Arsenal and Manchester United target Vitinha will only be sold if his release clause is met, according to Porto presidentPinto da Costa.Mikel Artetas side have been heavily Washington Wizards Hoodie linked with Leicester City midfielder Youri Tielemans in recent weeks.But Porto star Vitinha has emerged as a potential alternative as Arteta looks to bolster his midfield, which already includes Granit Xhaka, Thomas Partey and Martin Odegaard.Reports in Portugal suggested Arsenal are the only club willing to meet the Portugal internationals35million release clause.United are Otto Porter Jr. Jersey also said to be interested, with Barcelona among those attempting to secure the midfielders services should they be able to ease financial difficulties.Da Costa, speaking to reporters Troy Brown Jr. Jersey on Wednesday, revealed Porto have received an unsatisfactory bid for Vitinha, who will only be allowed to leave should his release clause be met.There was a concrete offer, of considerable value, for Vitinha that we did not accept,he said.And we referred them to the release clause, which is the only way to take our Washington Wizards T-Shirts player.Arteta is also in the market for a striker, with Gabriel Jesus and Victor Osimhen among the names being linked to the Emirates Stadium.That is after Arsenal lost Alexander Lacazette to Lyon on a free transfer and Pierre-Emerick Aubameyang to Barcelona in January, while Eddie Nketiah is yet to agree to a new contract.Whoever the talisman is that Cassius Winston Jersey Arteta manages to capture, Vitinha will provide capable creative support from midfield.The 22-year-old played 30 games in the Portuguese Primeira Liga this season, ranking second among Porto players for succe sful pa ses (1,680) and third for chances created (42).