The midfielder joined the west London club from Barcelona, and proved vital in winning the 2014-15 title as provided a huge amount of assists for the likes of Diego Costa.
However, in the last couple of seasons he has seen his first-team opportunities decline, particularly since Maurizio Sarri joined Chelsea this summer, and now seems destined to be plying his trade elsewhere next season.
"Obviously in January I can sign (a pre-contract agreement) with whoever I want and probably this will attract many clubs.
"But so far, from what I can say right now, yes I will stay here until the end of the season.
"I play at Stamford Bridge, I'm happy. That's the most important thing. But of course every player wants to play more."