With Manchester United widely tipped to win their first FA Cup title since 2004 in Saturday's final clash against Crystal Palace at Wembley Stadium, Completesportsnigeria.com's JAMES AGBEREBI puts the Red Devils and their faithful fans on alert with five previous classic FA Cup finals that didn't go in favour of the pre-match favourites.
The last time both sides met in the final was in 1990, with Manchester United coming out tops.
Manchester United's last won the FA Cup in 2004, beating Milwall 3-0.
WIGAN 1-0 MAN CITY (2013)
Wigan went into their first ever FA Cup final against Manchester City while still battling for survival in the English Premier League.
Manchester City were expected to use the FA Cup as a consolation after they lost the league title to Manchester United.
But as the FA Cup has come to be known with its upsets, Wigan emerged 1-0 winners against the Citizens.
Ben Watson's stoppage-time header off a corner-kick, proved the decider.
Wigan eventually got relegated after they lost 4-1 to Arsenal at the Emirates in their penultimate game of the season.
EVERTON 1-0 MAN UNITED (1995)
Prior to the final of the 1995 FA Cup final against Everton, Manchester United had narrowly lost the league title on the final day to Blackburn Rovers.
On their part, Everton also narrowly avoided relegation after finishing 15th in the final league table.
Manchester United were tipped to win their third FA Cup title in five years, but Paul Rideout's goal gave Everton a shock 1-0 win.
The 1995 FA Cup win against Manchester United, remains Everton's last major silverware.
WIMBLEDON 1-0 LIVERPOOL (1988)
Liverpool were already league champions going into the 1988 FA Cup final against Wimbledon.
The Reds finished nine points ahead of the second placed team, losing just two games in the course of the season.
But it was a different ball game in the final of the FA Cup as they lost 1-0 to a Lawrie Sanchez header, off a Dennis Wise free-kick.
Liverpool had the chance to draw level, but Dave Beasant stopped John Aldridge's penalty kick, becoming the first goalkeeper to save an FA Cup final penalty.
WEST HAM 1-0 ARSENAL (1980)
Arsenal were the holders ahead of the 1980 FA Cup final against West Ham.
In the 1979 final against Manchester United, Arsenal won 3-2, in a dramatic encounter.
A less fancied West Ham side were plying their trade in the second division of English football.
To everyone's surprise, West Ham were crowned FA Cup kings, thanks to Trevor Brookings header which sealed the win.
SOUTHAMPTON 1-0 MAN UNITED (1976)
After challenging and losing the league title to Liverpool in 1976, all Manchester United's hopes now rested on the FA Cup.
Standing between Manchester United and the trophy, was a Southampton side that was looking for their first ever FA Cup title.
Eventually, it was the Saints that emerged victorious as Bobby Stokes goal decided the contest.