The report states that the former Paris St-Germain manager ‘dreams' of signing the 24-year-old Ivory Coast international.
Defence is an area that the Blues are looking to strengthen in the summer but are also aware that they need to shift players in order to make room.
The squad is already too big and the 47-year-old may have some decisions to make, while also after a summer splurge that set the Blues back by over £200m, there is a need to boost some funds.
Chelsea have a stacked midfield, with Jorginho another player to be given a new lease of life since the changing of the manager.
He and Mateo Kovacic appear to be first-choice, with N'Golo Kante and Billy Gilmour acting as deputies.
This article was most recently revised and updated 2 years ago