Arsenal transfer target Dayot Upamecano has been given a glowing reference ahead of the summer battle for his services - by new RB Leipzig team-mate Dani Olmo.
Upamecano has long been on the Gunners radar and is being tipped to be the man to partner fellow Frenchman William Saliba at the heart of a new-look defence next season.
Barcelona have also been linked with a move for the 21-year-old, who has starred at the heart of the tightest defence in the Bundesliga this season.
And Spanish star Olmo, who joined in January from Dinamo Zagreb, admits he has been left in awe of Upamecano, branding him the "future of France" and hailing him as a "complete" defender.
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