Silva might well have a better touch than Sterling, but he cannot leave a player for dead like the former Liverpool man, and while Navas might well be the quicker, he struggles in tight situations where Sterling might worm his way out. Nasri, meanwhile, is simply too inconsistent for a team with title aspirations. He played a significant role in the 2012 and 2014 Premier League triumphs but was decidedly poor for much of last season. City's attack could do with some fresh blood.