The Paris Saint-Germain forward told a court on Tuesday that he didn't participate in the negotiations over his transfer to Barcelona, but had signed what his father had told him.
After a complaint was brought by a Brazilian investment group about the amount of the player's transfer, representatives for both Barcelona and the Brazilian team appeared in court.
Along with his parents, representatives of the two clubs and a former president of the club, the 30-year-old is on trial for fraud and corruption.
The defendants denied wrongdoing.
I didn't take part in the talks. My father takes care of it all the time. In his first testimony in the trial that began on Monday, Neymar said he signed everything he was told to.
I always wanted to play for Barcelona.
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The Brazilian investment firm DIS is alleged to have lost out on its rightful cut from the transfer because the value of the deal was overstated.
It is not a crime in Brazil to be accused of an offense.
If found guilty, the father and son could face prison time. They could be fined more than 10 million dollars.
Rosell could be sentenced to five years in prison and be fined 8 million.
According to a court document released in July, Barcelona paid the player 40m in order to prevent other clubs from signing him after his contract withSantos expired.
In order to prepare a career plan for him in Europe, in which we had already established, we signed that priority agreement with them.
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Representatives and former figures at the clubs have yet to give their evidence. They had the right to not testify but they decided to answer questions from the prosecutor and themselves.
Florentino Perez told the court that Real Madrid made offers of 45m and 36m in the past but the player chose to join Barcelona.
According to a statement from the law firm, it will argue that the Spanish courts don't have jurisdiction because of the transfer involving a Brazilian national.
Competition rules don't apply to the transfer market, according to the lawyers.
The trial is expected to last until the end of October, almost a month before the World Cup begins.