Manchester United's 2-0 defeat to Olympiakos on Tuesday night was one of the most feeble in their European history. And just to rub salt into wounds, we've come up with five other United shockers.
May destroyed by Blomqvist
Gothenburg 3 Man Utd 1 (1994-95)
Before kick-off, Gothenburg fans unveiled a banner saying "Giggs is talk, Blomqvist is action". Giggs did not actually play, but the part about Blomqvist was spot on. He produced a virtuoso performance in the drizzle, running rings around United centre-back David May and breaking the deadlock after 11 minutes.
Romario and Stoichkov dazzle
Barcelona 4 Man Utd 0 (1994-95)
United ran into Cruyff's 'Dream Team' at precisely the wrong time. The first group game at Old Trafford ended a 2-2 draw - but the return leg was all Barca. The wonderful forward pairing of Hristo Stoitchkov and Romario were superb on the night, ripping apart a United side robbed of goalkeeper Peter Schmeichel due to the limit on foreign players.
Cantona and Cole wasteful
Man Utd 0 Dortmund 1 (1996-97)
Having disposed of Porto so impressively, United were widely fancied to make it through to the final. Dormund, though, had other ideas. In Germany, Borussia won 1-0. In Manchester, a seventh-minute goal from Lars Ricken gave United a mountain to climb and, although they dominated, Eric Cantona and Andy Cole missed a hatful of chances.
Beaten and booed in France
Lille 1 Man Utd 0 (2005-06)
United's crisis deepened as defeat against Lille left their Champions League hopes in the balance. Former Spurs star Milenko Acimovic scored from close range after 37 minutes as United failed to respond to their recent thrashing at Middlesbrough. Cristiano Ronaldo came closest for United with a second-half header that hit the bar.
United and Vidic down and out
Basle 2 Man Utd 1 (2011-12)
Sir Alex Ferguson's men failed to advance past the Champions League group stage for only the third time in 17 years after a humiliating defeat at Basel. The three-time European champions and reigning Premier League winners went behind to Marco Streller's strike after a goalkeeping error. They also lost captain Nemanja Vidic to a bad knee injury.