The 30-year-old limped away from his side´s 2-1 triumph over Internazionale and it is feared the injury is more serious than just cramp, which was the initial diagnosis.
He will undergo further tests at the national team´s training facility in Coverciano on Monday and if no assurances can be given, he may be the one player Italy coach Roberto Donadoni has to exclude from his 24-man provisional squad for the European Championships.
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