 CHICAGO MANISTEE, Mich.--BUSINESS WIRE--Rush Street Interactive, Inc. NYSE:RSI RSI, one of the most trusted and fastest-growing online casino and sports betting gaming companies in the United States, today announced that on Friday, January 22, 2021 at 12 noon Eastern, it will begin accepting wagers in Michigan at BetRivers.com, its industry leading online casino and sportsbook. Gaming enthusiasts in Michigan will be able to play an exciting array of online casino games and wager on th 