Maine Mammoths are a professional indoor football team that was a member of the National Arena League (NAL) for the 2018 season. Based in Portland, Maine, the Mammoths played their home games at the Cross Insurance Arena.
The Carolina Cobras are a professional indoor football team in the National Arena League (NAL) and that began to play for the 2018 season. Based in Greensboro, North Carolina, the Cobras play their home games at the Greensboro Coliseum Complex.
The Spokane Shock is an IFL (Indoor Football League) football team based in Spokane, Washington. The franchise has been around for a decade while still playing all home games at the Spokane Arena.