Saul Niguez admits he's been impressed by Thiago Silva since his arrival at Chelsea.

Atletico Madrid midfielder Saul is on-loan at Chelsea for the season.

"I was very surprised by Thiago Silva," said Saul. "A person at 36 years, with the level he has, being a professional in the gym every day with us.

"He works not to get injured, he is always focused, he is very intelligent tactically and understands football very well.

"He guides you in the match. He understands football very well and has surprised me a lot for good reasons."