Mario Balotelli and work-rate, inconsistency, mentality, and volatile temperament and arrogant behaviour on the pitch, which has often led him to pick up unnecessary bookings throughout his career. Balotelli has also been accused of diving, and is thus regarded by teammates and the media as a promising but undisciplined player. Due to his powerful shot, Balotelli is also a set-piece specialist, and is regarded as one of the best penalty kick takers in world football, a view backed by his former Manchester City goalkeeping teammate Joe Hart. Balotelli missed his first competitive penalty against Napoli on 22 September 2013 when it was
Mario Balotelli his Nice debut on 11 September, Balotelli told Canal Plus that joining Liverpool in the summer of 2014 was the "worst mistake of his life" and that Brendan Rodgers and Jürgen Klopp (the two Liverpool managers during Balotelli's time at the club) did not make a good impression on him and he did not get along with them. He made his debut for Nice, starting in a home Ligue 1 match against Marseille, converting a penalty in the 7th minute and scoring a header from Ricardo's cross in the 78th minute as Nice won the match 3–2. On 21 September,