MAPS: Which NFL Teams Every County In The US Is Rooting For This Weekend
Who are the most popular NFL teams? Cowboys lead US in search hits
NFL Fan Map: Favorite Team by County
Die-Hard or Fair-Weather Fans? Ranking All 32 NFL Fan Bases
Where Do NFL Fans Live? Mapping Football Fandom Across the U.S. - Priceonomics
NFL Fan Map: Favorite Team by County
Facebook Map Shows County-by-County Breakdown of Most 'Liked' MLB Teams, News, Scores, Highlights, Stats, and Rumors
Twitter map shows the most popular NFL teams in each county of the United States
How Every NFL Team's Fans Lean Politically
The Most Popular MLB Team by US County, State