1972 Miami Dolphins' 50-year anniversary: Five interesting facts about the NFL's only perfect season
The Washington Commanders Hand the Philadelphia Eagles Their First Loss of the Season in 32-21 Win on Monday Night Football; The 1972 Miami Dolphins Remain the Only Perfect Team in NFL History –
The Perfect Team: Part 25-Fifty Years Later - Miami Dolphins
TSN Archives: Dolphins win Super Bowl VII, finish 17-0 (Jan. 27, 1973, issue)
Five Reasons the 1972 Miami Dolphins Will Forever Be the Only Undefeated NFL Team
A player-by-player look at the 1972 Dolphins and what they did after perfection – Sun Sentinel
Perfection: The Inside Story of the 1972 Miami Dolphins Perfect Season
MIAMI DOLPHINS BANDITS - The 1972 MIAMI DOLPHINS remain the ONLY UNBEATEN TEAM in NFL history!
50 years later, '72 Dolphins remain unmatched in perfection
72 Dolphins' status as only perfect team may end in Valley, Sports
The Perfect '72 Dolphins and Football's Ultimate Toll - The New York Times