Attacking movement
Not only is mobility a problem deeper in the team but it is also a concern in the final third where movement has been an issue all season.
The likes of Antonio Valencia, Ashley Young and Nani have shown that they can often lack the potency that is needed from the flanks and in attacking midfield.
Mata of course possesses great talent, but the Spaniard is going to need better support and the squad could be going through a serious overhaul this year.
SEE ALSO: Eight players to follow David Moyes out of Manchester United.
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