The 22-year-old has emerged as Chelsea's top defensive target after a fine season in Andalusia.
"He's (Kounde) a fantastic player," former Blues centre-back Lebeouf has told ESPN.
"He has everything. He is a warrior. He never gives up. He has everything. He is the future for sure.
"Maybe it's an opportunity for Chelsea to get him maybe not this season, but next season.
"I don't know what Kounde wants to do in his life, if he's ready to be on the bench more than he thinks he will be. It's up to him. It would be a good signing for Chelsea."
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