Chelsea will struggle to to take the next step next season if they sell Cesc Fabregas, insists the club's former midfielder Ray Wilkins.
The future of the Spanish playmaker has been the subject of intense speculation in recent weeks after a season where he has played only a limited role under Antonio Conte.
But Wilkins believes selling the 30-year-old would be a retrograde step when they return to the Champions League next season.
Speaking to Sky Sports, the Blues' former assistant to Carlo Ancelotti maintained: 'You can't let him go.