$2.6 million for ticket to Ronaldo-Messi friendly - AS USA
FC Barcelona - La Liga: Similarities and differences between Cristiano's Real Madrid exit and Messi's possible departure from Barcelona
Lionel Messi vs. Cristiano Ronaldo: An era-defining rivalry and a final shot at World Cup glory - CNN
Messi vs Ronaldo - The Greatest Rivalry Once Upon A Time In El Clasico
Lionel Messi vs Cristiano Ronaldo: Comparing their records in 2023
Adidas issues Lionel Messi statement after it was reported that Nike were happier to keep Cristiano Ronaldo
Ronaldo: Messi rivalry changed football history but is gone - ESPN
A legacy left behind: Lionel Messi, Cristiano Ronaldo and a battle for international supremacy
Lionel Messi, Cristiano Ronaldo and the World Cup stars with one last shot at glory
Cristiano Ronaldo hails Lionel Messi: 'The rivalry is over' - NBC Sports
GOAL50 2021 Head to Head: Messi vs Ronaldo
Cristiano Ronaldo Reflects on Rivalry with Lionel Messi: Mutual Respect Prevails, by sportsinsiderph, Sep, 2023
Cristiano Ronaldo vs. Lionel Messi: Career trophies, goals, stats and awards for football superstars
Comparing Lionel Messi's and Cristiano Ronaldo's records in 2023
Lionel Messi vs Cristiano Ronaldo: Comparing their records at age 35