Original ranking based on a Bleacher Report post. Feel free to add more teams and vote your favorites up.
http://www.ranker.com/list/most-popular-professional-sports-teams-_u-s-_/richmoylejr-,
Chicago Blackhawks
Dallas Cowboys
Dallas Mavericks
Green Bay Packers
Miami Heat
New York Giants
New York Rangers
New York Yankees
San Francisco 49ers
San Francisco Giants