Lyon have completed the signing of Mouhamadou Dabo from Sevilla on a four-year contract.
The 24-year-old arrives for a fee of 1million euros, with a further 800,000 euros in possible add-ons.
Senegal-born Dabo has prior experience of life in Ligue 1 having spent time with St Etienne before moving to Spain.
Lyon are happy to have got their man and have revealed that their latest capture is likely to accelerate the departure of Lamine Gassama.
"Aged 24, Mouhamadou Dabo is a versatile player who can play on both sides of the defence," read a statement released by the club.
"His arrival strengthens the defensive section of the team and anticipates the likely departure of Lamine Gassama."