The former Blues boss believes that the Premier League championship should fend off interest from the Liga giants and keep the Belgian
Ruud Gullit has urged Chelsea to snub Real Madrid's approaches for Eden Hazard and keep the star attacker in the Premier League.
Hazard has helped Antonio Conte's men claim the title this season, contributing 15 league goals and five assists in 35 appearances.
Although he is contracted until 2020, the Belgium international is consistently linked to Madrid.
Dutch great Gullit, a former Chelsea manager, said it would be huge if the club managed to hold onto Hazard.