Amsterdam - The president of Dutch soccer club FC Twente has resigned after leaked documents revealed a deal with outside investors for the transfer of players.
Aldo van der Laan says he is leaving because doubts raised by an agreement with Malta-based Doyen Sports Investments were damaging the club.
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Twente says the Dutch soccer federation is investigating.
The Football Leaks website this week published a contract between Twente and Doyen. The deal was signed in 2014, before FIFA outlawed the practice known as third-party ownership.
Doyen agreed to pay the club 5 million euros ($5.3 million) for between 10 and 50 percent of the transfer fee rights for seven players.
FIFA banned third-party ownership as a threat to the integrity of the game because investors force transfers to make a profit.