Mario Balotelli a number of disciplinary problems. With doubts over his career at Inter, former coach Roberto Mancini had since moved to Manchester City and decided to give Balotelli a fresh chance at a new club. He joined Manchester City in August 2010, where his performances and off-field activities continued to be enigmatic and unpredictable. Balotelli eventually fell out of favour with Mancini after a "training ground bust up" between the two in January 2013. His departure from City and return to Italy with A.C. Milan followed several weeks later. After 18 months at Milan, he returned to the Premier League with
Mario Balotelli Melo in the shoulder, Balotelli fell theatrically onto the pitch, for which he was booked, while Melo was sent off for a second yellow card. The incident sparked an altercation between Balotelli's teammate Thiago Motta and Juventus goalkeeper Gianluigi Buffon. The tension between Balotelli and Mourinho reached its peak on the eve of the UEFA Champions League second leg against Chelsea after the young striker was not called-up, following an altercation with his manager. Despite Inter's 1–0 win at Stamford Bridge, Balotelli was criticized by several senior players, including captain Javier Zanetti and veteran defender Marco Materazzi, as well as