The versatile stopper was injury during France’s friendly against Russia during the international break, with MD reporting that he had ruptured the medial meniscus in his right knee.
The defender will undergo arthroscopic surgery which will determine the nature and the extent of the treatment he requires.
In the best case scenario, he will be out for a month and a half—giving him a slight chance of representing France at Euro 2016 [according to MD]—while he also risks being ruled out for the rest of the season, which would end his hopes of featuring for Didier Deschamps’ selection on home soil this summer.
Mathieu enjoyed a fairly undistinguished career in French football—with the likes of Sochaux and Toulouse—before moving to Valencia in 2009.
He impressed at the Mestalla, receiving international honours with France in 2011, before moving to Barcelona in 2014.
Valencia urge Mourinho to FORGET Manchester United & replace Gary Neville
Real Madrid international wants Barcelona ‘revenge’ after El Clasico thrashing
Yaya Toure latest: Man City vet poised for move to Champions League foes
His absence from the national side could come as a boost to the likes of Eliaquim Mangala and Loic Perrin, who missed the last France squad but would be natural candidates to replace the 32-year-old.