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
Richard Dunn (boxer) Richard Dunn (boxer) Richard Dunn (born 19 January 1945 in Halifax) Is an English former heavyweight boxer, who fought Muhammad Ali for the world heavyweight title in 1976. Dunn was defeated by many top boxers of the time, losing to Muhammad Ali, Joe Bugner, Jimmy Young and Kallie Knoetze. However, he did defeat some professional fighters such as Johnny Griffin, Neville Meade, Bunny Johnson and Danny McAlinden. A southpaw, Dunn's professional career began with a win over Cardiff fighter Del Phillips in a heavyweight eliminator competition in Mayfair, London in July 1969. His second fight was on the same day