NFL Films is telling the tale of a Twin Cities showman, a long-resented Vikings vanquisher and a controversy that keeps them laughing — even if it's still painful to Vikings fans of the era.
The belief in the Vikings' invincibility from Minnesota fans that existed before the 1970 Super Bowl had waned. That upset shellacking from Kansas City had been followed by back-to-back Super Bowl losses to Miami and Pittsburgh in Januarys in 1974 and 1975.