Jack Grealish had a difficult season at Manchester City last time out. Having played a prominent role in City’s Treble-winning season, the winger then went on to only appear in 20 Premier League games last season, 10 of which he started. Despite lifting his third consecutive Premier League trophy with Pep Guardiola’s side, the Englishman admitted in an interview with The Athletic at the end of the campaign that he was struggling with certain matters on and off the pitch that impacted his confidence. Following the summer break, Grealish has been involved in the Manchester club’s pre-season tour…