Wolves have asked about Lens right back Jonathan Clauss, 29, who also has interest from Chelsea and Manchester United.
The defender has enjoyed a brilliant two years while climbing up the French leagues and has four caps for France since the turn of the year
Last season he played 37 times in Ligue 1, scoring five goals and providing 11 assists for his team-mates, displaying his attacking talents.
Marseille have reportedly had a €5million (£4.2m) plus bonuses offer rejected for Clauss, who is in the final year of his contract.