In my opinion, we have a huge problem with our strikers.
Aguero is constantly injured. When he's back, he looks like he needs 3/4 games to get match fit, which is normal. But he constantly gets injured after a few games. Literally every time. Bony's just not good enough, he doesn't score enough goals for a top team. Our second choice striker, with Aguero's injury record, is basically our first choice striker and Bony isn't good enough for that.
We need to replace Bony with someone like Lukaku in January or I don't think we're winning anything this season.
Our defence still isn't good enough, especially Mangala. £40 million and 18 months later he's still making costly mistakes every week. Not good enough. Sell him in January and bring back Denayer.