Boxer Muhammad Ali, formerly known as Cassius Clay, describes where the Clay name came from and he explains how he first got into boxing. This interview happens on February 9, 1960, 4 years before he changed his name to Muhammad Ali.

Boxer Muhammad Ali, formerly known as Cassius Clay, describes why he changed his name to Ali and explains how he reacts when someone uses the wrong name when they speak to him. Ali changed his name in 1964 at the direction of his religious leader, Elijah Muhammad.

Muhammad Ali, formally known as Cassius Clay, shares his reaction to the fight with Sonny Liston on February 25, 1964 in this post fight interview. He famously declares, 'I must be the greatest' and poetically jokes how he beat Liston in seven rounds. Liston and Ali had a rematch on in May 1965 and though Ali was declared the winner it remains one of the most controversial fights in boxing history.

During the halftime of Monday Night Football on November 4, 1974, announcer Howard Cosell interviews Muhammad Ali, just five days after Ali defeats heavyweight champion George Foreman. Cosell had predicted a Foreman victory but calls Ali the “greatest in the world.” Find out if Ali changes his mind about retirement; how the Foreman fight differed from the Joe Frazier fight of March 8, 1971; and much more.