8 Insanely Tough Displays of Athlete Perseverance

Watch eight of the toughest athletic performances of all time, courtesy of STACK.com.

Gregory Campbell: Played Hockey on a Broken Leg

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During Game 3 of the 2013 NHL Eastern Conference Final, the Pittsburgh Penguins sought to take advantage of a power play. Penguin Evgeni Malkin took a slap shot that was blocked by Bruins Center Gregory Campbell. When Campbell got back on his feet, it was clear he was in pain. He stayed on the ice for a minute to kill the Penguins' power play, then skated to his bench on one leg. Along the way, he received a standing ovation from the Boston fans. X-rays later revealed that the blocked shot broke Campbell's right fibula. Sadly, he's out for the rest of season while his teammates play in the Stanley Cup Final.

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