Former Chelsea defender Frank Leboeuf claims Thomas Tuchel is playing Hakim Ziyech out of position at No.10.
Ziyech arrived at Stamford Bridge for £33million last summer, but has only started 14 Premier League games for the Blues.
Leboeuf says he understands Ziyech 'frustration' and that the German manager should be better playing the Chelsea star on the right hand side as he is a 'copy-cat' of Manchester City's Riyad Mahrez.
Speaking of Ziyech's situation, Leboeuf told ESPN: 'I'm concerned about Hakim Ziyech.