NFL teams that came closest to going undefeated, joining the 1972 Dolphins as members of the perfect club
NFL Highlights 1972 Undefeated Miami Dolphins Season - imasportsphile
The CTE Link Between Players from the 1972 Miami Dolphins - The New York Times
1972 Miami Dolphins Season
Commanders vs. Eagles final score: Philadelphia loss keeps 1972 Dolphins only Perfect Season team - The Phinsider
Unbeatable The '72 Dolphins' Road To Perfection
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
TSN Archives: Dolphins win Super Bowl VII, finish 17-0 (Jan. 27, 1973, issue)
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
MIAMI DOLPHINS 1972 Undefeated Throwback NFL Football Jersey
The 1972 Miami Dolphins still have the NFL's only perfect season - The Washington Post