City have so many weaknesses in the team, Nasri/Silva are just not wide players leaving only Navas, who is more Lennon/SWP than he was ever Robben/Ribery. His shooting is meh, he's wasteful, his crossing is meh. Fantastic pace but poor decision making/final ball and physically too small. When he's your only genuine wide player you have a problem with the squad. They should really be using fullbacks, seeing as they have good attacking ones, in wide positions with the squad how it is.
Silva is good but in bigger games he is pushed off the ball too easily.
Yaya is far far too inconsistent, even his very best games are usually 20-30 mins very good but will be useless for half the game.
Mangala was such a poor buy, they need a Hazard/Robben/Ronaldo level wide player, something entirely lacking in this team. Likewise Chelsea have Matic/Fabregas/Oscar where even the most defensive player is good pushing forwards, a smart passer. Outside of Yaya their central midfield offers too little going forward for a team that can't play well out wide.