Bayern Munich winger Franck Ribery feels Antoine Griezmann needs to perform at the highest level over a longer period of time before he can be described as a world-class player.
Griezmann has developed into one of the game's brightest talents since joining Atletico Madrid in 2014 and is among the favorites to win the Ballon d'Or following an impressive Euro 2016 campaign with France.
READ MORE: Ribery says he is not a dirty player
Nevertheless, Ribery feels his compatriot still has work to do before he can match the very best.
"Griezmann did a great job last season," Ribery told Sport Bild.