Real Madrid soccer star Cristiano Ronaldo and Manchester United manager Jose Mourinho have been accused of tax avoidance, according to claims based on a huge document leak.

They allegedly avoided paying tax on millions of dollars of earnings by moving large sums to the British Virgin Islands.

The allegations are said to be based on two terrabytes of leaked information which include original contracts.

Both of them deny the claims.

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Soccer agency Gestifute, which represents Cristiano Ronaldo and Jose Mourinho, said in a statement: “Both Cristiano Ronaldo and Jose Mourinho are fully compliant with their tax obligations with the Spanish and British tax authorities.

“Any insinuation or accusation made to Cristiano Ronaldo or Jose Mourinho over the commission of a tax offence will be reported to the legal authorities and prosecuted.”

The claims were published by an international consortium of journalists which obtained a trove of about 18 millions documents. Other top players were named in the documents.

The European Investigative Collaborations (EIC) consortium includes German newspaper Der Spiegel, Spain’s El Mundo and the UK’s Sunday Times. It says it intends to publish a series of articles under the banner “Football Leaks” over the next few weeks.

The leak comes eight months after the so-called Panama Papers lifted the lid on how the world’s rich and powerful use tax havens to hide their wealth.

One of the newspapers in the consortium, the Dutch NRC, alleges that Cristiano Ronaldo moved €63.5 million ($67.7 million) to the British Virgin Islands at the end of 2014.

The paper says Cristiano Ronaldo received sponsorship fees which were moved via two Irish companies to the tax haven, 11 days before Spain changed an advantageous tax law.

The NRC says the striker has so far not responded to questions asked by the consortium.

According to El Mundo, the leaked documents relate to the time that Jose Mourinho spent as manager of Real Madrid, between 2010 and 2013.

Real Madrid, Cristiano Ronaldo’s current employer, did not respond to requests from news agencies for comment.

Manchester United said the allegations related to events before Jose Mourinho’s arrival at the club and so it would not comment.

Jose Mourinho is reported to have moved €12 million ($13.2 million) into a Swiss account owned by a British Virgin Islands company, according to the EIC.

According to the reports, December 2 first batch of leaks centered on “a system” put in place by Jorge Mendes, whose company has denied any wrongdoing.

Jorge Mendes’ company, Gestifute, said in a statement that neither Cristiano Ronaldo nor Jose Mourinho “have been implicated in legal proceedings of the tax evasion commission in Spain”.

Gestifute noted it had taken legal redress against claims of tax evasion and stressed it had always acted with “the highest degree of professionalism in relations with [its] clients and authorities”.

It accused the media consortium of operating in an “insidious” way concerning the stars’ tax obligations.