Sugar Ray Robinson finished his 1957 bout with Gene Fullmer with what he called the most perfect punch of his career.

In this 1961 bout Cassius Clay commonly known as Muhammad Ali faced an opponent who was supposed to be an easy win in Alonzo Johnson. The fight did not go quite as expected because Johnson was not the punching bag many expected in this fight.

Boxing legend Muhammad Ali battles tough Canadian George Chuvalo at Maple Leaf Gardens in 1966

Muhammad Ali was unlike any other and his popularity went well beyond the sport of boxing. Ali passed away in June 2016 at the age of 74 and will be missed by many around the world. A look back at his fight against Zora Folley in 1967.

Muhammad Ali was unlike any other and his popularity went well beyond the sport of boxing. Here is a look back at his 1974 fight against George Foreman in Kinshasa, Zaire.

Muhammad Ali was unlike any other and his popularity went well beyond the sport of boxing. Here is a look back at his famous third fight against Joe Frazier in 1975.