Timeline of the National Football League
Akron Pros 0 Dayton Triangles
Buffalo All-Americans 0 Decatur Staleys
Canton Bulldogs 0 Detroit Heralds
Chicago Cardinals 0 Hammond Pros
Chicago Tigers 0 Muncie Flyers
Cleveland Tigers 0 Rochester Jeffersons
Columbus Panhandles 0 Rock Island Independents
1920–1931 : Before the playoffs -- 1920
The American Professional Football Association is formed . The fourteen teams were mainly drawn from the Ohio League , Chicago Circuit , New York Pro Football League and other teams from the lower midwest . A $ 100 membership fee was charged . The Chicago Tigers folded after the season . [ 1 ] ^ Team folded this season
This article is a timeline of the National Football League (NFL). It tracks the history of each of the league's 32 current franchises from the early days of the league, through its merger with the American Football League (AFL). The history of franchises that began as independent teams, or as members of the Ohio League, New York Pro Football League, and other defunct leagues are shown as well.