Isak has been the subject of a record-breaking approach from Liverpool and is thought to have had his head turned by the Anfield outfit, who are weighing up a second bid after seeing a first offer of £110 million ($145.7 million) knocked back.

Parma's Giovanni Leoni, Club Brugge’s Joel Ordonez and Wolfsburg's Konstantinos Koulierakis are the three defenders who have impressed Richard Hughes scouts