Another injury for Sandro. The striker has more muscle problems in the left femoral biceps and will have to stop to treat the pain.
He got injured in the friendly on Friday between Valladolid and Salamanca, who both made use of the international break.
It is estimated he will be out for two weeks, therefore he will not play against Athletic in the San Mamés or at home to Eibar.
This is the 2nd time he has gotten injured this season. In August he missed the matches against Real Madrid and Levante.