1972 Miami Dolphins remain only undefeated team in NFL History - The Phinsider
Miami Dolphins the only NFL team in history with perfect record
17 facts about 17-0 Super Bowl VII champion Miami Dolphins - Los Angeles Times
1972 Dolphins remain only perfect team in NFL's 100 years: Here's every team's best unbeaten start
Bob Griese reminisces 50 years after leading Dolphins in the 1972 undefeated season
1972 Miami Dolphins will remain NFL's only unbeaten team after Alex Smith does in 11-0 Steelers
Which NFL team is undefeated in the league's history?
Miami Dolphins celebrates 50 years of the only perfect team in NFL history with several of its legends
17 facts about 17-0 Super Bowl VII champion Miami Dolphins - Los Angeles Times
1972 Miami Dolphins Team Signed Undefeated Season Reunion, Lot #83194
Pin by Humberto Texis on NFL Miami dolphins, Miami dolphins funny, 1972 miami dolphins
ONLY UNDEFEATED NFL TEAM EVER 1972 MIAMI DOLPHINS 8X10 PHOTO FOOTBALL
1972 Miami Dolphins season - Wikipedia