NFL Franchise Year - by - Year Genealogy The roots of every NFL football team can be traced in this year - by - year NFL genealogy section . This detailed listing includes the year each team began play , franchise movement between cities , and NFL team name changes . This NFL genealogy has been divided for convenience , so pick a year and begin your investigation of the history of NFL franchise s . 1920 . The American Professional Football Association was formally organized to begin play in fall of 1920 . Jim Thorpe of Canton is elected APFA president and membership fee is set at $ 100 per franchise . The original teams are : • Canton Bulldogs • Cleveland Tigers • Dayton Triangles • Akron Professionals • Rochester ( N . Y . ) Jeffersons • Rock Island Independents • Muncie Flyers • Decatur Staleys • Chicago Cardinals • Hammond Pros Later , the Buffalo All - Americans , Chicago Tigers , Columbus Panhandles and Detroit Heralds joined the league prior to the 1920 season . The Chicago Tigers fold between the 1920 and 1921 seasons . 1921 . The APFA is reorganized with Joe Carr elected league president The Decatur Staleys moved to Chicago but retain the name Staleys Teams that join the APFA for the 1921 season : • Green Bay Packers • Cincinnati Celts ( play 1921 season only ) • Minneapolis Marines • Evansville Crimson Giants • Tonawanda Kardex ( AKA Lumbermen - play 1921 season only ) • Washington Senators ( play 1921 season only ) • New York Brickleys Giants ( play 1921 season only ) • Louisville Brecks Teams that fold between 1921 and 1922 seasons : • New York Brickleys Giants • Washington Senators • Tonawanda Kardex • Cleveland Tigers • Muncie Flyers • Cincinnati Celts • Detroit Heralds 1922 . The APFA changes its name to the National Football League The Chicago Staleys change their name to the Chicago Bears Teams that join the NFL for the 1922 season : • Milwaukee Badgers • Marion Oorang Indians • Racine Legion • Toledo Maroons • Teams that fold between the 1922 and 1923 seasons : • Columbus Panhandles • Evansville Crimson Giants 1923 . Teams that enter the NFL for the 1923 season : • Columbus Tigers • Duluth Kelleys • St . Louis All - Stars ( play only the 1923 season ) • Cleveland Indians ( play only the 1923 season ) NFL teams that fold between the 1923 and 1924 seasons : • Canton Bulldogs • Cleveland Indians • Louisville Brecks • Marion Oorang Indians • Racine Legion • St . Louis All - Stars • Toledo Maroons 1924 . Buffalo All - Americans change their name to Buffalo Bisons Teams that join the NFL for the 1924 season : • Cleveland Bulldogs • Frankford Yellow Jackets • Kansas City Blues • Kenosha Maroons ( play 1924 season only ) Teams that fold between the 1924 and 1925 seasons : • Kenosha Maroons • Minneapolis Marines • Columbus Tigers 1925 . The Kansas City Blues change their name to the Kansas City Cowboys The Canton Bulldogs re - enter the NFL after an inactive 1924 season Racine Legion is inactive for 1925 season Teams that join the NFL for the 1925 season : • New York Giants • Providence Steam Roller • Pottsville Maroons • Detroit Panthers Teams that fold between the 1925 and 1926 seasons : • Cleveland Bulldogs • Rochester Jeffersons The Rock Island Independents leave the NFL for the rival AFL at end of the season 1926 . The Buffalo Bisons change their name to the Buffalo Rangers Teams that join the NFL for the 1926 season : • Hartford Blues • Brooklyn Lions • Los Angeles Buccaneers • The Akron Pros change their name to the Akron Indians • The Racine Tornadoes ( formerly the Racine Legion ) re - enter the NFL • The Duluth Kelleys become the Duluth Eskimos • The Louisville Colonels ( formerly the Louisville Brecks ) re - enter the NFL as a road team out of Chicago Teams that fold between the 1926 and 1927 seasons : • Kansas City Cowboys • Los Angeles Buccaneers • Buffalo Rangers • Detroit Panthers • Hartford Blues • Brooklyn Lions • Milwaukee Badgers • Akron Indians • Racine Tornadoes • Columbus Tigers • Canton Bulldogs • Hammond Pros • Louisville Colonels 1927 . Teams that join the NFL for the 1927 season : • Cleveland Bulldogs ( play only the 1927 season ) • New York Yankees Teams that fold between the 1927 and 1928 seasons : • Buffalo Bison • Cleveland Bulldogs • Duluth Eskimos 1928 . The Detroit Wolverines are granted an NFL franchise but play only the 1928 season ( the Wolverines have the best lifetime winning percentage ( . 778 ) of any franchise in NFL history ) The New York Yankees fold at end of the season 1929 . Teams that join the NFL for the 1929 season : • Buffalo Bisons ( play 1929 season only ) • Minneapolis Red Jackets • Staten Island Stapletons • Orange Tornadoes • Boston Bulldogs ( play only 1929 season - - the Bulldogs were in reality the Pottsville Maroons relocated , inactive for the 1928 season ) Teams that fold between the 1929 and 1930 seasons : • Dayton Triangles • Buffalo Bisons • Boston Bulldogs 1930 . Teams that join the NFL for the 1930 season : • Portsmouth Spartans • Brooklyn Dodgers • The Orange Tornadoes change their name to the Newark Tornadoes Teams that fold between the 1930 and 1931 seasons : • Minneapolis Red Jackets • Newark Tornadoes 1931 . The Cleveland Indians join the NFL ( play 1931 season only ) The Frankford Yellow Jackets disband during 1932 season Teams that fold between the 1931 and 1932 seasons : • Cleveland Indians • Providence Steam Roller 1932 . The Boston Braves join the NFL for the 1932 season The Staten Island Stapletons fold between the 1932 and 1933 seasons 1933 . The Boston Braves changed their name to the Boston Redskins Teams that join the NFL for the 1933 season : • Pittsburgh Pirates • Cincinnati Reds • Philadelphia Eagles 1934 . The NFL splits into divisions as follows : EASTERN DIVISION WESTERN DIVISION The Portsmouth Spartans move to Detroit and are named the Detroit Lions . The Cincinnati Reds are allowed to move to St . Louis and become the St . Louis Gunners , folding after 1934 season . 1937 . The Cleveland Rams are awarded an NFL franchise in the Western Division The Boston Redskins move to Washington 1941 . The Pittsburgh Pirates are renamed the Pittsburgh Steelers 1943 . The Cleveland Rams suspend operations for the 1943 season The Eagles and Steelers merge for one season to the Phil - Pitt Steagles 1944 . The Cardinals and Steelers merge for 1944 season . They were called Card - Pitt and play in the Western Division The Brooklyn Dodgers were renamed the Brooklyn Tigers The Boston Yanks are granted an NFL franchise and added to the Eastern Division 1945 . The Brooklyn Tigers merge into the Boston Yanks merge for one year 1946 . The Cleveland Rams move to Los Angeles The Brooklyn team was formally disbanded . The owner went on to launch the AAFC , a rival league . 1949 . The Boston Yanks move to New York and become the New York Bulldogs for the 1949 season The AAFC dissolves after the 1949 season and the Browns , 49ers and Colts move into the NFL for the 1950 season . The remaining AAFC players are spread throughout the NFL via draft . 1950 . The New York Bulldogs change their name to the New York Yanks The NFL establishes the following alignment : AMERICAN CONFERENCE NATIONAL CONFERENCE The Baltimore Colts folds after 1950 season 1952 . The New York Yankees fold ; the NFL sells the assets of the Yanks to a Dallas group to become the Dallas Texans and begin play in 1952 The Dallas franchise folds , is taken over by the NFL midseason and plays out the rest of their season as a road team 1953 . The NFL formally reinstates the dead Dallas Texans franchise as the Baltimore Colts 1959 . The AFL is formally organized with the charter members : EASTERN