From an email:
“BetMGM will officially launch across the District of Columbia on July 15 at noon. Previously only accessible at Nationals Park, sports fans District-wide will have access to
the BetMGM mobile app’s state-of-the-art sports wagering experiences plus related rewards tied to Marriott Bonvoy and MGM Resorts’ properties nationwide including MGM National Harbor. BetMGM will celebrate on July 15 at its destination sportsbook at Nationals Park in true Washington, D.C. form, with performances from a local go-go band, executive interview availability and more.”