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Bill Parcells

'What If' moments that defined Super Bowl legacies

Imagine a world where the name Scott Norwood evokes awe in Buffalo, not "aww, dude."

A world where David Tyree is just another former NFL player with a two-sentence Wikipedia entry, not the guy who seemingly magnetized a ball to his helmet and helped spoil New England's shot at perfection.

A world where Marshawn Lynch gets to go full "Beast Mode" after getting the ball 3 feet away from giving the Seattle Seahawks back-to-back Super Bowl titles instead of serving as the world's most overqualified decoy on one of the more infamous calls in NFL history.

For five decades, Super Bowl legacies have been cemented or destroyed thanks to a sometimes fluky...