Undefeated: Inside the 1972 Miami Dolphins' Perfect Season eBook : Freeman, Mike: Books
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1972 Miami Dolphins: The inside story of the only perfect season in NFL history
Miami Dolphins Super Bowl 58 Odds: Week 6
Super Bowl VII - Wikipedia
Miami Dolphins vs. New England Patriots: Week 2 Odds, Lines, Picks & Best Bets – Forbes Betting
Super Bowl VII: Dolphins cap undefeated season - Sports Illustrated Vault
72 Dolphins' status as only perfect team may end in Valley, Sports
How has the NFL's final undefeated team finished each season? – NBC Sports Chicago
The Dolphins and the 49ers are off to record-threatening offensive starts – NewsNation
Dolphins' blowout win over Broncos ends with final score that's never been seen before in NFL history
1973 Undefeated Dolphins beat Redskins in Super Bowl VII – Bowie News
NFL Week 3 Takeaways: Dolphins Look Like Super Bowl Contenders - Sports Illustrated
People are only just realizing Miami Dolphins weren't the first NFL team to go through season undefeated