Marca Luis Rojo reports fear Alejandro Balde will undergo surgery. This is a cut for the Spaniard for four months which means his season is coming to an end.
However if the player decides to receive conservative treatment instead he will be absent for about a month. However there will be a risk of recurrence.
The 20-year-old will soon undergo further medical tests to determine the exact extent of the injury.
Joao Cancelo and Hector Fort should replace Balde at left-back in his absence.
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