Seattle Seahawks: The Seattle Seahawks are a professional American football team based in Seattle, Washington, USA. They are currently members of the Western Division of the National Football Conference (NFC) in the National Football League (NFL). The team, along with the Tampa Bay Buccaneers, joined the NFL in 1976 as expansion teams. Seattle is the only team to have played in both the AFC (American Football Conference) and NFC Championship Games. The Seahawks have one Super Bowl appearance, Super Bowl XL.