AZ claim to have a pre-contract agreement with the 26-year-old Brazil international, but Heerenveen have also agreed a deal with English Premier League outfit Middlesbrough - a move the player also favours.
A definitive verdict is yet to be decided but the provisional judgment said: "We find that he should go to AZ. But AZ are demanding a transfer as of right and that is tricky. One thing is certain: he hasn´t resigned at Heerenveen and is therefore also under contract there. It looks as if he has two contracts."
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