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
- Cincinnati Celts (1921) former independent → Became independent
- Evansville Crimson Giants (1921-1922) former independent Evansville Ex-Collegians → Folded
- Green Bay Acme Packers (1921) former independent Green Bay Indian Packers → Green Bay Blues (1922) → Green Bay Packers (1923-Present)
- Louisville Breckenridges (1921-1923) former independent → Transferred to Fall Cities Football Federation
- Minneapolis Marines (1921-1924) former independent → Folded
- New York Giants (1921) → Folded
- Tonawanda Kardex (1921) former independent Tonawanda Lumbermen → Folded
- Washington Senators (1921) → Became independent as Washington Pros
- Horlick-Racine Legion (1922-1924) former independent → Folded
- Milwaukee Badgers (1922-1926) → Folded
- Oorang Indians (1922-1923) → Folded
- Toledo Maroons (1922-1923) former independent → Kenosha Maroons (1924) → Folded
- Cleveland Indians (1923) → Merged into Canton Bulldogs as Cleveland Bulldogs
- Canton Bulldogs (1925-1926) → Folded
- Kelley Duluths (1923-1925) → Ernie Nevers's Eskimos (1926-1927) → Suspended operations (1928) → Orange Tornadoes (1929) → Newark Tornadoes (1930) → Cleveland Indians (1931) → Boston Braves (1932) → Boston Redskins (1933-1936) → Washington Redskins (1937-2019-20) → Washington Football Team (2020-21-2021-22) → Washington Commanders (2022-23-Present)
- St. Louis All-Stars (1923) → Folded
- Frankford Yellow Jackets (1924-midseason 1931) former independent → Suspended operations (midseason 1931-1932) → Philadelphia Eagles (1933-1940) → Pittsburgh Steelers (1941-42-1942) → Temporarily merged with Philadelphia Eagles as Phil-Pitt Eagles (1943) → Temporarily merged with Chicago Cardinals as Card-Pitt Combine (1944) → Pittsburgh Steelers (1945-Present)
- Kansas City Blues (1924) → Kansas City Cowboys (1925-1926) → Folded
- Providence Steamrollers (1924-1931) former independent → Folded
- Detroit Panthers (1925-1926) → Folded
- New York Giants (1925-1936) → New York Football Giants (1937-Present)
- Pottsville Maroons (1925-midseason 1925) transferred from Anthracite League → Expelled (midseason 1925-1925) → Pottsville Maroons (1926-1928) → Boston Bulldogs (1929) → Folded
- Brooklyn Lions (1926-midseasin 1926) → Brooklyn Horsemen (midseason 1926-1926) → New York Yankees (1927-1928) → Staten Island Stapletons (1929-1930) → Staten Island Stapes (1931-1932) → Became independent
- Hartford Blues (1926) former independent → Became independent as Hartford Giants
- Los Angeles Buccaneers (1926) → Folded
- Louisville Colonels (1926) → Folded
- Racine Tornadoes (1926) → Folded
- Minneapolis Redjackets (1929-1930) former independent Minneapolis Marines → Folded
- Portsmouth Spartans (1930-1933) former independent → Detroit Lions (1934-Present)
- Cincinnati Reds (1933-midseason 1934) → St. Louis Gunners (midseason 1934-1934) → Folded
- Pittsburgh Pirates (1933-1939-40) → Pittsburgh Steelers (1940) → Philadelphia Eagles (1941-42-1942) → Temporarily merged with Pittsburgh Steelers as Phil-Pitt Eagles (1943) → Philadelphia Eagles (1944-Present)
- Cleveland Rams (1937-1942) transferred from American Football League → Suspended operations (1943) → Cleveland Rams (1944-1945) → Los Angeles Rams (1946-1994-95) → St. Louis Rams (1995-96-2015-16) → Los Angeles Rams (2016-17-Present)
- Phil-Pitt Eagles (1943) temporary merger of Philadelphia Eagles and Pittsburgh Steelers → Split into Philadelphia Eagles and temporary merger with Chicago Cardinals as Card-Pitt Combine
- Boston Yanks (1944-1948) → New York Bulldogs (1949) → New York Yanks (1950-51-1951-52) → Dallas Texans (1952-53) → Baltimore Colts (1953-54-1983-84) → Indianapolis Colts (1984-85-Present)
- Card-Pitt Combine (1944) temporary merger of Chicago Cardinals and temporary merger with Philadelphia Eagles as Phil-Pitt Eagles → Split into Chicago Cardinals and Pittsburgh Steelers
- Baltimore Colts (1950-51) transferred from All-America Football Conference → Folded
- Cleveland Browns (1950-51-1995-96) transferred from All-America Football Conference → Baltimore Ravens (1996-97-Present)
- San Francisco 49ers (1950-51-Present) transferred from All-America Football Conference
- Dallas Cowboys (1960-61-Present)
- Minnesota Vikings (1961-62-Present)
- Atlanta Falcons (1966-67-Present)
- New Orleans Saints (1967-68-Present)
- Boston Patriots (1970-71) transferred from American Football League → New England Patriots (1971-72-Present)
- Buffalo Bills (1970-71-Present) transferred from American Football League
- Cincinnati Bengals (1970-71-Present) transferred from American Football League
- Denver Broncos (1970-71-Present) transferred from American Football League
- Houston Oilers (1970-71-1996-97) transferred from American Football League → Tennessee Oilers (1997-98-1998-99) → Tennessee Titans (1999-2000-Present)
- Kansas City Chiefs (1970-71-Present) transferred from American Football League
- Miami Dolphins (1970-71-Present) transferred from American Football League
- New York Jets (1970-71-Present) transferred from American Football League
- Oakland Raiders (1970-71-1981-82) transferred from American Football League → Los Angeles Raiders (1982-83-1994-95) → Oakland Raiders (1995-96-2019-20) → Las Vegas Raiders (2020-21-Present)
- San Diego Chargers (1970-71-2016-17) transferred from American Football League → Los Angeles Chargers (2017-18-Present)
- Seattle Seahawks (1976-77-Present)
- Tampa Bay Buccaneers (1976-77-Present)
- Carolina Panthers (1995-96-Present)
- Jacksonville Jaguars (1995-96-Present)
- Cleveland Browns (1999-2000-Present)
- Houston Texans (2002-03-Present)