Image courtesy dewo via creative commons license
It’s overtime in a NFL football game. Your opponent is pinned all the way down to their one-yard line. Your defense goes in and sacks the quarterback! Safety! Two points! Your team wins!
How many times has this happened in NFL history? A safety in overtime. If you are able to answer this question please leave your answer in the comments, and I will give you a high-five. (If you answer, please give your source. Otherwise, I will welcome guesses, but please state that you are guessing).