Soccer/MLS continues steady popularity climb in the US - Hot Time In Old Town
Soccer surpasses NHL as 4th most popular sport in United States - World Soccer Talk
Native American-related teams faced pressure to change their names. Here's what's happened since.
The NFL is the most popular sport in America for the 30th year running
Most popular NFL teams in the UK in 2022
Stars, Stripes and Sports: America's Top 20 Sports in 2023
Despite its huge popularity in the US, American football has never become a big deal in other countries. Why not? - Quora
NFL pushes to grow flag football in Latin America and beyond - Los Angeles Times
Which country outside of North America is the NFL most popular in? - Quora
The Growth of the NFL in Europe: Not Just America's Football
Will American football's popularity ever reach outside the USA? – Q COSTA RICA
Europe and the U.S.—Two Continents, Two Sporting Traditions - The Atlantic
The Growing Popularity of American Football Outside the U.S.
Countries with the Biggest NFL Fan Bases
Football (American) - New World Encyclopedia