The New York Giants' last-gasp victory over the New England Patriots in Super Bowl XLII was one of the great sporting upsets.
Here are some of the other memorable occasions when the underdogs did not read the script.
FOOTBALL: 1990 World Cup, Italy - Cameroon shock Argentina
The opening match of the tournament pitted reigning world champions Argentina against African unknowns Cameroon.
The South American giants were bristling with talent, boasting Diego Maradona and Claudio Cannigia, while their unfancied opponents were yet to win a World Cup match.
But the all-star side were stunned as Francois Omam-Biyik's header squirmed under the body of goalkeeper Nery Alberto Pumpido to give nine-man Cameroon a 1-0 triumph.
RUGBY UNION: 2007 Rugby World Cup, France - Hosts halt All Black juggernaut
New Zealand were the red hot pre-tournament favourites and showed exactly why as they steamrollered everything that stood in their way in the group stage, running in 309 points in four games.
Quarter-final opponents France, meanwhile, had choked in their opening night defeat to Argentina.
But in a game played at Cardiff's Millennium Stadium, Yannick Jauzion's 69th-minute try put Les Bleus ahead and they survived a nail-biting finish to claim a 20-18 win - the first time the All Blacks had failed to reach the semi-finals of a World Cup.
TENNIS: Wimbledon 2001, England - Fourth-time lucky for Ivanisevic
Croatian mavarick Goran Ivanisevic had fallen at the final hurdle in 1992, 1994 and 1998, but was ranked 125 in the world and needed a wildcard to qualify when the 2001 championships came around.
The big serving left-hander advanced to the semi-finals with wins over Carlos Moya, Andy Roddick, Greg Rusedski and Marat Safin to set up a showdown with home favourite Tim Henman.
The Croat triumphed in an extraordinary rain-affected five setter - and again went the distance against Pat Rafter in the final to become the first wildcard to lift the trophy.
BASKETBALL: 1972 Olympic Games, Munich - Soviets end USA invincibility
USA went into the Games having never failed to take gold and with an Olympic record of 63 wins and no defeats.
But in a highly-controversial gold medal game the Soviets - political as well as sporting enemies with the Cold War at its height - ended that streak of victories with a 51-50 win, Aleksander Belov scoring the winning points right on the buzzer.
The American players voted unanimously to refuse their silver medals in protest at the result.
BOXING: World Heavyweight Championship, 1990, Japan - Buster Douglas KOs Tyson
Mike Tyson had dominated the heavyweight division since becoming the youngest ever world champion in 1986 aged just 20.
And nobody gave James 'Buster' Douglas a prayer when the pair met in Tokyo in February 1990.
But in the tenth round, having hauled himself off the canvas in the eighth, Douglas landed a right uppercut to floor 'Iron Mike' for the first time in his career.
