Papa John’s is giving away two million FREE pizzas during the pro football season already underway. The pizza chain is the, the Official Pizza Sponsor of the NFL. The free pizza offer is for one large pizza with one topping. You’ll be seeing ads and TV comercials for freebie, featuring Denver Broncos quarterback Peyton Manning, brother of Superbowl XLVI champion New York Giants quarterback Eli Manning. You have to register for the Papa Rewards online customer loyalty program for the chance to win one of 120,000 free pizzas a week. Last year Papa John’s gave away one million pizzas. This year, they are doubling down.