Jack Grealish has named the toughest game he played for Manchester City last season. Grealish was an integral member of City’s starting lineups, as he made the left-wing position his own as he went on to win the treble. READ MORE: Pep Guardiola claimed Jack Grealish was “decisive” for Manchester City last seasonNaturally, the £100 million man played in several challenging games. For instance, in the Champions League, Jack Grealish was tasked with the responsibility of playing against teams of the stature of Bayern Munich, Real Madrid and Inter Milan later on in the competition. In the Premier …