Atletico Madrid and France forward Antoine Griezmann has named Ajax starlet Frenkie de Jong as the most challenging player he has come up against.
De Jong, who has agreed to join Barcelona from the Dutch giants in the summer, is rated as one of the best prospects in world football and shone for the Netherlands when they beat France 2-0 in November.
Griezmann was impressed, and despite having played in some of the biggest matches in the game, the Frenchman said the 21-year-old stands out.
"I would say De Jong from Ajax because I tried to put pressure on him and never succeeded.