As the best midfielder Kante is still highly regarded by opponents even though the Frenchman is now 31 years old and has entered the final year of his contract at Stamford Bridge.
Kante still has the power that makes him still able to maintain the stability of the team's game. Chelsea's midfield is very helpful when he is in the line-up.
As a defensive midfielder who can go up and down to help the team, Kante is still very much needed by the team. He would be welcomed immediately by other clubs if Chelsea sold him.
Extending a contract with a duration of more than two years is good enough for Chelsea to do to him.