Manchester United have dropped to the bottom of their Champions League group after Copenhagen produced an incredible comeback to beat them 4-3 on Wednesday night.
United were flying in the first half and found themselves 2-0 up courtesy of a brace from Rasmus Hojlund against his former side.
But then it all went wrong at the end of the half. Marcus Rashford was controversially sent off for a challenge on Elias Jelert, catching the Dane on his ankle and being shown the second red card of his career following a VAR review.
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Copenhagen made the most of the advantage and scored twice through Mohamed Elyounoussi and Diogo Goncalves - the latter dispatching a penalty in the ninth minute of first-half stoppage time after Harry Maguire was penalised for handball.
10-man United were given a spot-kick of their own after the ball struck the outstretched arm of Lukas Lerager in the area from Maguire's knockdown.
Bruno Fernandes restored United's lead with a thumping penalty but just when it looked signed, sealed and delivered, Lerager made amends by popping up with an equaliser at the far post.
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Diogo Dalot had been caught sleeping and Lerager capitalised in a huge way.
And the stunning comeback was complete three minutes before time as Copenhagen substitute and top scorer Roony Bardghji, just 17 years of age, scored the winner to secure a famous European win for the Danes.
United have now lost nine of their 17 games in all competitions this season as pressure continues mount on Erik ten Hag.
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The Red Devils are at now in fourth place on three points in Group A and face a tough task to qualify for the round of 16.
They will be without for Rashford for the trip to Istanbul to play Galatasaray in a must-win game on 29 November before they finish the campaign with a game against group winners Bayern Munich on 12 December.
Topics: Manchester United, Champions League, Erik Ten Hag