The Tottenham midfielder is part of one of the most talented Belgium squads ever assembled, currently ranked the third best team in the world by Fifa.
"[Thomas] Vermaelen, [Jan] Vertonghen, [Anthony] Vanden Borre... But I insist: the greatest talent is Mousa Dembele," Sonck told HLN.
"Some may say they want Eden or De Bruyne, but Mousa has the most qualities – it's not normal how strong he is on the ball. I've seen him during training turn Kompany into a fool."
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