On This Day: Muhammad Ali Beats Sonny Liston To Become The Heavyweight Champion - February 25, 1964

Muhammad Ali is one of the greatest fighters in the history of boxing, and February 25, 1964 marked a crowing moment in Ali's legendary career.
Back then, Ali was still known as Cassius Clay, and at 22, he fought Sonny Liston for the heavyweight title at the Convention Hall in Miami.
Heading into the contest, Liston was highly favoured due to his brute strength and power. Ali, meanwhile, relied heavily on his speed and technique.
"I shook up the world!"
— Boxing News (@BoxingNewsED) February 25, 2025
Muhammad Ali, or Cassius Clay as he was then known, upset the feared Sonny Liston #OnThisDay in 1964. pic.twitter.com/4LpPULQTUb
Ali started the fight fast and eventually began frustrating Liston with his game plan. The reigning champion grew increasingly frustrated due to his inability to land power punches.
Then, in the seventh round, Liston failed to answer the bell due to a shoulder injury. As a result, Ali became the heavyweight champion of the world.
The pair had a rematch in 1965, with Ali earning a first round knockout win. The photo of Ali standing over a knocked out Liston is one of the most iconic images in the history of boxing.

It was also Ali's last fight under the official name Cassius Clay. He soon converted to Islam, changing his name to Muhammad Ali from that point on. After his win against Liston, Ali announced himself as the greatest during his in-ring interview.
I shook up the world! I’m the greatest! I’m the greatest!Muhammad Ali
Despite his back-to-back losses against Ali, Liston came back stronger. He won 15 of his last 16 fights before hanging up the gloves.

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Apratim is a Boxing and Soccer reporter for On SI. He has been in the industry for five years, having also worked for The Sporting News, Sportskeeda, EssentiallySports, and more. After coming from an engineering background, he started pursuing a career in sports media. Apratim also holds an MSc. Sport Marketing degree from Loughborough University London and is a keen practitioner of social media and digital marketing. In his spare time, Apratim likes to play an array of sports and practice calisthenics. He is also an avid enthusiast of improving his martial arts skills.