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
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?
Latest in Sport
Mario Balotelli to Liverpool: The best memes as the internet reacts to imminent £16m transfer
Sami Khedira to Arsenal? Arsene Wenger reveals the Gunners are still in the market for defensive midfielder
Paul Scholes: Manchester United need five experienced players who can turn round a desperate situation
Manchester United transfer news: Louis van Gaal tried and failed to sign German stars Thomas Muller and Marco Reus this summer
Tracey Emin: My Life In A Column
- 2 ALS ice bucket challenge co-founder Corey Griffin drowns, aged 27
- 3 A third of employers never check job applicants' qualifications, survey finds
Richard Dawkins on babies with Down Syndrome: 'Abort it and try again – it would be immoral to bring it into the world'
Scottish independence: English people overwhelmingly want Scotland to stay in the UK
Isis threat: Cameron wants an alliance with Iran
Crisis? What crisis? A visiting US doctor gives the NHS a rave review
Michael Brown shooting: Chaos erupts on the streets of Ferguson after autopsy shows teenager was shot six times – twice in the head
Scottish Independence Referendum: Salmond described as 'arrogant, ambitious and dishonest' by Scottish women