Newcastle United has confirmed Siem de Jong is facing "months" on the sidelines.
News of De Jong's injury - a thigh complaint which will seem him sidelined for 'a number of months' - is a bitter blow for manager Alan Pardew in the same week Jack Colback was forced to withdraw from the England squad because of a calf problem.
A club statement on De Jong's injury read: "Siem de Jong sustained an injury to his right thigh in training and is to be assessed further at the start of next week.
"Initial indications are that he is likely to be out for a number of months."
