Lionel Messi talks special duel with Cristiano Ronaldo
It's Messi vs Ronaldo again in unlikely Saudi reunion
Barcelona Rejected Cristiano Ronaldo In 2003 Because Of Ronaldinho
2 Incidents When Cristiano Ronaldo Almost Signed For FC Barcelona
PSG snub 'difficult' Ronaldo signing as club president wishes 'fantastic' free agent all the best
Cristiano Ronaldo and the other stars who ended their careers at lesser-known teams
Wenger says he almost signed Ronaldo and hints at surprising story behind winger's United move, Soccer
Barcelona snubbed chance to sign Cristiano Ronaldo in 2003 signing Ronaldinho instead - Daily Star
Barcelona and Madrid face uncertainty ahead of Spanish league season. Atletico could take advantage
Cristiano Ronaldo - Wikipedia
On This Day in 2009: Cristiano Ronaldo Signs for Real Madrid from Manchester United - Sports Illustrated
Messi: 20 years, 20 records
Cristiano Ronaldo almost signed for Barcelona, says former president Joan Laporta, Football News
Barcelona offered opportunity to sign Cristiano Ronaldo from Man United
If Ronaldo had joined Barcelona after United, would a Messi-Ronaldo combination be the deadliest in the world of football? - Quora