Muhammad Ali 21 during an elimination bout following Rocky Marciano's retirement. Mike Tyson broke both records in 1986 when he defeated Trevor Berbick to win the heavyweight title at age 20. Soon after the Liston fight, Clay changed his name to Cassius X, and then later to Muhammad Ali upon converting to Islam and affiliating with the Nation of Islam. Ali then faced a rematch with Liston scheduled for May 1965 in Lewiston, Maine. It had been scheduled for Boston the previous November, but was postponed for six months due to Ali's emergency surgery for a hernia three days before. The fight
Jabir Herbert Muhammad Group, until Ali's retirement in 1981. Muhammad negotiated the first multimillion-dollar earnings for any athlete, starting with the $2.5M Ali earned for the Frazier vs Ali “Fight of the Century” in March, 1971 and including the $5.5M purse Ali achieved for the Foreman vs Ali “Rumble in the Jungle” in Zaire in 1974. Muhammad was considered one of the most powerful figures in boxing in the 1960s and 1970s, achieving the International Boxing Hall of Fame's 1974 "Manager of the Year" award. He continued to manage Ali's career for another ten years after his retirement from boxing. Muhammad then went