This is a difficult question as popularity depends on how you define it.
Ronaldinho Gaucho Biography on the International stage continues with his first World Cup appearance in 2002 where he scored two goals in five matches and also earned a red card during the quarter final where he also scored a winning goal before being sent off.
His unveiling for the new club on 13th January, 2011 was greeted by more than 20,000 fans according to Ronaldinho Gaucho Biography.
He was part of the first Brazilian team to win the FIFA U-17 World Championship in 1997.
It is important to mention a fact that Ronaldinho scored in every single match expect the final.
La Directiva lo tiene claro y ayer trató el tema en la reunión ordinaria.