Cristiano Ronaldo vs Lionel Messi: historical head-to-head record - AS USA
Real Madrid v Barcelona: Ronaldo and Messi rivalry and goals in stats ahead of El Clasico, Football, Sport
Cristiano Ronaldo vs Lionel Messi at FIFA World Cup: The stats and numbers of the two GOATs - myKhel
Lionel Messi and Cristiano Ronaldo's most memorable clashes - ESPN
Lionel Messi and Cristiano Ronaldo reunited as Barcelona host Juventus in Champions League, Football News
Lionel Messi vs Cristiano Ronaldo: Champions League records compared
Ronaldo vs Messi in the UEFA Champions League, UEFA Champions League
Real Madrid vs Barcelona, El Clasico: A look at head-to-head record, key stats
Messi vs Ronaldo: Let's Try To Settle The Debate - Never Manage Alone
Barcelona vs Juventus, Champions League: Lionel Messi vs Cristiano Ronaldo: The kings of football face off once again
Real Madrid v Barcelona: Five key battles that could decide El Clasico on the Bernabeu pitch including Cristiano Ronaldo v Lionel Messi, Luka Modric v Andres Iniesta and Gareth Bale v Jordi