They won only one before the Leading League was set up, though another 5 in their league titles came for the duration of Roman Abramovich's ownership. The Blues haven't won a league title considering that 2017 when Antonio Conte was in charge, that has a higher fluctuation inside their league https://howmanytimeshaschelseawon85284.answerblogs.com/39854003/how-many-times-has-chelsea-won-the-champions-league-things-to-know-before-you-buy