Jose Mourinho was in such good spirits after Manchester United beat Swansea that he invited counterpart Carlos Carvalhal into his post-match press conference.
Having temporarily been replaced in second place in the Premier League after Liverpool's win at Crystal Palace, the Red Devils moved back into the spot they have maintained for most of the campaign thanks to a 2-0 win at Old Trafford.
Romelu Lukaku's 100th Premier League goal after five minutes was complemented by Alexis Sanchez's low strike in a superb first-half display that United were unable to maintain after the break.