Italian super agent Enzo Bronzetti is convinced Inter Milan fullback Douglas will eventually join Real Madrid this summer.
Inter president Massimo Moratti is reluctant to lose his Brazil international.
But Bronzetti says: "Real Madrid wants Maicon and Inter could sell him. But the price difference is substantial.
"Probably, Moratti does not want to sell and is quoting a figure that is beyond even Real. It's true that the right-back is the world's best, but the price is not genuine because of his age.
"You must pay for Maicon, but not go mad. It will take time, you can see the situation. In the end I think he will move."