Win free pizza just for watching the Super Bowl. But watch closely. DiGiorno is giving away 15-hundred pizzas only if Sunday’s score hits 3-to-14 or 14-to-3. Once the scoreboard shows either of those, fans can click a link to win a coupon. Wait too long and the link disappears. This is all to honor Pi [[ pie ]] Day – as in the mathematical Pi — on March 14th. That’s when the free pizza can be claimed. Here’s the complete story from PR Newswire.