FILE — Sugar Ray Leonard holds up the middleweight championship belt after defeating Marvin Hagler in a split decision to win the title in Las Vegas, Nev., April 6, 1987. A World Boxing Council championship belt belonging to former South African President Nelson Mandela has been stolen from a museum in Soweto. The belt was given to Mandela by American boxing legend Leonard during one of his visits to South Africa. (AP Photo/Lennox McLendon/File)