The French defender is out of contract next year and looks unlikely to be offered an extension.
The 30 year old has struggled to recover from a broken leg suffered last year and his form has been patchy.
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Summer 2016 is set to be a very exciting time for football fans, as this is when the long awaited Euro 2016 tournament kicks off.
Since Guus Hiddink arrived at the helm, Chelsea have improved considerably after a tricky start to the campaign.