The players, including Montolivo, were put through their paces on Thursday.
Jack is on his way back to Milan after being kept under watch for a head injury.
All the post-match interviews from Cagliari-Milan.
The stats to emerge from Wednesday’s match Cagliari-Milan.
The precedents between the two sides ahead of the Round 10 Serie A match.
The youth team beat Sassuolo 2-0 in the Youth TIM Cup