7. Nemanja Matic (Benfica)
This talented Serbian playmaker has really shone for Benfica this season, attracting interest from Manchester United, who are looking for a replacement for the retiring Paul Scholes. However, Benfica have stamped a massive £45million price tag on Matic’s head, which could put him out of reach. United will look to raise some funds by selling some unwanted squad players in this transfer window, but their need for a playmaker of this quality could see them meet the Portuguese side’s sizable asking price, which would make the former Chelsea youngster by far the most expensive signing in their history.