MGM Resorts International's (MGM) leading sports betting and the iGaming brand, BetMGM, expanded its mobile sports betting service throughout Washington, D.C. This move allows sports fans across the district to use the BetMGM app and earn rewards from MGM Resorts and Marriott Bonvoy.The strategic expansion follows the D.C. Council's approval of its fiscal 2025 budget, which includes opening the digital sports betting market. MGM retains exclusivity around Nationals Park, operating the BetMGM Sportsbook thro ...