NFL Nations: The Most Popular NFL Teams in the World
Map shows most popular NFL jersey in every state
What College Football Would Look Like With Four, 16-Team
Who are the most popular NFL teams? Cowboys lead US in search hits
What is the most popular professional sports team in the US? - AS USA
Up Close on Baseball's Borders - The New York Times
America's Favorite Out of State Football Teams, Mapped - Custom Ink
Maptitude Map: Closest NFL Stadium
The Geography of NFL Fandom - The Atlantic
Florida, Georgia lead new ranking of top birth states for NFL
This Map Shows The Most Popular NFL Team in Each States
America's Favorite Out of State Football Teams, Mapped - Custom Ink