Hakim Ziyech admits Chelsea are yet to see his best.

The Moroccan international has been hampered for months by the shoulder injury suffered during the Super Cup victory at the start of the season.

He said: “I have had some hard times behind me because I didn't really fully recover from my injury and I've never been able to find my rhythm again.

“Chelsea have not seen the best of me yet because I know what I can do and what my highest level is.

“But I have always believed in myself and I have worked really hard every day even when things have not been going as they're supposed to."