Center back who played for Lille from 2007 to 2011 and Valencia from 2011 to 2014. He became a member of the French national team in 2010 and helped the team win the 2018 World Cup.
He debuted professionally for Frejus in 2003 after spending about a decade in the club's youth system.
He was sent on loan to A.C. Milan in 2014.
He was born in Bastia, France.
He became teammates with Karim Benzema on the French national team.