Photo taken on January 13, 2013 shows Mario Balotelli of Manchester City reacts during the Barclays Premier League match between Arsenal and Manchester City at the Emirates Stadium. Mario Balotelli has officially transferred to AC Milan after agreeing a four-and-a-half-year contract worth twenty million euros. (Xinhua/Wang Lili)

The file photo taken on November 3, 2012 shows Mario Balotelli of Manchester City reacts during the Barclays Premier League match between West Ham United and Manchester City at the Boleyn Ground in London, Britain. Mario Balotelli has officially transferred to AC Milan after agreeing a four-and-a-half-year contract worth twenty million euros. (Xinhua/Wang Lili)

Photo taken on on December 9, 2012 shows Mario Balotelli of Manchester City reacts during the Barclays Premier League match between Manchester City and Manchester United at Etihad Stadium in Manchester, Britain. Mario Balotelli has officially transferred to AC Milan after agreeing a four-and-a-half-year contract worth twenty million euros. (Xinhua/Wang Lili)

The file photo taken on November 3, 2012 shows Mario Balotelli of Manchester City reacts during the Barclays Premier League match between West Ham United and Manchester City at the Boleyn Ground in London, Britain. Mario Balotelli has officially transferred to AC Milan after agreeing a four-and-a-half-year contract worth twenty million euros. (Xinhua/Wang Lili)

The photo taken on November 3, 2012 shows Mario Balotelli of Manchester City reacts during the Barclays Premier League match between West Ham United and Manchester City at the Boleyn Ground in London, Britain. Mario Balotelli has officially transferred to AC Milan after agreeing a four-and-a-half-year contract worth twenty million euros. (Xinhua/Wang Lili)