Pros: Passing inside, attacking movement, vision, crossing, pressing, dealing with crosses (in general)
Cons: Heading, concentration, consistency, confidence, decision making (at times), use of right foot.
I think most of his problems are either his head or in his head. Spending the best part of two years injured has got to get to you.
Now it's your turn, what do YOU think he's good at, or is it nothing? I'm not going to pick apart your answer if I disagree, I'm genuinely curious as to your opinion.