Underdog Promo Code FOXSPORTS: Play $5, Get $100 on 49ers vs. Commanders, Guardians vs. Rays ALCS Showdown

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. Monday brings a double dose of postseason and primetime action and Underdog has you covered, with the Tampa Bay Rays looking to clinch a spot in the World Series and the San Francisco 49ers aiming to stay undefeated on Monday Night Football. New users can use the promo code FOXSPORTS to play $10 and get $50 in bonus entries, giving fans a chance to get involved with the day's biggest matchups. The Rays have a 3-2 lead over the Cleveland Guardians after taking Game 5 by a 3-1 score. Drew Rasmussen delivered seven strong innings, allowing just one run as Tampa Bay moved within one win of the World Series. Meanwhile, the 49ers bring a perfect 5-0 record into their matchup with the Washington Commanders, who are looking to bounce back from a frustrating overtime tie against the New York Giants. Brock Purdy and San Francisco will try to extend their winning streak, while Washington looks to pull off a road upset. Ready to get in on the action? New users can enter Underdog's promo code FOXSPORTS, play $10 and get $50 in bonus entries to use on eligible contests while following  these two showdowns. How to Sign Up and Claim the Underdog Promo Code How To Watch Rays vs. Guardians Game 6 How to Watch 49ers vs. Commanders