The Former Los Blancos chief believes that hard work that the Portuguese put on every day has been central to his Sparrow to becoming the world’s best player.
According to the former Real Madrid director Of Football, Arrigo Sacchi Portuguese man is not as naturally talented as his Brazilian namesake, his hard work increases him to the status as the World’s best player.
The Brazilian Ronaldo led the Real Madrid attack during the mid-2000s Sacchi’s brief time, in his five-year tenure at Real Madrid he has made 177 appearances for the Real Madrid side and scored 104 goals for them.
Sacchi believes that the Portuguese’s dedication has earned him the longevity.
He applause the four time Ballon d'Or as an "an exemplary professional".
He added: "I once went to meet Carlo Ancelotti when he was at Real, and do you know who was there working out an hour and a half before training? Cristiano Ronaldo,"
"The other Ronaldo, the Brazilian, had more quality but he didn't last as long because he was looking for privileges, he didn't want to run much.
"Cristiano Ronaldo is an exemplary professional, cognitive psychology teaches us that you're not born with talent, it's something you have to work at every day
"That's how he is. He raises Real up, Real raise him up."
In the recent future, Madrid will tackle their arch rivals Barcelona in the Supercopa de Espana across two legs.
The first leg will be held at Camp Nou on this Sunday and the Second one will be held at Bernabeu on Wednesday.