BetRivers celebrates landmark sponsorship of Frisco Fighters as team seeks the IFL championship crown CHICAGO, July 22, 2022 /PRNewswire/ — Rush Street Interactive, Inc. (NYSE: RSI) (“RSI” or the “Company”), a leading sports betting and online casino company in the United States that operates the BetRivers brand, congratulates the Frisco Fighters on advancing to the Indoor Football League (IFL) playoffs in only their second season on the field. RSI became a flagship sponsor of the Fighters at the beginning of the 2022 season. The IFL, launched in 2009, is the oldest continuously operating indoor football league in the country. Frisco was awarded a franchise in late 2019 and, although the…