The burly centre-back has moved for an undisclosed fee, believed to be in the region of 5million euros.
The 26-year-old turned down an offer from Russian giants Zenit St Petersburg earlier this week, preferring to stay in France.
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms