A study carried out by the Portuguese Institute for Marketing and Administration claims the increased value of the CR7 brand after a successful 2016 for the player.
Lionel Messi 'accepts' two-year offer worth almost £1bn - double Cristiano Ronaldo's deal - Daily Star
Cristiano Ronaldo Can Draw Line under Superstar Era with International Record
The 'Cristiano Ronaldo' brand doubles its value in two years - AS USA
Thanks, Cristiano Ronaldo, Our Haircut Hero - WSJ
Cristiano Ronaldo leaves Real Madrid for Juventus - The Globe and Mail
Mark Carey, The Athletic] Does Cristiano Ronaldo make teams better or worse? : r/soccer
List of career achievements by Cristiano Ronaldo - Wikipedia
Last Dance: Ronaldo, Messi likely playing at last World Cup
Saudis play the long game in making Ronaldo, other elite athletes obscenely rich - The Globe and Mail
Ronaldo double as Real Madrid win five-goal thriller at Betis
