Chelsea are working to sign a new left-sided centre-back in the January transfer window with Monaco's Benoit Badiashile the leading candidate, according to The Athletic's David Ornstein.
The west London club still withhold an interest in RB Leipzig's Josko Gvardiol, however, it is believed that the Blues would have to pay a record fee for a defender in excess of £80million to secure the Croatian's services after the 20-year-old's impressive exploits at the World Cup.
This may mean that head coach Graham Potter will have to seek for alternatives should the youngster's valuation continue to appreciate.
