American Football was invented in America and is currently the most popular sport in that country. America is famous for it because they are the most avid fans of the game.
By far, American football is the most famous sport.
American Football is what we play in the U.S.A. a.k.a. football or the NFL.
OJ Simpson
New England Patriots Quarterback Tom Brady is the most famous football player in the US.
football, baseball
Norv Turner is an American football professional coach, he is famous for coaching in the National Football League with the Cleveland Browns in the position of their offensive coordinator.
William Vanderbilt is a famous American businessman. Michael Vick is a famous American football player. Dick Van Dyke is a famous American actor.
This sport is known as American football.
In the USA you have American football and soccer.
Bill Walsh is famous for being a college and professional American football coach. He developed the West Coast offense which is still used in American football today.
There is no American Football around the world because it is not popular outside the US
NFL