The Cedar Rapids River Kings were a professional indoor football team based in Cedar Rapids, Iowa. The River Kings joined the Indoor Football League (IFL) as an expansion team in 2011 as the Cedar Rapids Titans and first took the field for the 2012 season. Since 2014, the Titans/River Kings franchise has played its home games at the newly renovated Alliant Energy PowerHouse, after having played their first two seasons at the Cedar Rapids Ice Arena.