Kaka: Incredible Ronaldo just won't slow down
![Kaka: Incredible Ronaldo just won't slow down](http://static.goal.com/3243900/3243932_gallery.jpg)
![Real Madrid star Cristiano Ronaldo Real Madrid star Cristiano Ronaldo](http://static.goal.com/3243900/3243932_thumb.jpg)
The former Real Madrid attacker is amazed by the constant improvement of the 31-year-old Portuguese star and is impressed by his motivation
The former Real Madrid attacker is amazed by the constant improvement of the 31-year-old Portuguese star and is impressed by his motivation