National Football League - Wikipedia
Which NFL teams have the largest following?
MAP: the Most Popular NFL Team in Every State
Why we watch football on Thanksgiving
NFL Nations: The Most Popular NFL Teams in the World
The NFL's Most Valuable Teams 2023: Dallas Cowboys Remain On Top At A Record $9 Billion
Forbes ranks the Dallas Cowboys as the most valuable sports franchise in the world again - Blogging The Boys
Rams Among Top 5 NFL Teams in Ticket Sales This Season; See Who Else Made the List – NBC Los Angeles
Ranking every 2-0 NFL team: Cowboys, 49ers look legit as Buccaneers, Falcons aim to prove they're for real
Who is Really America's Team? The Harvard Sports Analysis Collective
Where Do NFL Fans Live? Mapping Football Fandom Across the U.S. - Priceonomics
Most popular NFL teams in the UK in 2022
How much are the Dallas Cowboys worth? Jerry Jones has a price