UFC's Biggest Upsets

One of the beautiful things about MMA is the tried and true notion that there's no such thing as a guaranteed win. Regardless of how big a favorite one competitor may be over another, in the end a well-placed punch or slick submission attempt can end the evening of a champion as easily as it might a fighter making his/her pro debut.

For evidence of such, click this link to check out ten of the biggest upsets in UFC history...

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