7. Kostas Mitroglu – Olympiakos to Fulham, £12m
At the start of the transfer window the Greek international was being touted by the likes of Liverpool and Arsenal, only to see those moves come to nothing. However, he has now arrived in the Premier League at a side with something to prove, and in turn, the Cottagers have landed themselves a striker who needs no encouragement to find the back of the net.