Chelsea have opened negotiations over a new contract with goalkeeper Thibaut Courtois, according to Sky sources.
The Belgium international has just over two years remaining on his current contract and has attracted interest from Real Madrid.
Sky Sports News HQ understand Courtois, who has won two Premier League titles since joining Chelsea in 2011, wants to remain at Stamford Bridge.
A source told SSN HQ: "If Chelsea wants to be the best team, they need the best players and Thibaut is the one.
"If Thibaut stays in London he deserves the best conditions at his level".
Courtois has featured 37 times for Chelsea in all competitions this season, playing a vital role in Chelsea winning the title and reaching the FA Cup final.
He was rested by head coach Antonio Conte for the 4-3 victory over Watford on Monday Night Football, and could once again be absent from the squad for the final Premier League match of the season against Sunderland with the FA Cup final in mind.
Chelsea take on Arsenal at Wembley on May 27.