Georges St-Pierre vs. Matt Serra full fight video

Matt Serra completed one of the most stunning upsets in MMA history at UFC 69, where he met then-champion Georges St-Pierre in the evening's main event.

While St-Pierre would later get revenge – and his title back – at UFC 83 in 2008, April 7, 2007, belonged to Serra and his powerful fists.

Watch the full video above to see how the upset transpired.