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
Muhammad Ali vs. Jean-Pierre Coopman Muhammad Ali vs. Jean-Pierre Coopman Muhammad Ali and Jean-Pierre Coopman fought a boxing match on February 20, 1976.This was Ali's first boxing bout after Thrilla in Manila.Ali won the fight after knocking out Coopman in the fifth round. In an interview, Coopman denied claims that he had been drinking champagne before the fight, but confirmed that he had drunk some champagne during the fight to help him move faster and to feel euphoric. The bout took place in Puerto Rico at the Roberto Clemente Coliseum and was televised in the United States live on CBS in frony of 40 million