The Green Bay Packers is one of the most popular teams in American football.
The Quarterback is the the most popular position in Football, if it wasn't for the success of Quarterback the team would not be successful. Also the Quarterback is the face of the team.
New England Patroits
National Football Team of Bulgaria
Manchester United have the largest fanbase in England and the world therefore being the most popular.
Soccer / football in europe
Football (Soccer to Americans)
Colorado`s most popular sport is the Denver Broncos football team.