Bad news for Juventus beafore the match against Barca

Mario Mandzukic is in doubt for the match against Barcelona.
Mario Mandzukic, continues to miss due to problems with the knee and will not play against Chievo on Saturday, Federico Mattiello is a surprise, who was invited by Allegri.

This is bad news for Juventus before the match with Barcelona on Tuesday and it is not known whether Mario will reach to overcome this problem and be ready against Barca.