"He's a fantastic player, a young player," Graham Potter said of Enzo Fernandez.
"He's going to get better and better as he's with us more because he's just arrived from another country and another league so you always have to adapt to that.
"But you can see his quality, he gets the ball, he can pass forward, he's progressive with his mentality, gets the team moving and then gives everything. It's a nice combination to have."
"He sees everything," Potter added.
The Argentine was one of the best players in Chelsea's 3-1 win against Leicester today. He provided an assist to Havertz and played a key part in Kovacic's goal, playing a lovely pass to set up the Blues' attack.