Reports this week have suggested that Ronaldo could be about to call time on his record-breaking nine-year stay at the Bernabeu, with Juventus heavily linked with the Portugal superstar.
Modric, however, hopes - and thinks - that the 33-year-old will end up staying with the Spanish giants.
Speaking after Croatia's World Cup quarter-final win over Russia, Modric said in AS: "Let's see what happens. I don't think he's going to go and I would like him to stay because he's the best player in the world.
"He means a lot and hopefully he will stay."
The Croatia captain, who has won four Champions League titles alongside Ronaldo, added of Madrid's all-time record goalscorer: "I think he's going to stay, that's my opinion.
"It would be very good if he stayed because I can't imagine him in any other European team."
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