DIVISION WESTERN DIVISION A franchise in the Twin Cities is to be added before play beings in 1960 1960 . The Dallas Cowboys franchise awarded by the NFL to begin play in the Eastern Conference in 1960 Twin Cities is also awarded a franchise by the NFL , which is later named the Minnesota Vikings and begins play in the Western Conference in 1961 The AFL Minnesota team is withdrawn due to the planned NFL expansion there in the Twin Cities The Oakland Raiders are awarded an AFL franchise into the Western Division to replace Minnesota The Chicago Cardinals move to St . Louis The AFL begins league play 1961 . The Los Angeles Chargers move to San Diego The AFL approves expansion into Atlanta for 1961 The AFL approves expansion into Chicago for 1961 1963 . The Titans are renamed the Jets The Texans move to Kansas City and are named the Chiefs 1965 . The NFL awarded Atlanta a new franchise to begin play in the Eastern Conference in 1966 . Miami is awarded a franchise by the AFL and is named the Dolphins by contest . It is to begin play in the Eastern Division in 1966 . The NFL and AFL effectively merge with plans to go to a 2 conference 4 division setup in 1970 or after . New Orleans is awarded a franchise by the NFL , to be later named the Saints and to begin play in the Eastern Conference in 1967 Atlanta is moved to the Western Conference . For the 1967 season , the conferences will be split up as follows : EASTERN CONFERENCE CAPITOL DIVISION CENTURY DIVISION WESTERN CONFERENCE CENTRAL DIVISION COASTAL DIVISION New York will move to the Capitol Division for 1968 , then back to the Century Division for 1969 . Likewise , New Orleans will move to the Century Division for 1968 , then back to the Capitol Division for 1969 . 1967 . The Cincinnati Bengals franchise was awarded by the AFL to begin play in the Western Division in 1968 . 1970 . The NFL and AFL merge their schedules and go to the current two conference , six division format . The AFL becomes the AFC with the Steelers , Browns and Colts moved there from the NFL . The rest of the NFL becomes the NFC . This is the only time a rival league has successfully merged with the NFL . The NFL is now aligned as follows ( modern format ) : AMERICAN CONFERENCE EAST DIVISION CENTRAL DIVISION WEST DIVISION NATIONAL CONFERENCE EAST DIVISION CENTRAL DIVISION WEST DIVISION 1971 . The Boston Patriots move to Foxboro and are renamed the New England Patriots 1974 . Tampa Bay is awarded a franchise by the NFL and begins play in 1976 in the AFC West and switch to the NFC Central in 1977 Seattle is awarded a franchise by the NFL and begins play in 1976 in the NFC West and switch to the AFC West in 1977 1976 . Seattle Seahawks and Tampa Bay Buccaneers begin play 1977 . Seattle Seahawks and Tampa Bay Buccaneers switch to current conferences ( Seahawks to the AFC West and Buccaneers to NFC Central ) 1982 . The Oakland Raiders move to Los Angeles 1984 . The Baltimore Colts move to Indianapolis 1988 . The St . Louis Cardinals move to Phoenix 1993 . The Carolina Panthers are awarded an NFL franchise to begin play in 1995 The Jacksonville Jaguars are awarded an NFL franchise to begin play in 1995 1994 . The Phoenix Cardinals are renamed the Arizona Cardinals 1995 . The Los Angeles Rams moved to St . Louis The Los Angeles Raiders move back to Oakland 1996 . The Cleveland Browns move to Baltimore to begin play in 1996 as the Baltimore Ravens ( however , the city of Cleveland retains the rights to the Browns name , logo , team colors and memorabilia rights ) 1997 . The Houston Oilers move to Memphis and become the Tennessee Oilers 1998 . Cleveland granted franchise , to be named the Cleveland Browns , and will begin play in 1999 The Tennessee Oilers move from Memphis to Nashville . The New England Patriots announce their intention to move to Hartford