Widely regarded as one of the greatest boxers of all time, Muhammad Ali was a major figure of the 20th century. He was an inspirational figure for African-Americans during the civil rights movement. Because of his opposition to Vietnam War and his refusal to be drafted into military, Muhammad Ali became an icon for the larger counterculture generation.
Known to his fans as "Big George,” boxer George Foreman won the world heavyweight champion twice and also gas an Olympic gold medal to his credit. Multidimensional in his pursuits, the international boxing hall-of-famer has also been a Christian minister, invented a fat-reducing grill, and written several books, including cookbooks.
Sugar Ray Leonard is a former boxer and motivational speaker. Having won world titles in five different weight divisions during his boxing career, Leonard is widely considered one of the greatest boxers ever. Leonard was part of a group of boxers dubbed The Fabulous Four, which is credited with popularizing the lower weight classes in the post-Muhammad Ali era.
10 Joe Frazier
11 Larry Holmes
Sugar Ray Robinson was an American boxer. Considered one of the greatest boxers ever, Robinson held a 91-fight unbeaten streak from 1943 to 1951, the third-longest in the history of professional boxing. Also known for his flamboyant and classy lifestyle outside the ring, Sugar Ray Robinson unsuccessfully tried his hand at a career as an entertainer after retiring from boxing.
14 Rubin Carter
Rubin Carter was an American-Canadian boxer whose boxing career was overshadowed by his murder conviction; after serving almost 20 years of prison term, it was revealed that he was wrongfully convicted of murder. His autobiography, The Sixteenth Round, which he had written during his time in prison, inspired the 1999 film, The Hurricane, where Denzel Washington played Rubin Carter.
15 Joe Louis
16 Shawn Porter
Jack Johnson was an American boxer and one of the most dominant champions of his generation. Considered one of the most influential boxers ever, Jack Johnson became the first African American to win the world heavyweight championship at the peak of the Jim Crow era. He is often credited with influencing popular boxers like Muhammad Ali.