Chelsea boss Jose Mourinho says Romelu Lukaku's attitude was the reason he let the striker move to Everton.
Southampton fans finally have reason to cheer after signing Chelsea full-back Ryan Bertrand on a season-long loan.
On Thursday, Galliani was quizzed about Carlos Tevez's move to Juventus by reporters and was also asked about Balotelli's future at the club.
Galliani responded: "Balotelli will not be sold. He's absolutely not on the market.
"We count on him. He's a world star and we will build our future around him."
Milan signed Balotelli from Manchester City for £19million in January.