Anticipating the Messi vs Ronaldo 'Face Fight': A Look at Their Iconic Rivalry
FC Barcelona - La Liga: Similarities and differences between Cristiano's Real Madrid exit and Messi's possible departure from Barcelona
Cristiano Ronaldo vs. Lionel Messi: Career trophies, goals, stats and awards for football superstars
Lionel Messi vs. Cristiano Ronaldo: An era-defining rivalry and a final shot at World Cup glory - CNN
Messi vs. Ronaldo: The defining rivalry of the decade
The Saudi Exhibition Game That Turned Into Messi and Ronaldo's Final Showdown - WSJ
Adidas issues Lionel Messi statement after it was reported that Nike were happier to keep Cristiano Ronaldo
Lionel Messi vs. Cristiano Ronaldo: An era-defining rivalry and a final shot at World Cup glory - CNN
Opinion: Ballon d'Or could lose relevance in post-Lionel Messi/Cristiano Ronaldo era, and that's a good thing - Eurosport
Lionel Messi, Cristiano Ronaldo and the World Cup stars with one last shot at glory
Lionel Messi vs. Cristiano Ronaldo: An era-defining rivalry and a final shot at World Cup glory - CNN
Cristiano Ronaldo and Lionel Messi: The eternal rivalry