Underdog Fantasy Promo Code FOXSPORTS: Keep Your Million Promotion Live for NFL Sunday

This page may contain affiliate links to legal sports betting partners. If you sign up or place a wager, FOX Sports may be compensated. Read more about Sports Betting on FOX Sports. The first full Sunday of the NFL season is finally here, bringing a full slate of football and some of the league’s biggest stars back to the field. Underdog Fantasy is giving fans another way to follow every game in Week 1. Use promo code FOXSPORTS to unlock Underdog’s Keep Your Million promo and a 50% first-time deposit match worth up to $1,000 in bonus funds. Keep Your Million puts a virtual $1 million pot in your hands and challenges you to make ‘Higher’ or ‘Lower’ picks tied to NFL games and players. Pick your side, allocate your virtual bankroll and lock in your prediction before the game begins. Get it right and the amount remaining on the winning side carries over to the next question, with as many as 20 questions standing between you and a potential cash-out. With Allen and the Bills, Jackson and the Ravens, Hurts and Barkley leading the Eagles, and Daniels and the Commanders among the teams in action, there are plenty of stars to watch and predictions to make throughout Sunday. Keep Your Million gives fans a chance to test their football knowledge while following the stars who make Sundays must-watch television. Use promo code FOXSPORTS on Underdog to unlock a 50% first-time deposit match worth up to $1,000 in bonus funds and get in on Keep Your Million for NFL Sunday. How to Sign Up and Claim the Underdog Promo Code Sunday, Sept. 13 Monday, Sept. 14​Underdog Fantasy Promo Code FOXSPORTS: Keep Your Million Promotion Live for NFL Sunday.