Simply put, Dolphins coach Don Shula was a winner - ESPN - Miami Dolphins Blog- ESPN
Larry Csonka on the '72 Dolphins and NFL perfection: 'I guard it jealously'
1972 Dolphins Players Pop Champagne After Royals First Loss, Might Be Alcoholics
1972 Miami Dolphins – The Perfect Season 50th Anniversary
1972 Dolphins champagne celebration: Do ex-Miami players toast the first loss of the last undefeated NFL team every season?
1972 Miami Dolphins season - Wikipedia
Pressure Point: '72 Dolphins undefeated, feistier than ever – Five Reasons Sports Network
Savannah native Ginn played on two Super Bowl-winning teams
Why do the 1972 Miami Dolphins feel that they should be the only NFL team to finish undefeated? If a different team went undefeated, why can't the 72 Dolphins pass the torch?
1972 Dolphins champagne celebration: Do ex-Miami players toast the first loss of the last undefeated NFL team every season?
Bob Lurtsema: 1972 Dolphins would not have gone undefeated without bad call against Vikings – Twin Cities
Dolphins made history (and memories) in 1972 with a perfect season
Legendary Miami Dolphins Coach Don Shula Dies at 90 - WSJ
Perfect Memories: A '72 Dolphins 50th anniversary celebration