National Football League
Current Franchises
Franchise Histories
- Akron Pros (1920-1925) former independent Akron Indians → Akron Indians (1926) → Folded
- Buffalo All-Americans (1920-1923) former independent Buffalo Prospects → Buffalo Bisons (1924-1925) → Buffalo Texas Rangers (1926) → Buffalo Bisons (1927) → Suspended operations (1928) → Buffalo Bisons (1929) → Folded
- Canton Bulldogs (1920-1923) former independent → Cleveland Bulldogs (1924-1925) → Suspended operations (1926) → Cleveland Bulldogs (1927) → Detroit Wolverines (1928) → Merged into New York Giants
- Chicago Cardinals (1920-1943) former independent Racine Cardinals → Temporarily merged with Pittsburgh Steelers as Card-Pitt Combine (1944) → Chicago Cardinals (1945-1959-60) → St. Louis Cardinals (1960-61-1987-88) → Phoenix Cardinals (1988-89-1993-94) → Arizona Cardinals (1994-95-Present)
- Chicago Tigers (1920) → Folded
- Cleveland Tigers (1920) former independent → Cleveland Indians (1921) → Folded
- Columbus Panhandles (1920-1922) former independent → Columbus Tigers (1923-1926) → Folded
- Dayton Triangles (1920-1929) former independent → Brooklyn Dodgers (1930-1943) → Brooklyn Tigers (1944) → Temporarily merged into Boston Yanks (1945) → Transferred to All-America Football Conference as Brooklyn Dodgers
- Decatur Staleys (1920-1921) former independent → Chicago Bears (1922-Present)
- Detroit Heralds (1920) former independent → Detroit Tigers (1921) → Folded
- Hammond Pros (1920-1926) former independent Hammond All-Stars → Folded
- Muncie Flyers (1920-1921) former independent Congerville Flyers → Became independent as Congerville Flyers
- Rochester Jeffersons (1920-1925) former independent → Folded
- Rock Island Independents (1920-1925) former independent → Transferred to American Football League
- Canton Bulldogs (1925-1926) → Folded