Matic started for the third game in succession, partnering Ramires in midfield, and he is enjoying his time back in the Premier League.
'I'm very happy and I think I can improve a lot here," he told Chelsea TV. "Every game is difficult and in every game you have to be fully concentrated. It's a good opportunity for me to show my quality.
"I said after the Man City game that we'll fight until the end of the season. We need to take it game by game and play as well as we can in order to win matches. At the end of the season we'll see if we can be champions.
"We always believe, we just try to improve and give our best. We have a young team, we are not favourites but if we have a chance to be champions we want to take it."