1
History of the Chicago / St. Louis / Phoenix / Arizona Cardinals Professional Football Franchise, est. 1920
2
History of the Decatur / Chicago (Stayleys) Bears Professional Football Franchise, est. 1920
3
History of the Green Bay Packers Professional Football Franchise, est. 1919
4
History of the New York Giants Professional Football Franchise, est. 1925
History of the Portsmouth (Spartans) / Detroit Lions Professional Football Franchise, est. 1930
6
History of the Boston (Braves) / Washington Redskins Professional Football Franchise, est. 1932
7
History of the Philadelphia (Steagles) Eagles Professional Football Franchise, est. 1933
8
History of the Pittsburgh (Pirates/Steagles) Steelers Professional Football Franchise, est. 1933
History of the Cleveland / Los Angeles / St. Louis Rams Professional Football Franchise, est. 1937
10
History of the San Francisco 49ers Professional Football Franchise, est. 1946
11
History of the Cleveland Browns Professional Football Franchise, est. 1946
12
History of the Baltimore / Indianapolis Professional Football Franchise, est. 1953
13
History of the Dallas Cowboys Professional Football Franchise, est. 1960
14
History of the Dallas (Texans) / Kansas City Chiefs Professional Football Franchise, est. 1960
15
History of the Los Angeles / San Diego Chargers Professional Football Franchise, est. 1960
16
History of the Denver Broncos Professional Football Franchise, est. 1960
17
History of the New York (Titans) Jets Professional Football Franchise, est. 1960
18
History of the Boston / New England Patriots Professional Football Franchise, est. 1960
19
History of the Oakland / Los Angeles Raiders Professional Football Franchise, est. 1960
History of the Houston / Tennessee (Oilers) Titans Professional Football Franchise, est. 1960
21
History of the Buffalo Bills Professional Football Franchise, est. 1960
22
History of the Minnesota Vikings Professional Football Franchise, est. 1961
History of the Atlanta Falcons Professional Football Franchise, est. 1966
24
History of the Miami Dolphins Professional Football Franchise, est. 1966