AC Milan defender Alessandro Nesta has been ruled out of Sunday's Serie A clash with Napoli with a muscle strain, his club said on their website.
The 35-year-old centre back was absent as the Milan players were put through their paces in Saturday's final training session in sub-zero temperatures at the club's Milanello training complex.
The injury is a blow for coach Massimiliano Allegri whose team are looking to rebound from a 2-0 defeat to Lazio in midweek.
Milan are currently second in Serie A, a point behind Juventus who have a game in hand.
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