The 24-year-old is set to leave in the summer, with speculation linking him to newly promoted Premier League side Leicester City.
Tutto Mercato Web state that Pereira is a priority target for the Foxes and will be the subject of a bid very soon.
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Gil Vicente did not want to sell him in the winter, but may be more willing to talk this summer.
They are said to be seeking a fee of around 7 million for the Brazilian in the off-season.
Vicente, who has two years on his contract, is wanted by Benfica, Braga, Lyon and Udinese.