Celtic have slapped in a bid of €5.5m to sign young defender Jean-Kevin Duverne.
Just 19 years old, Duverne has caught the eye with his performances in the French second tier with Lens, where he clocked up 37 appearances in the recently concluded campaign.
Celtic are alive to Duverne's talents and, according to French sports daily L'Equipe, have upped the ante in the chase for his signature by making a bid of €5.5m.
It is unclear whether Lens will accept the bid, while Duverne is also being chased by a number of other clubs.
The young defender, who operates as a centre-back, has a further two years left on his contract at Lens.
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Lens finished just outside the promotion spots in Ligue 2, one point shy of third placed Troyes, who entered the promotion playoff, and second placed Amiens.
Strasbourg won the Ligue 2 title with just two more points than Lens.
Duverne did his bit to help Lens keep a tight defence, with just 40 goals conceded in 38 games.
