4. Xabi Alonso
Liverpool have failed to replace the Spaniard since his departure from Anfield in 2009, and he remains a favourite with the Reds faithful.
3. David De Gea
Such have been the world class performances of De Gea, that Real Madrid allegedly believe that he is the exemplary successor to Santiago Bernabeu legend Iker Casillas.
It has been hugely disappointing to see a goalkeeper of his supreme quality banished to the stands by Louis van Gaal, and will only have increased his desire to leave Old Trafford.
