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

UFC 293: Sean Strickland stuns Israel Adesanya in one of the biggest upsets of all time

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

Bellator 192: Aaron Pico makes fighting and winning his life – Daily Bulletin

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

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

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

UFC 293: Sean Strickland stuns Israel Adesanya in one of the biggest upsets of all time

Waterford boss Keith Long knows difference between his side and Cork City is vast but enjoys underdog title

Shining on 'ShoBox': Steen wins battle of undefeated fighters during main event

The 20 Biggest Upsets In Boxing History

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

The 20 Biggest Upsets In Boxing History

Shining on 'ShoBox': Steen wins battle of undefeated fighters during main event

Countdown to UFC 200: Greatest upsets

Haney vs Lomachenko LIVE! Boxing result, fight stream, latest updates and reaction to undisputed thriller