The 31-year-old Republic of Ireland international failed to re-appear after the break in Saturday´s 5-1 Barclays Premier League defeat by Manchester United as he had aggravated the problem he had suffered at Aston Villa a fortnight earlier.
Given has already been ruled out of this weekend´s crucial visit of former club Blackburn to St James´ Park, and there are fears that another operation is required after a string of similar problems.
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