5) Paul Pogba (Juventus)
One of the best youngsters in world football, Juventus starlet Paul Pogba has been linked occasionally with a sensational return to Old Trafford, though he is sure to be one of the most expensive options on the market.
6) Radja Nainggolan (AS Roma)
Another fine Roma midfielder, Radja Nainggolan has been linked with United and Liverpool and looks a potentially great buy after a strong season in Serie A.