1972 Miami Dolphins will remain NFL's only unbeaten team after Alex Smith does in 11-0 Steelers
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
Miami Dolphins celebrates 50 years of the only perfect team in NFL history with several of its legends
What it really means to the 72 Miami Dolphins to stay only perfect team
50 years on, the 1972 Miami Dolphins' undefeated season remains undefeated, Miami Dolphins
1972 Dolphins are a national treasure; celebrate them
Seventeen and Oh: Miami, 1972, and the NFL's Only Perfect Season by Marshall Jon Fisher
E:60 Perfect Machine an informative look at 1972 Miami Dolphins
A player-by-player look at the 1972 Dolphins and what they did after perfection – Sun Sentinel
Eagles remind Larry Csonka of '72 Dolphins, who had perfect season
50 years later, '72 Dolphins remain unmatched in perfection