Robbie Savage, former footballer, BBC Radio 5 live
He [Mata] has created 227 chances in two-and-a-half seasons at Chelsea, and that's what [Robin] van Persie and [Wayne] Rooney need.
Graham Hunter, journalist, newstalk.ie
Would he be compatible playing with Rooney and van Persie in the same team? Absolutely he would. Mata can press and harass players similarly to Rooney. You've got a hunger and an energy and a determination to win from Juan Mata. He's a perfect club man: deeply loyal, believes in the management structure. I believe he is a footballer who is world-class in terms of ability and still more than that in terms of attitude and commitment.
Mike Duxbury, former United full-back, Talk of the Devils
When I heard United were interested in him my first thought was he is a hell of a player. He's been a great player for Chelsea and would be just what we need to send a message.
Paul Joyce, journalist, Daily Express
He brings creativity – there were 20 goals last season – and charisma and star quality. There is the potential for Mata-van Persie-Rooney to be deployed as a fearsome front three, interchanging positions so as to wreak most havoc.
Jan Molby, former footballer, Eurosport
I don't think anyone doubts he is a truly exceptional player. He could create as