AC Milan could be without midfielders Antonino Nocerino and Mathieu Flamini for their Champions League clash with Barcelona on Wednesday.
According to Football Espana, both players are doubts for the last-16 tie at San Siro after missing Tuesday's training session.
The midfielders are suffering from muscle problems and will undergo fitness tests on Wednesday to determine their availability for the game.
Milan are also without January signing Mario Balotelli, who is cup-tied following his transfer from Manchester City.
