Darijo Srna can understand Croatia teammate Luka Modric seeking a move away from Tottenham.
Modric is a target for Manchester United and Chelsea.
"He is one of the best in the world in his position," said Srna. "The quality of his passing is unbelievable. Not his ability to provide assists, but his ability to unsettle opponents.
"He could win the Ballon d'Or if he plays for a very big club. I have always said that to him.
"Chelsea want him, Manchester United too. Luka would also shine in Spain.
"At the moment it is difficult for him. I respect Tottenham and their great players, but they are a club that will never be crowned champions of England."
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