50 years later, '72 Dolphins remain unmatched in perfection
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Undefeated: Inside the 1972 Miami Dolphins' Perfect Season – B&N
Collecting Cowboys, Dolphins and star RBs in 1972 - Sports
72 Dolphins' status as only perfect team may end in Valley
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Shop Miami Dolphins 1972 Perfect Season 50th Anniversary Exclusive
50 years later, '72 Dolphins remain unmatched in perfection
1972 Miami Dolphins: The inside story of the only perfect season