The Arizona Cardinals are a professional American football team based in Phoenix, Arizona. They are a member of the National Football League (NFL) and compete in the league's NFC West division. Founded in 1898, the Cardinals are one of the oldest continuously operating professional football teams in the United States. Their home games are played at State Farm Stadium in Glendale, which opened in 2006. The team's colors are cardinal red, white, and black, and their mascot is named Big Red. The Cardinals have had varying levels of success throughout their history, with their most notable achievement being their appearance in the Super Bowl in 2009, where they finished as runners-up.