Brazilian football star Neymar is one of the hardest world players to hold back.
However, the 27-year-old striker told the press who gives him the most trouble on the field.
"The best player I've ever had to play against? Sergio Ramos.
Why? The Spaniard is a great center-back, and not only that, he can also score goals.
It's very difficult to play against S. Ramos," Neymar said, speaking about another "Real" player Vinicius's future.
"He is still young and in front of him - many great seasons. Vinicius will become one of the best football players on the planet and will compete for the 'Golden Ball'."