Chelsea are also following the 29-year-old wing-back as Thomas Tuchel likes him. It had been reported previously that the Blues wanted him as a replacement for Cesar Azpilicueta.
Clauss has a contract until 2023 and is valued at €12m by Transfermarkt.
In the 20221/22 season, the Frenchman recorded five goals and 11 assists in 40 matches for Lens.
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