 BetMGM invites you to step up to the plate at the BetMGM Sportsbook at Nationals Park. Discover why BetMGM is the king of sportsbooks and enjoy daily and game day specials while you place parlays, props, and future bets on all your favorite sports. The BetMGM Sportsbook is located near the center field entrance of Nationals Park. So grab your crew and enjoy all the sports action you can handle every day from 11 a.m. to 10 p.m. Must be 21 or older. Washington, D.C. only. Please gamble responsibly. Gambling problem? Call 1-800-GAMBLER.