1972 Miami Dolphins' 50-year anniversary: Five interesting facts about the NFL's only perfect season
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1972 Miami Dolphins: The inside story of the only perfect season in NFL history
Undefeated: Inside the 1972 Miami Dolphins' Perfect Season: Freeman, Mike: : Books
NFL's only 'Perfect Season' reaches golden anniversary
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The Dolphins have been the Patriots' biggest rival in the AFC East - Pats Pulpit
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The Dolphins and the 49ers are off to record-threatening offensive starts
Don Shula, winningest coach in pro football history, dies at 90
Still Perfect: Miami Dolphins to Honor Undefeated 1972 Team at Sunday's Game – NBC 6 South Florida
Cleveland Browns, Miami Dolphins franchise history, win totals, greatest players and more by the numbers
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
1972 Dolphins are a national treasure; celebrate them