Nemanja Matic underlined the need to cut out costly errors as Manchester United's attention turned from FA Cup disappointment to their Champions League charge before even leaving Wembley.
Ole Gunnar Solskjaer's side saw an impressive 19-match unbeaten run in all competitions come to a crashing end at an empty Wembley on Sunday, when Chelsea deservedly secured a 3-1 semi-final triumph.
Meek United put in an uncharacteristically disjointed display under the arch, where Olivier Giroud all too easily beat Victor Lindelof to turn home a cross deep in first-half stoppage time.
David De Gea did not cover himself in glory for the opener and was guilty of a shocker within a minute of the second half as Mason Mount's long-range strike somehow beat
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