Paul Dickov has said that Jack Grealish could be a key figure for Manchester City in the final months of the season. After suffering another injury setback during City’s FA Cup game against Luton Town, the Englishman was fit enough to start the Manchester club’s quarter-final FA Cup match against Newcastle United on the substitutes bench. Prior to the game against Eddie Howe’s side, one pundit and former City player couldn’t contain his excitement at seeing the winger back in the squad. Dickov backs Grealish for big City roleSpeaking in a livestream on the club’s YouTube channel ahead of the N…