Former Chelsea winger Pat Nevin admits he's a fan of Christian Pulisic.

Indeed, he believes Pulisic can develop into one of the best players in the world.

Nevin said, "There have been times in Chelsea when it is believed that he can become a world-class player and one of the best players in the world. I still think so, but he needs to be smoother.

"I think he has been very unlucky because he suffers several different injuries all the time.

"If it had been the same injury, it would have been easy to say that he is prone to injury, but that is not the case."