The BetRivers sportsbook offers customers a wide breadth and scope of betting markets and content across various sports leagues. The products share the same wallet for bettors’ convenience too. Now sports fans across the Mountain State, aged 21 and over, can join gaming enthusiasts to place bets quickly and securely from the integrated BetRivers iOS and Android apps and website. (NYSE: RSI) (“RSI”), a leading online casino and sports betting company in the United States, today announced it is adding its industry leading online sportsbook to its existing online casino at BetRivers in West Virginia. CHICAGO-( BUSINESS WIRE)-Rush Street Interactive, Inc.