History of Current NFL Franchises

NFL

1920
1922
1960
1970

Denver Broncos

1960 - 2013

San Diego Chargers

1960 - 1961
1961 - 2013

Kansas City Chiefs

1960 - 1963
1963 - 2013

Oakland Raiders

1960 - 2013

Arizona Cardinals

1898 - 1901
1901 - 1906
1913 - 1922
1922 - 1960
1960 - 1987
1987 - April 1994
April 1994 - 2013

Chicago Bears

1919 - 1921
1921 - 1922
1922 - 2013

Green Bay Packers

08/01/1919 - 2013