Underdog stuns unbeaten favourite with amazing one-punch KO to record huge upset and become unexpected world champion

What are some of the most unexpected results in professional boxing matches? - Quora

Biggest Upsets in Sporting History

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Recap: Joseph Parker scores sensational upset win over Deontay Wilder

Underdog stuns unbeaten favourite with amazing one-punch KO to record huge upset and become unexpected world champion

Legendary underdog Buster Douglas on the price of his shock KO of, buster douglas

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Joe Louis - Wikipedia

Underdog stuns unbeaten favourite with amazing one-punch KO to record huge upset and become unexpected world champion

Who was the biggest fighter Ali KO'd/TKO'd? - Quora

What are some of the most unexpected results in professional boxing matches? - Quora

Legendary underdog Buster Douglas on the price of his shock KO of, buster douglas

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