Just a shot in the dark but I believe there was an AFL, American Football League.
ANSWER:
There were lots of informal organizations, especially around the Midwest, but the NFL was the first serious attempt at organizing a professional football league in the United States.
There have been several rival leagues calling themselves the American Football League throughout the years, but none of them predate the NFL. The best-known and most successful AFL was the one that formed in 1960 and merged with the NFL in 1970. The AFL brought the Dolphins, Jets, Bills, Patriots, Bengals, Titans (then the Houston Oilers), Chargers, Broncos, Chiefs, and Raiders into the league.
The AFL was founded in 1959 and the first season was in 1960.
In 1888, The Football League was founded. This competition league features professional men's clubs from England and Wales. It is the oldest competition of it's kind in world football.
The National Football League, at the time called the American Professional Football Association, was founded in 1920.
The National Football Team is the league for the professional football teams in the United States.
Matthew Reed was a professional football player, starring at quarterback in the World Football League and the Canadian Football League.
The National Football League was founded in 1920 under the name American Professional Football Association. The name was changed to National Football League in 1922.
In 1923, the NFL was called the National Football League. The NFL was founded in 1920 as the American Professional Football League. The named was changed to National Football League in 1922.
The National Football League was founded in 1920 under the name American Professional Football Association. The name was changed to National Football League in 1922.
The AFL was founded in 1959 and the first season was in 1960.
Indoor Professional Football League was created in 1998.
Indoor Professional Football League ended in 2001.
In 1888, The Football League was founded. This competition league features professional men's clubs from England and Wales. It is the oldest competition of it's kind in world football.
NFL stands for "National Football League," which is the professional football league in the USA. CFL stands for "Canadian Football League," which is the professional football league in Canada.
Indoor Professional Football League's motto is 'Great Football, No Gimmicks.'.
Hawaii Professional Football League was created in 2010.
Professional Spring Football League was created in 1991.
Professional Spring Football League ended in 1991.