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.

Smokin' Joe Frazier recalls Muhammad Ali and how he felt about Ali's antics, smack-talking, and boxing. Muhammad Ali, born Cassius Clay, is a former three-time heavyweight champion American boxer. Ali craved the spotlight, and made boxing a "show business" that Frazier discusses.

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.

Former heavyweight champion of the world, boxer George Foreman, recalls what it was like to be knocked out by challenger Muhammad Ali on October 30, 1974. This event was the “Rumble in the Jungle,” held in what is now the Democratic Republic of the Congo, and many people have called this the greatest sporting event in the 20th century.