Twitter map shows Bills are America's team entering Wild Card Weekend
Which NFL Teams Do Americans 'Like?' Facebook Map Has the Answer
Reader comment: Politicized nature of the NFL a turn off? – The Baker County Press
A Map Showing Maine's Favorite Out-Of-State NFL Team is Total BS
Wallsbot.com Nfl football teams, Football team, Nfl football
The Geography of NFL Fandom - The Atlantic
The Geography of NFL Fandom - The Atlantic
Facebook Data Shows NFL Fandom by Counties Throughout United States, News, Scores, Highlights, Stats, and Rumors
MAP: the Most Popular NFL Team in Every State
NFL fan map: Where are your team's followers?
File:Map of Cities in the USA and Canada with MLB, MLS, NBA, NFL or NHL Teams.png - Wikipedia
Twitter breaks down NFL fan bases across the country