Super Bowl III is widely considered to be one of the biggest upsets in not only Super Bowl history, but in all of sports. The 16-point underdog Jets defeated the Colts, who were then the two-time defending champions and had won 13 games during the regular season.
Super Bowl XXII saw another massive upset, as the Redskins handily defeated the Broncos 42-10. The Redskins had entered the game as underdogs despite their own 14-2 regular season record.
The Giants pulled off one of the most famous upsets in Super Bowl history when they defeated the previously undefeated Patriots in Super Bowl XLII. The Giants were 12-point underdogs entering the game, but their defense was able to contain Tom Brady and the high-powered Patriots offense.
The Rams were 14-point underdogs against the Titans in Super Bowl XXXIV, but came away with a 23-16 victory. The Rams had been one of the worst teams in the NFL just a few years earlier, but their Cinderella story came to an end with a win on football’s biggest stage.
In Super Bowl XLVII, the Ravens defeated the 49ers 34-31 in what was one of the most exciting Super Bowls in recent memory. The Ravens had entered the game as 4.5-point underdogs, but ultimately came out on top in a close contest.
Super Bowl XVIII saw another double-digit favorite fall, as the Raiders cruised to a 38-9 victory over the Redskins. The Raiders had been one of the best teams in the NFL all season, but they were still considered underdogs against a Washington team that had won the Super Bowl just two years earlier.
The Giants once again pulled off an upset in Super Bowl XXV, this time defeating the Bills 20-19. The Bills were heavy favorites entering the game, but their offense was stymied by the Giants’ defense.
The Patriots pulled off a minor upset in Super Bowl XXXVI, defeating the Rams 20-17 as 14-point underdogs. The Rams were heavily favored to win their second straight Super Bowl, but Brady and the Patriots defense rose to the occasion.
In Super Bowl XLVIII, the Seahawks routed the Broncos 43-8 in one of the most lopsided Super Bowls in history. The Seahawks were slight favorites entering the game, but their dominant performance proved to be too much for the Broncos.
Finally, Super Bowl LI saw another huge upset, as the Patriots came back from a 28-3 deficit to defeat the Falcons 34-28 in overtime. The Patriots had entered the game as 3-point underdogs, but their historic comeback gave them their fifth Super Bowl title.
