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US American heavyweight World Champion boxer Muhammad Ali (L) defends his title against European Champion Karl Mildenberger in Frankfurt, on 10 September 1966. | usage worldwide Stock Photo - Alamy
![American world champion heavyweight boxer Muhammad Ali, formerly known as Cassius Clay, pictured at the Odeon Cinema in Leicester Square during the weigh in for his heavyweight title fight against British challenger American world champion heavyweight boxer Muhammad Ali, formerly known as Cassius Clay, pictured at the Odeon Cinema in Leicester Square during the weigh in for his heavyweight title fight against British challenger](https://c8.alamy.com/comp/M96B4T/american-world-champion-heavyweight-boxer-muhammad-ali-formerly-known-as-cassius-clay-pictured-at-the-odeon-cinema-in-leicester-square-during-the-weigh-in-for-his-heavyweight-title-fight-against-british-challenger-henry-cooper-left-of-ali-at-highbury-stadium-north-london-ali-won-the-bout-in-the-sixth-round-when-the-referee-had-to-stop-the-fight-due-to-a-deep-gash-opening-above-coopers-left-eye-23rd-may-1966-M96B4T.jpg)
American world champion heavyweight boxer Muhammad Ali, formerly known as Cassius Clay, pictured at the Odeon Cinema in Leicester Square during the weigh in for his heavyweight title fight against British challenger
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Image of Fight Between The American Boxer Max Baer And The Italian Boxer Primo Carnera, After Which Max Baer Became World Heavyweight Champion, At The Madison Square Garden Of New York, June
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Photos: Riddle and Dream play a game of one-upsmanship in thrilling championship fight | Nxt takeover, American, North american
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![Boxing . Dave Charnley , the British and European lightweight champion beat coloured American J D Ellis when the fight was stopped in the 6th round , at the Royal Albert Hall , Boxing . Dave Charnley , the British and European lightweight champion beat coloured American J D Ellis when the fight was stopped in the 6th round , at the Royal Albert Hall ,](https://c8.alamy.com/comp/2GJ1FWR/boxing-dave-charnley-the-british-and-european-lightweight-champion-beat-coloured-american-j-d-ellis-when-the-fight-was-stopped-in-the-6th-round-at-the-royal-albert-hall-london-charnley-ducks-away-from-a-right-by-ellis-12th-december-1962-2GJ1FWR.jpg)
Boxing . Dave Charnley , the British and European lightweight champion beat coloured American J D Ellis when the fight was stopped in the 6th round , at the Royal Albert Hall ,
![World heavyweight title fight between American champion Cassius Clay and British challenger Henry Cooper at Highbury Stadium, North London. Clay won in the sixth round when the referee had to stop the World heavyweight title fight between American champion Cassius Clay and British challenger Henry Cooper at Highbury Stadium, North London. Clay won in the sixth round when the referee had to stop the](https://c8.alamy.com/comp/M96B9F/world-heavyweight-title-fight-between-american-champion-cassius-clay-and-british-challenger-henry-cooper-at-highbury-stadium-north-london-clay-won-in-the-sixth-round-when-the-referee-had-to-stop-the-fight-due-to-a-deep-gash-opening-above-coopers-left-eye-picture-ali-left-and-cooper-right-after-the-fight-21st-may-1966-M96B9F.jpg)