The Guardian
Alex Bellos
When Brazil's celebrity footballers walk through the journalists' area at their training sessions and after games, one player is usually so attentive to the media and so eloquent you might mistake him for a press officer. It is not just that Kaka is white that sets him apart from the other three members of Brazil's magic quartet - Ronaldo, Adriano and Ronaldinho. It is that he has - so far - shown greater focus and application, on and off the pitch.
After the game against Croatia, for which he was named Fifa's man of the match, Ronaldo, Adriano and Ronaldinho fled the changing room to avoid speaking to the press (which is against Fifa rules). Kaka, on the other hand, responded with thought and good humour to questions: "A narrow victory is good to calm down fans who think that there will always be goals and a spectacle, because this thing that is said - that we are football's [Harlem] Globetrotters - is just not true."
Kaka scored the only goal of Brazil's opening game with a powerful left-footed drive from outside the area. His movement all over the field - helping out the defence, pushing forward and taking part in attacks - outshone his more high-profile collegues. "Kaka was the only corner of the magic square that worked," said the 1970 World Cup-winning captain Carlos Alberto. "The only way this tactical formation will be effective is if the players move around a lot. Ronaldinho tried to, but didn't manage. Ronaldo didn't do anything. Only Kaka managed to fit in."
Kaka's performance was not unexpected to those who have been following Brazil's preparations. He has been his country's form player in the run-up to the World Cup and scored with a magnificent long-range shot in the friendly against New Zealand after charging up half the field.
Mario Zagallo, Brazil's deputy coach, said that Kaka would be the player of the tounament. "I'm not going to sit on the fence, my money is on Kaka," he said. "He is on fire, is going through a brilliant phase and has a great number of strengths."
For those who remember his World Cup debut - he came on once in 2002, as a substitute in the 5-2 rout of Costa Rica - Kaka no longer looks like a skinny, floppy-haired choirboy and is instead one of the most physically imposing members of the squad. The 24-year-old was a late developer and has put on 2½st since he made his professional debut at 17.
Kaka's position as the whitest member of the team also reflects the fact that he is the most middle class. While Ronaldo gave up the chance to make it at Flamengo, Rio's biggest team, because he could not afford the bus fare, the young Kaka was not only driven to the Sao Paulo club, he was also a fully paid-up member of their sports and leisure centre.
Although almost all of Brazil's top players are black or mixed race and from the bottom of the social ladder, each generation usually throws up someone who is white and middle class: Tostao in the 1970 team, Socrates in 1982, and Rai and Leonardo in 1994. Like Kaka, the latter two emerged at Sao Paulo, which has a reputation as being the city's "aristocratic" club.
Yet Kaka's impeccable manners and dedication are not simply the result of going to private school. He is a devout, evangelical Christian and - in what must be a first for a footballer at his level - is proud that he was a virgin when he married in December last year. His wife, Caroline Celico, is the daughter of the woman who represents Dior in Brazil.
Kaka was born Ricardo Izecson dos Santos Leite in Brasilia, the son of a civil engineer. His nickname is a common Brazilian diminutive. The family moved to Sao Paulo when he was six and he started to use the leisure facilities at Sao Paulo, the club, when he was eight. At 12 he entered an open trial and was taken on at junior level.
Kaka transferred from Sao Paulo to Milan in 2003 for $8.5m (£4.59m) - "peanuts", according to the Italian club's owner Silvio Berlusconi. Within a month he was in the first team and he has held his place ever since. Few Brazilians arriving in Europe at such a young age have come good so quickly.
His boyish looks have meant that he has been equally successful in advertising work, although he refuses to work for drinks companies for religious reasons. One of his clients is Armani Jeans.
Kaka is two years younger than Ronaldinho and five less than Ronaldo, yet his discourse is frequently more mature. In comments at Brazil's Swiss training camp, he denied that he was tired after a long season. "The tiredness is more mental than physical, because you really focus on the Champions League, there is pressure. But I have prepared myself a lot for this World Cup. I am aware of its importance for my career and my future in the national team."
In the Croatia game, Kaka continued the industry and motivation he showed in Brazil's training games and friendly matches. With sudden bursts of power in midfield, combined with a delicate passing touch and great vision, he was part of his team's most threatening moves.
Afterwards, Kaka stated the obvious - that Ronaldo was not 100% - which, nevertheless, showed a willingness to speak more frankly than his team-mates. "I think we played at 75% of what we were capable," he said. "It wasn't what we hoped for but we will get better in the next games. The first game is always very tense. It is difficult to win and put on a show for the crowds. On Sunday [against Australia] everyone will be playing with more freedom, with more confidence."
While the Brazilian press tried to stoke up some controversy with his comments about Ronaldo, Kaka's lack of ego and abundance of tact makes it unlikely that he will fall out with any of his colleagues. Especially if the goals keep coming
even my dad called him "Maestro Kaká" 
but he's already good....
)said that the brazilian press thinks or knows that ronaldo is jealous of ronaldinho...actually i asked the same question as you..i said:"if he is jealous then wouldn't he play even better just to prove that he is better than ronaldinho" 
You're really a true star 