MILAN, Jan. 31 (Xinhua) -- AC Milan club formally announced on Thursday that Italian striker Mario Balotelli has signed contract with them after completing the standard medical.

The Serie A giant released a brief note on their website confirming confirmed that the forward has signed a contract until 30 June 2017.

Balotelli arrived in Italy on Wednesday for his medical. It is understood that he has cost the Rossoneri 20 million euros.

He will be unveiled to the Press at San Siro on Friday evening at 19:00 hours local time.