Louis van Gaal has created a culture of ‘no excuses’ but may fear a deficit of creative class will leave them short against Europe’s elite.
A late goal saved the 20-time champions while Chelsea, Manchester City and Liverpool asserted their positions on the log with convincing wins.
The win, secured by goals from Rooney, Mata and van Persie, was United's sixth in a row and galvanised their grip on third place in the table.
Barcelona and Real Madrid lead the way on social media as Manchester United, Manchester City and Liverpool try to keep up.
Cristiano Ronaldo is slowly surpassing Argentine rival Lionel Messi's record goal scoring.
The 20-times champions are still struggling with what has been a dismal transition since Alex Ferguson retired in 2013, and total revenue has fallen.
An emotional Frank Lampard rescued a point for champions Manchester City against former club Chelsea on Sunday.
Manchester United's signing of the prolific striker Radamel Falcao is a major coup for the ailing English giants, who need a boost after last season.
English Premier League football player Juan Mata has given his seal of approval to manager Louis van Gaal's new tactical system for Manchester United.
Coach Louis van Gaal's start with Manchester United gives the team more travel than he'd like, due to commercial interest.
New manager for Manchester United Louis Van Gaal - known for his frankness - is in many ways the antithesis of his hapless predecessor, David Moyes.
After nine years spent desperately waiting for a title, Arsenal finally got the chance to celebrate their FA Cup win with a trophy parade
Rio Ferdinand's contract expires in July, and after regularly being left out of games says he will not be signing an extension with Manchester United.
New interim Manchester United manager Ryan Giggs has started his stint by urging players to entertain fans who have endured a miserable season.
David Moyes has been fired as Manchester United's manager. What went wrong for the Scot after Alex Ferguson's succesful reign?
UK papers say Manchester United manager David Moyes could be fired less than a year after being hired on Alex Ferguson's personal recommendation.
With the help of Juan Mata's two goals, Manchester United has beaten Newcastle 4-0 in the Premier League.
Despite Bastian Schweinsteiger's red card against Manchester United, Bayern Munich are predicted to win the Champions League quarterfinal.
Man City moved into second place with a convincing derby win over United, with Arsenal denied crucial points in an own-goal draw against Swansea.