Manchester United recently completed a £37.1 million deal to sign Spanish star Juan Mata from Chelsea.
The Red Devils broke their own transfer record as they landed the playmaker from their Premier League rivals and now many will be wondering whether Mata will be worth the price tag.
Over the last few years, we've seen some mega switches involving Premier League clubs that have worked out well for the buying club.
And fans of United will certainly be hoping that Mata follows in the foot-steps of some of these stars.
Let's take a look at five of the biggest switches that have been worth the price tag: