Courtois stalling over signing a new contract

Courtois (25 years) who has joined Chelsea in 2011 has developed his talent over the years to become one of the best goalkeepers around the world.
Now that Romelu Lukaku is most likely to join Chelsea , Courtois has been stalling signing his new deal ( has 2 years remaining £80.000 weekly ) and he seeks a deal in line with the top earners at the club .

Lukaku deal is rumored to be worth in £200.000 weekly