4) Radamel Falcao (Manchester United – £6m loan fee, 0 goals)
Although he is yet to get off the mark for Manchester United, Radamel Falcao should prove a big hit at Old Trafford once he gets going, and will surely prove a bargain at just £6m, even if that is quite a bit to pay for only having a player on loan, with his fee surely set to rise enormously if he makes a permanent move to the club.