Manchester United eased to a 4-1 win against Swansea City in David Moyes' first Premier League game in charge of the Red Devils.
Robin van Persie and Danny Welbeck both scored twice for the Premier League champions in what was a comfortable win for Moyes' side.
Swansea new-boy Wilfried Bony grabbed a consolation goal to make it 3-1 only for Welbeck to restore United's three-goal advantage late on.
Before Van Persie opened his account for the season, teammate Ryan Giggs - who has now played in an astonishing 24 seasons for the Premier League champions - wasted two opportunities to score in the first 20 minutes.
Manchester United did however open the scoring in the 34th minute when Van Persie controlled a high pass from Giggs before expertly volleying past Michel Vorm.
The Red Devils doubled the scoreline two minutes later when Van Persie's headed effort was deflected to Antonio Valencia who squared the ball to Welbeck for the England forward to score from close range.
The second half was considerably flat until Wayne Rooney - who received a positive reception from Manchester United's travelling support - came off the bench to replace Giggs with just under half an hour to go.
Rooney played a part in United's third goal when the striker passed to Van Persie before making a decoy run to provide the Dutchman to smash home from just outside the penalty area.
Bony managed to get himself on the scoresheet with eight minutes to go - before Welbeck completed the rout by lobbing the helpless Vorm.
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