Alan Hutton says that Grealish has a similar personality to Gareth Bale, which will help him become 'world-class'.
Southampton and Sheffield Wednesday have also impressed.
The Nottingham Forest boss had words of praise for his players, despite going down 3-1 to Tottenham.
Tottenham Hotspur overcame Nottingham Forest 3-1 on Wednesday, and here is the story of the match in pictures:
Pozo scored the side's sixth goal on his Manchester City debut in the win over Sheffield Wednesday.
Former Newcastle United striker Faustino Asprilla has revealed he will be launching a line of flavoured condoms in his homeland of Colombia.
Southampton host Queens Park Rangers this weekend and a key battle in midfield could go a long way to deciding the outcome of the game.
Nathaniel Chalobah has yet to appear for the Clarets since joining on loan from Chelsea.
The Spurs boss has acknowledged the 23-year-old's quality but knows the club need to manage him appropriately.
We bring you the latest news from Celtic and Rangers.