Koscielny enthused: "He is a young player with a lot of experience. He's a good guy, he's listening.
"He knows his time will come. Yes, I feel that he grows, but they will have room soon. With Sam (Umtiti), I know they are there on the lookout, but I will try to continue a few months with the team of France."
Koscielny has confirmed he will retire after the World Cup from international football.
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