The Perfect Season: An Achievement Unlikely to Ever Occur Again
50 years on, the 1972 Miami Dolphins' undefeated season remains
72 Dolphins keep perfection in perspective - ESPN
1972 Miami Dolphins will remain NFL's only unbeaten team after
NFL teams that came closest to going undefeated, joining the 1972
Five Reasons the 1972 Miami Dolphins Will Forever Be the Only
Miami Dolphins the only NFL team in history with perfect record
The 1972 Dolphins remain the NFL's lone undefeated team
The Dolphins and the 49ers are off to record-threatening offensive
1972 Miami Dolphins: The inside story of the only perfect season in
1972 Miami Dolphins honored at White House – Sun Sentinel
New England Patriots - Wikipedia
1972 Miami Dolphins' 50-year anniversary: Five interesting facts
Bob Kuechenberg, former Pro Bowler and member of undefeated 1972