Chelsea midfielder Willian, voted the club’s player of the year last season, has signed a new four-year deal.
It will keep the 27-year-old Brazilian at Stamford Bridge until 2020.
Willian scored 11 goals in 49 appearances in all competitions last season, including five in the Champions League group stage.
He told the club’s official website: “It’s a dream to continue with this club and over the next four years I will try to help the team win more trophies.
“It’s been an amazing time for me since I joined the club three years ago, I’ve won titles and last season I was named Chelsea player of the year.
“I hope to be able to stay at that level during the coming seasons and achieve more success.”
Willian arrived at Chelsea in the summer of 2013 from Anzhi Makhachkala and played a key role in the team that won the Capital One Cup and Premier League titles in his second campaign.