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
Jim Robinson (boxer) Ali collector Stephen Singer has spent a number of years searching for Robinson, collecting autographs of 49 of Ali's 50 opponents, with Robinson being the lone omission. Jim Robinson (boxer) Jim Robinson (born 1925), known as "Sweet Jimmy", is a retired American boxer from Miami. Robinson fought Muhammad Ali in Miami Beach on February 7, 1961 as a last-minute replacement for Willie Gullatt. Robinson became Ali's fourth professional opponent. His whereabouts and status are currently unknown. Originally from Kansas City, Missouri, Robinson was a middleweight boxer who fought up to heavyweight. He was managed by Clyde Killens, a local pool