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LAS VEGAS, : Two-time world champion Marco Antonio Barrera from Mexico (R) throws a right, forcing three-time world champion Prince Naseem Hamed of England back in the 12th round at the MGM Grand Casino in Las Vegas 07 April, 2001. Barrera won the IBO Featherweight belt in a 12-round unanimous decision against Hamed. AFP PHOTO John GURZINSKI/mn (Photo credit should read JOHN GURZINSKI/AFP via Getty Images)

LAS VEGAS, :  Two-time world champion Marco Antonio Barrera from Mexico (R) throws a right, forcing three-time world champion Prince Naseem Hamed of England back in the 12th round at the MGM Grand Casino in Las Vegas 07 April, 2001. Barrera won the IBO Featherweight belt in a 12-round unanimous decision against Hamed.    AFP PHOTO     John GURZINSKI/mn (Photo credit should read JOHN GURZINSKI/AFP via Getty Images)