Plenty of players have moved between rivals, but who are the 15 most notable names to do it?
Who is the greatest player of all time? Ronaldo Nazario has named eight in a 'very special group.'
Ronaldo is just one of a number of iconic forwards that miss out
The best signing ever was actually a free transfer
Lots of strong candidates, but there's only one winner in Ronaldo's eyes...
A look at what happened to the 24 players who featured in Nike's epic 'Secret Tournament' from 2002
Real Valladolid's president Ronaldo has expressed his anger as footage of the decision goes viral
Karim Benzema has been ranked as Real Madrid's 13th greatest ever player, with Cristiano Ronaldo at the top
The greatest Champions League XI has been named by AI Tool ChatGPT. Cristiano Ronaldo and Lionel Messi feature.
Ronaldo bumped into Messi at FIFA's The Best awards and immediately showed his class
Ronaldo Nazario selects his greatest XI ever - includes Lionel Messi, Diego Maradona and Pele but not Cristiano Ronaldo.
Ronaldo Nazario picked an unstoppable all-time XI in 2016 - but there was no room for Cristiano Ronaldo.
Football fans have ranked the 25 best players of the 2000s. Cristiano Ronaldo, Lionel Messi, Zinedine Zidane and Ronaldinho all feature.
Ronaldo Fenomeno was hailed by Jose Mourinho as the greatest player he'd ever seen.
Pele obviously made the Ballon d'Or Dream Team? But who joins the late great?...
Thierry Henry's response when asked to name the 'real Ronaldo' was emphatic
When it comes to international goals for club and country, Cristiano Ronaldo is clear of Lionel Messi
Robert Lewandowski is the 20th winner of the Golden Foot Award. It's so tough to win that even Lionel Messi hasn't won it... yet.
Here are the top 5 players with the most Brazil international goals ever, including global icons and World Cup winners.
The 25 greatest footballers of all time have been named - Messi, Ronaldo or Maradona?