The electoral map of football, 2020 edition: is the United States more of an NFL or College Football country?
NFL teams' most rabid fans, in one county-by-county map - Vox
NFL Hate Map: Green Bay Packers in study of teams Twitter users hate
Cleveland Muny Football League - Flag Football
The Geography of NFL Fandom - The Atlantic
NFL Stadiums Location Poster Map
NFL relocation: San Diego move to LA brings up idea of no teams ever moving - The Phinsider
THE SECOND CHANCE SHEEPDOG: An Idea for NFL Realignment