AC Milan face a battle to keep hold of Gianluigi Donnarumma.

Donnarumma, now 18, is in new contract talks with Milan and his agent, Mino Raiola, has warned it won't be a formality.

Raiola said, "Donnarumma wants to know what the Milan project is and it's normal. The critics? It's incredible. If some want to see him leave, it is enough to say ... He is worth as much as a painting of Modigliani, who is one of the major artists of Italy."

Leggo says Raiola is prepared to take Donnarumma away from Milan if the club's new owners, Sino-Europe, fail to meet their demands.