Ronaldo admits he will choose Real Madrid over Barcelona every time.
The retired striker played for both clubs in a stellar career.
Asked who he would join if he was ten years younger, Ronaldo replied: "Sandro (Rosell) is a friend, he knows this, but the relationship I have with Florentino (Perez) ... I will always choose Florentino."
Asked for an opinion on Real Madrid boss Jose Mourinho and Barcelona's Guardiola, Ronaldo also told AS: "Mourinho. He stayed in Barcelona where he helped (Sir Bobby) Robson.
"I know him well, he is a great person, happy and fun."
