Team Year Origin Conf Div Timezone Chicago Bears 1920 Original National North Central Arizona Cardinals 1920 Original National West Mountain Green Bay Packers 1921 Early Expansion National North Central New York Giants 1925 Early Expansion National East Eastern Detroit Lions 1930 Early Expansion National North Eastern Washington Redskins 1932 Early Expansion National East Eastern Philadelphia Eagles 1933 Early Expansion National East Eastern Pittsburgh Steelers 1933 Early Expansion American North Eastern Los Angeles Rams 1937 Early Expansion National West Pacific Cleveland Browns 1950 AAFC American North Eastern San Francisco 49ers 1950 AAFC National West Pacific Indianapolis Colts 1953 Middle Expansion American South Eastern Dallas Cowboys 1960 Middle Expansion National East Central Minnesota Vikings 1961 Middle Expansion National North Central Atlanta Falcons 1966 Middle Expansion National South Eastern New Orleans Saints 1967 Middle Expansion National South Central New England Patriots 1970 AFL American East Eastern Buffalo Bills 1970 AFL American East Eastern Cincinnati Bengals 1970 AFL American North Eastern Denver Broncos 1970 AFL American West Mountain Tennessee Titans 1970 AFL American South Central Kansas City Chiefs 1970 AFL American West Central Miami Dolphins 1970 AFL American East Eastern New York Jets 1970 AFL American East Eastern Oakland Raiders 1970 AFL American West Pacific Los Angeles Chargers 1970 AFL American West Pacific Seattle Seahawks 1976 Later Expansion National West Pacific Tampa Bay Buccaneers 1976 Later Expansion National South Eastern Carolina Panthers 1995 Later Expansion National South Eastern Jacksonville Jaguars 1995 Later Expansion American South Eastern Baltimore Ravens 1996 Later Expansion American North Eastern Houston Texans 2002 Later Expansion American South Central