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 Juventus fans even during matches not involving Inter, leading to Juventus being fined twice and the club ultimately punished with a partial stadium closure. Balotelli's disciplinary problems and his difficult relationship with Mourinho continued in the 2009–10 season. In November 2009, Inter drew 1–1 against Roma, after which Mourinho criticized his players, going as far as saying Balotelli "came close to a zero rating". Balotelli had another negative encounter with Juventus fans in the heated "Derby d'Italia" encounter in an away match against Juventus on 5 December 2009, which Inter lost 2–1. When he was elbowed by Juventus midfielder Felipe