Pittsburgh Steelers - Wikipedia
Cincinnati Reds throwback uniforms - 1939 vs. 1936 - Red Reporter
File:Brendon Ayanbadejo.jpg - Wikipedia
Logos and uniforms of the Chicago Bears - Wikipedia
File:Jeff Reed throwback jersey.jpg - Wikipedia
New England Patriots - Wikipedia
Dallas Cowboys - Wikipedia
File:Hines Ward throwback 2007.jpg - Wikipedia
File:Redskins vs Giants line of scrimmage throwbacks.jpg - Wikipedia
San Francisco 49ers - Wikipedia
Away colours - Wikipedia
Los Angeles Rams - Wikipedia