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However, things become clearer when you consider one of the advisors who has been guiding him over the past few weeks, Lemic.
The world governing body reached out to all relevant parties after allegations emerged that Lemic had pocketed money from the transaction through an artificially inflated transfer fee.
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However, they shut down the inquiry in February 2013, stating at the time: "After an investigation by FIFA TMS (Transfer Management System) into the allegations, it appears that there was no substantial involvement by Vlado Lemic in this transfer."
Throughout this period, Lemic had been climbing the football hierarchy
His web of connections was expanding rapidly across Europe, including at Real Madrid, who, with his assistance, included a £387 million ($525 million) release clause in Luka Modric's deal when he arrived from Tottenham in 2012.
In recent times, Lemic facilitated numerous transactions for Ajax, who have reportedly now followed PSV's example and prohibited him from their dealings
Interestingly, Lemic isn't officially a licensed player agent but rather sees himself as an adviser.
He collaborates closely with his brother Zoran, who is FIFA-licensed, and several other partners like Sven Mislintat, through whom official communication is usually made with clubs.
Gonzalo Gaitan, for instance, has been handling most of Isak's negotiations
Ultimately, it's clear that Lemic is a man who typically gets his way, earning a tidy sum for his advisory services along the way.
This approach is being tested to its limits with Isak, whose threat to go on strike permanently seems ill-advised given Newcastle is under no obligation to sell this summer, especially with their hunt for a replacement striker encountering numerous obstacles
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