5) Fernando Torres (£50m)
It was a massive news story when Chelsea sealed the signing of the Spaniard from Liverpool on deadline day in 2011. The Blues felt they had landed a top-class striker from one of their rivals.
However, things didn’t really turn out that way, with Torres struggling to replicate the form he showed at Anfield, with only 45 goals in three and a half seasons with the London club.
