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
The Super Fight second round to Jim Jeffries, a boxer Ali had previously called "history's clumsiest, most slow-footed heavyweight." The lawsuit was settled when Woroner offered to pay Ali $10,000 whilst also getting his agreement to participate in a filmed version of a fantasy fight in which he would fight Marciano. Ali and Marciano agreed on the condition that they would also receive a cut of the film's profits. Marciano, whose last fight before retiring undefeated at 49–0 was 14 years prior, also agreed to participate with a similar deal. In preparation for the film, Rocky lost over and wore a toupee in