 CHICAGO PORTSMOUTH, Va.--BUSINESS WIRE--Rush Street Interactive, Inc. NYSE: RSI RSI, one of the most trusted and fastest-growing online casino and sports betting companies in the United States, today announced the launch of its flagship brand and industry leading online sportsbook, BetRivers.com, in Virginia. Beginning tomorrow, sports enthusiasts across the Commonwealth of Virginia will be able to register, deposit funds and place bets at BetRivers.com on their favorite teams and eve 