At £37m, Juan Mata has become Manchester United's most expensive ever player - but does that mean he will be a success?

From Wayne Rooney to Juan Sebastian Veron - United's expensive buys have endured mixed fortunes

Dimitar Berbatov was Manchester United's previous most expensive signing - and he didn't work out as well as planned (GETTY IMAGES)

Juan Mata has joined from Chelsea in a £37m deal and with it become Manchester United's most expensive ever signing.

The Spaniard has proved he can mix it in the Premier League, winning Chelsea's player of the year award for the last two years running.

However, he didn't fit easily into Jose Mourinho's system at Stamford Bridge which has led to the Special One sanctioning his sale.

So will things work out better for the 25-year-old at Old Trafford?

Here, we take a look at Manchester United's most expensive signings and analyse if they were money well spent - or expensive mistakes.

Manchester United's most expensive signings... were they worth it?

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