These are the 7 teams that have repeated as champions in the Super Bowl era
How do NFL teams do the year after winning the Super Bowl? – NBC Sports Bay Area & California
Packers-Redskins Series History: Green Bay Leads 17-13-1 - Acme Packing Company
Ranking the Super Bowls: From I to LVII
Packers aim to fix problems while remembering why they play the game
Super Bowl 57: Chiefs, Eagles meet for title in Arizona - The San Diego Union-Tribune
Could the 1972 Packers have beaten Washington, won the Super Bowl?
Chiefs vs. Bucs Defense Data Crunch
The Green Bay Packers offense lines up against the Washington News Photo - Getty Images
N.F.L. Sunday Wild-Card Matchups: Who We Think Will Win - The New York Times
The perfect 1972 Dolphins actually did lose — to the Packers and 2 other teams
Sneak preview: The proof of how far the Packers had fallen
Green Bay Packers defeat the Pittsburgh Steelers 31-25 to win the Super Bowl
Remembering Super Bowl VII: 50 years later
Remembering Washington's NFC Championship win over Dallas 50 years ago