In his first ever fight which took place in 1954 he won by a split decision. Following this, he won the 1956 Golden Gloves tournament for novices in the light heavyweight class.
In 1959, he won the National Golden Gloves Tournament of Champions, as well as the Amateur Athletic Union's national title for the light-heavyweight division.
His outstanding achievements in his amateur years won him a seat in the US Olympic boxing team in 1960. He won the first three bouts to face Zbigniew Pietrzkowski from Poland. Crushing the latter, he earned his first gold at the event. The Olympic win garnered him a ‘hero’ status.
His heroic wins, majority of which were through knockouts, made him the top contender for Sunny Liston’s title. As such, a fight was scheduled between the two in February 1964 in Miami.
While Liston was the reigning champion, Clay seemed to be the underdog at the event, more so because his last fights against Jones and Cooper displayed lack of skills.
Even before the fight began, the two turned the pre-fight weigh-in into a circus, demeaning and defaming each other, an incident which was the first-of-its-kind in the history of boxing. Enraged by the disparaging comments, Liston looked over for a quick knockout but lost the match in the sixth round
Defeating Liston, he became the then youngest boxer to assume the title from a reigning heavyweight champion. Meanwhile, in 1964, he changed his name from Cassius Marcellus Clay to Muhammad Ali, converting to Islam.
Following the conversion, a rematch was arranged between Ali and Liston. However, the second match bore the same result as the first one, except for the fact that it lasted for just about two minutes.
His second title defence was against Floyd Patterson, who twice lost to Liston in first round knockouts. The match continued for 12 rounds post which he was declared the winner.
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In the following years, he won a match each against George Chuvalo, Henry Cooper, Brian London and Karl Mildenberger. His match against Cleveland Williams in the Houston Astrodome received much limelight, which he won convincingly in the third round TKO.
In 1967, he stood against Terrell, who was the unbeaten heavyweight champion for five years. The fight prolonged for fifteen rounds, in which both the players displayed tremendous skill and prowess. Ali however won the fight in a unanimous decision.
Ali was stripped of his title as he refused to render his services to the army in the Vietnam War. Not only was his boxing license suspended he was sentenced to three and a half years in prison along with a fine.
After his period of exile, he made a comeback with a fight against Jerry Quarry on October 26, 1970.
He was chosen as the top contender against heavyweight champion Joe Frazier. Nicknamed the Fight of the Century, it created a stir as two undefeated opponents were against each other. The fight took place on March 8, 1971. Though the initial rounds were neck to neck, in the latter Frazier took an advantageous lead and eventually won the contest. This was Ali’s first ever loss since his professional debut.
In 1973, Ali lost the second fight of his career to Ken Norton, who broke his jaw. In their second bout Ali, won a controversial decision against Norton, thereby earning the right to fight against Joe Frazier, who had recently lost his title to George Foreman.
Ali-Frazier rematch took place on January 28, 1974, and Ali won the bout.
Frazier’s defeat led to a title fight between Ali and heavyweight champion George Foreman. The bout took place on October 30, 1974 and Ali was considered an underdog. However, the result of the match turned in the latter’s favor as Foreman failed to make it to the count at the end of the eighth round.
Year 1975 witnessed one of the toughest fights as Ali fought against Frazier in a match that was titled ‘Thrilla in Manila’. Lasting for 14 rounds, the former was declared the winner.
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Post the fight against Frazier, Ali’s career graph observed a decline as he was defeated by Leon Spinks and knocked out by Larry Holmes. After losing his heavyweight title to Trevor Berbick, he retired from boxing in 1979.
Personal Life & Legacy
Ali married four times in his lifetime. His partners were Sonji Roi, Belinda Boyd, Veronica Porsche and Yolanda. Overall, he had seven daughters and two sons from his alliances.
He was diagnosed with Parkinson's disease in 1984. The disease was mainly a result of the head injuries he received during boxing.
He died of respiratory complications on June 3, 2016, in Scottsdale, Arizona, U.S, at the age of 74.