THE STORY
On April 7, 2007, at UFC 69 in Houston, Texas, Matt Serra defeated Georges St-Pierre by first-round TKO at 3:25, capturing the UFC Welterweight Championship. Serra, a 7-1 underdog, knocked St-Pierre down twice before the referee stopped the fight. (ufc.com)
TEAMS / PEOPLE:
Georges St-Pierre, Matt Serra
WHY IT MATTERS
This unexpected victory is considered one of the biggest upsets in MMA history, highlighting the unpredictability of the sport.