#TBT: That Time Mario Sprinted in His Underwear Because He Lost a Bet!

We're throwing it back to a very timely video today! Mario sprinting in his underwear after losing a Superbowl bet back in 2013. The bet was if the 49ers lost to the Ravens in the big game, Mario would have to streak The Grove in his underwear and a Ravens helmet. Here are the results:



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