Kansas City Chiefs def. Minnesota Vikings – Super Bowl IV in 1970:
Back in these days, the AFL was still the underdog to the more established NFL before the two leagues eventually merged, and Super Bowl IV was no different.
The Kansas City Chiefs took on the highly favored Minnesota Vikings as 12.5 to 13-point underdogs. Those betting lines proved to be a fool’s errand. Faced with wet, sloppy conditions, the Chiefs trounced the favored Vikings 23-7 on the heels of three interceptions, and two fumble recoveries. Kansas City also held the Vikings to only 67 rushing yards. Legendary coach Hank Stram gave the Chiefs their only Super Bowl victory, as they haven’t won a Lombardi Trophy since. They are favored to contend for it again this year, however.