton of England to win their Welterweight title fight at the MGM Grand Garden Arena on May 2, 2009 in Las Vegas. Pacquiao stopped Hatton in the second round to match a boxing record by taking a title in his sixth different weight class. AFP PHOTO/Mark RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)