Who is successful sports person Messi or Ronaldo? - Quora
Jose Mourinho explains why Cristiano Ronaldo and Lionel Messi are not best ever, Football, Sport
Brazil legend Ronaldo omits Cristiano Ronaldo from his list of football's greats with the Manchester United star snubbed for rival Lionel Messi as well as Pele, Ronaldinho and Diego Maradona
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Was Ronaldo Nazario in his prime better than Lionel Messi? - Quora
Brazil legend Ronaldo omits Cristiano Ronaldo from his list of football's greats with the Manchester United star snubbed for rival Lionel Messi as well as Pele, Ronaldinho and Diego Maradona
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World's top two soccer players are missing something - Los Angeles Times
Cristiano Ronaldo vs Lionel Messi: who was the greatest footballer?