Cristiano Ronaldo - Wikipedia
Messi, Ronaldo to make their final showdown at Qatar 2022
Lionel Messi vs Cristiano Ronaldo: Head-to-head history, records and stats
11 years ago today, Messi and Ronaldo gave us an iconic El Clásico : r/Barca
Lionel Messi - Wikipedia
Lionel Messi vs. Cristiano Ronaldo: An era-defining rivalry and a final shot at World Cup glory - CNN
Lionel Messi - Wikipedia
Messi, Ronaldo and Soccer's Golden Sunset - The New York Times
Cristiano Ronaldo - Wikipedia
Lionel Messi set for Ballon d'Or but Neymar threatens the old duopoly, Ballon d'Or
Cristiano Ronaldo vs. Lionel Messi: Career trophies, goals, stats and awards for football superstars
Xavi explains how Ronaldo made Messi 'a better player' during rivalry that delivered 12 Ballons d'Or
Lionel Messi - Wikipedia