The electoral map of football, 2020 edition: is the United States more of an NFL or College Football country?
File:NFL teams locations.PNG - Wikipedia
NFL Football Operations - The NFL FLAG Regional Tournament schedule is now live! Registration starts in August, learn more: #PlayFootball
Usa Nfl Map Collage 2 Poster by Bekim M - Fine Art America
The Geography of NFL Fandom - The Atlantic
NFL Twitter map: Every football team's popularity visualized - Thrillist
NFL TV Week 2 Coverage: Seahawks-Lions gets FOX's A-team, but sparse distribution - Field Gulls
Week 14 - /r/NFL Power Map (29 Teams In The Hunt) : r/nfl
The Most Popular NFL Teams In States That Don't Have One