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

What is the biggest underdog to win a heavyweight title fight in boxing history? - Quora

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

Anthony Joshua vs Otto Wallin RECAP: Undercard results and JEFF POWELL'S round-by-round scores as AJ stops rival

Boxing News: UPSET: Zhang stops Joyce in six » February 22, 2024

Inside Ryan Garcia's doomed battle for boxing credibility - Los Angeles Times

Who Won Bonuses? UFC Bonuses: Every Single UFC Bonus in 2023

The 20 Biggest Upsets In Boxing History

IMMAF

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