Moratti said: "We know the value he has. It was not difficult to predict he would become the strongest wing-back in the world.
"We have been watching him for three years and our success depends on him."
Moratti added: "We're strong and in every position. Indeed, we're now reinforced with Diego Milito and Thiago Motta. The percentages for Maicon and Ibra (Zlatan Ibrahimovic) staying? What percentage ...?"