The 39-year-old played for the Blues in the 1999/2000 season and as a manager led Monaco to the 2004 Champions League final before guiding Juventus back to Serie A after they had been relegated following the match-fixing scandal.
However, he resigned in May 2007 and has now told Monaco-based radio station RMC: "Three or four managers are on the list and I am one of them. It would be hard to refuse Chelsea. I want to return to coaching."
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