Jose wrote:"He has added stability, not losing the ball but, at the same time, he is not the type of player who plays only square passes. He can see the movement forward and the space. He recovers the ball but in a very clean way, not with fouls in dangerous positions, and he is still a young guy. We'd given the club two or three options on players [in January] and the most expensive was Matic but we thought his relationship between quality and price, and his potential for the future, would be better for us."

"The day my agent offered me the chance to come back to Chelsea, I didn’t hesitate for one second," he told A Bola.

"You can’t refuse one of the best clubs in the world and the best coach in the world."

"My wife and my three-year-old child cried when we left Lisbon."

"But in London I feel really great. I'm also working with a great manager, everybody knows that Jose Mourinho is a fantastic coach. Now I'm training under him every day I just must agree, he really is fantastic."

Vibe wrote:I wonder has he been good enough to become a starter for Serbia..

"He’s been very impressive."

"There might have been a few doubts about his signing, with him coming back to the club, but he’s really impressed everybody within the team and all the supporters."

"He dictates the time of the team, he shields the back four very well and he has great distribution with his left foot. He has good vision as well. He’s matured very well as a player."

"I remember when he left, when he was a little younger, but he’s become an integral part of this team."

"Chelsea played against Benfica a couple of years back [in the first leg of a Champions League quarter-final] and he didn’t make the team, he came on as sub. So he’s really come along, he’s improved a lot as a player. He’s put a place down with the team."