He said: "I watched his league debut against Wigan Athletic and I think he showed everyone what he's about as a player.
"He's a quality player, really special, he is relaxed with the ball. Every time, just before he gets the ball, he knows what he is going to do with that. He is so quick.
"I don't have much doubt he'll become one of the best players in the league here, especially if he continues to play like he did on Sunday.
Hazard has made an instant impact in his short time with Chelsea, winning two penalties in his first two league matches at the club.