Silva acknowledges that, after a summer of Âconsiderable change at the club â including Manuel Pellegrini replacing Roberto ÂMancini as manager â City are a work in progress.
Silva said: âI think there is still room for improvement. Things are heading in the right direction but I think we maybe need to have a tighter unit.
âBut once that is done, I think we will be a very good team and tough to beat.â
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