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Why did the Minn. VIkings of the 70s always have lousy Super Bowl performances? Are there any parallels to the Broncos of the 80s and BIlls of the 90s? - Quora
What's in a nickname? NFL has had great ones in its history
Super Bowl 9 Franco Harris M V P Mixed Media by Jas Stem
Super Bowl 9 Franco Harris M V P by Jas Stem
Great moments in Pittsburgh sports history: 1970-1989
Asked and Answered: June 22
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Sal Paolantonio examines the most underrated Super Bowl winner in history - ESPN
What's in a nickname? NFL has had great ones in its history