Who is Really America's Team? The Harvard Sports Analysis Collective
Study reveals Europe's favourite NFL teams
Die-Hard or Fair-Weather Fans? Ranking All 32 NFL Fan Bases
NFL Fan Map: Favorite Team by County
The Geography of NFL Fandom - The Atlantic
NFL Power Rankings: 10 Most Die-Hard Fan Bases in the NFL, News, Scores, Highlights, Stats, and Rumors
How Every NFL Team's Fans Lean Politically
How Every NFL Team's Fans Lean Politically
Major League Sports Fans' Political Affiliations
Ranking the Biggest & Smallest NFL Stadiums by Capacity - BetMGM