Cristiano Ronaldo meets former Real Madrid star after Man Utd's win over Arsenal
Kaka will stay at Real Madrid says Perez
Así gana el Madrid: the tactical identity of the greatest club in the world, by Clarissa Barcala
Considering his records with Juventus and now Manchester United, did Cristiano Ronaldo make a mistake by leaving Real Madrid? - Quora
Kaka admits the day he left Real Madrid was the 'best memory' of his time at the club
World Cup free agents: What's it like for Cristiano Ronaldo - ESPN
Madrid icon Casillas calls for 'vintage Clasico when nightmare ends' but which Real and Barca stars would make it? – The Sun
Everything you thought you knew about Ronaldo is wrong, The Independent
Revealed: the loans Real Madrid took out after Kaka and Ronaldo deals, Real Madrid