Sports and YouTube are a match made in heaven. Here above are the 10 most popular sports videos of 2013, according to -- you guessed it -- YouTube.
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From a young cancer patient's inspiring touchdown run, to some incredible trick shots and multiple Harlem Shakes, relive the year that was with the Internet's most viral sports videos.
And, if that's not enough, YouTube's funniest sports fails are always worth a repeat viewing:
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