Unbelievable Wins: 15 Underdog Triumphs That Shocked the Sports World

The Boston Red Sox Break the Curse (2004)

In 2004, the Boston Red Sox won the World Series for the first time in 86 years, breaking the "Curse of the Bambino." They had to overcome a 3-0 deficit in the American League Championship Series against the New York Yankees, making their victory all the more remarkable.