In a worrying sign for the Manchester United manager David Moyes, one of the club's co-chairman Avram Glazer has come to the game tonightPhotograph: PHIL NOBLE/REUTERSThe game gets under way and Manchester United's Ryan Giggs, who is clearly proving to be a calming presence in the United side, takes on Olympiakos' Leandro SalinoPhotograph: Jon Super/APAntonio Valencia gets a shiner early onPhotograph: John Peters/Man Utd via Getty ImagesMichael Carrick looks to evade David Fuster Photograph: John Peters/Man Utd via Getty ImagesIn the 25th minute, Robin van Persie is fouled in the penalty box by Jose Holebas as he attempts to control the ball on his chestPhotograph: Laurence Griffiths/Getty ImagesVan Persie slots home the resulting penalty kick to make it 1-0 on the night and 1-2 on aggregate. United are back in this tiePhotograph: Jason Cairnduff/Action ImagesOn the stroke of half-time, Giggs plays a delightful ball to Rooney and he squares it to Van Persie, who sweeps home his second goal of the nightPhotograph: Matthew Peters/Man Utd via Getty ImagesA delighted Moyes runs down the touchline ready to give his team-talk at half-timePhotograph: ANDREW YATES/AFP/Getty ImagesValencia reacts angrily as he tangles with Giannis ManiatisPhotograph: Laurence Griffiths/Getty ImagesVan Persie completes his hat-trick with a free-kick ... The Dutchman is a tad fortunate that the keeper was wrong-footed, but it matters little – United are ahead on aggregatePhotograph: Laurence Griffiths/Getty ImagesWith United under increasing pressure late in the match, Van Persie gets kneed in the calf and has to be taken off on a stretcherPhotograph: Matthew Peters/Man Utd via Getty ImagesNonetheless, United cling on to record a fine win – and a hugely important one for Moyes – which earns them a place in the quarter-finals of the Champions League. Look at the relief on Rooney's facePhotograph: Matthew Peters/Man Utd via Getty ImagesMoyes looks pretty darn happy too. Final score: 3-0 (3-2 on aggregate)Photograph: ANDREW YATES/AFP/Getty Images