But all visiting fans have already been barred from several games this season, and stewards were decided on, following violence at a Champions League game between Manchester United and AS Roma last season.
Juventus goalkeeper Gianluigi Buffon indicated that some of the reaction was out of proportion.
"If an old lady with a soccer scarf around her neck is robbed and killed, should we stop the league?" Buffon was quoted as saying by ANSA at Italy's training camp in Florence.
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