Phoenix Coyotes' defenseman Adrian Aucoin, center, raises his arms to celebrate a goal against Anaheim Ducks' goalie Jonas Hiller, right, during a game in Anaheim, California on December 19, 2009. // Sports' greatest underdog stories(The Canadian Press-Mark Samala)

Phoenix Coyotes' defenseman Adrian Aucoin, center, raises his arms to celebrate a goal against Anaheim Ducks' goalie Jonas Hiller, right, during a game in Anaheim, California on December 19, 2009.

There's something about cheering for the little guy that makes sports fun. Whether it's a Cinderella team that defies expectations or reverses years of losing, or an athlete who overcomes injuries, we all like rooting for the underdog. With the NHL playoffs set to begin, there may be no bigger underdog than the Phoenix Coyotes, a team in turmoil as the season began, now among the best in the West. But sports history is full of great surprise stories. Here's a look at some of the most memorable.