He is an enigma for me, he has the ability to create chances and deliver in key moments, however, his lack of ability to resist press and show any composure is very concerning, specially being a number 10. Which is the one position where the requirement to resist press and always the most flawless player in terms of ability plays that position, because you are always in the half space and rarely have time on the ball, the best players always make time for themselves (KDB, Ozil, Cantona, Berkamp, Zidane to name a few)
Whereas you look at him, he does everything so hastily, the ball is like a hot potato to him. I think the last piece of our jigsaw is replacing this guy with a number 10 with the above mentioned qualities.
Another problem is we can not use him anywhere else on the pitch, the times he has been shunted to the right, has resulted in soo many turnover and goals (Fulham away and Leeds at home on top of my head).