NFL: National Football League
The NFL is a professional 'American Football League'
32 teams divided equally between the American Football Conference and the National Football Conference
The NFL was formed in 1920 as the American Professional Football Association (APFA)
Founded: September 17, 1920; 103 years ago (Canton, Ohio, U.S.)
Headquarters: 345 Park Avenue New York, NY 10154 U.S,
The NFL was always the largest professional football league in the United States.
The fourth American Football League began to play in 1960
Today, the NFL is the most popular sports league sports league in North America
The APFA changed its name to the National Football League (NFL)