Bayern Munich winger Frank Ribery said that his French countryman Antoine Griezmann is not a world class player yet, although the Atletico Madrid forward had a great football season.
Ribery, in interview with German Sport Bild magazine on Wednesday, explained that Griezmann has to maintain this level for a decade to be a world class player, reports Efe.
The Bayern Munich player criticised the calls for granting the FIFA Ballon d'Or to any player who had a single impressive season.
Ribery added that he had a constant level in the last 10 years, although he had suffered injuries over the last nine months.
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