Don Shula's best years came during the NFL's greatest era of all-time - Behind the Steel Curtain
Don Shula, winningest coach in NFL history, dies at age 90 - KVIA
Mahomes the old man among 4 NFL conference title game QBs
Dolphins To Honor 1972 Team As Greatest Team In NFL History Against Bengals
Patriots put '72 Dolphins in their sights in different way
Shula, winningest coach in pro football history, dies at 90
Fifty years ago, the Browns nearly ended 1972 Dolphins' perfect season – News-Herald
Pittsburgh Steelers fall short of perfection with shocking Washington upset
The Path To Perfection – 7 Part Documentary on the 1972 Perfect Season – The Official Website of Larry Csonka
1972 Miami Dolphins season - Wikipedia
1972 Dolphins remain only perfect team in NFL's 100 years: Here's every team's best unbeaten start
AP WAS THERE: Dolphins complete perfect season in 14-7 win
Five Reasons the 1972 Miami Dolphins Will Forever Be the Only Undefeated NFL Team
FINS ON 6: Complete Preview of Dolphins-Steelers on NBC's Sunday Night Football – NBC 6 South Florida
Pressure Point: '72 Dolphins undefeated, feistier than ever – Five Reasons Sports Network