Manchester United's disappointing week ended with a win and it was Zlatan Ibrahimovic and Paul Pogba who won the game for the visitors.
World record signing Pogba opened the scoring with a thunderous effort past Lukasz Fabiankski before Ibrahimovic netted a second-half double.
Mike van der Hoorn pulled one back for Swansea but it proved to be nothing more than a consolation goal.
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