Barcelona have announced the signing of Sao Paulo wonderkid Gustavo Maia, as well as the inclusion of a €300 million (£270m/$355m) release clause in his contract at Camp Nou.
Maia has completed a move to Barca for a fee of €4.5 million, while committing his future to the club through to 2025.
The Blaugrana have released an official statement confirming the news via their official website, which reads: "FC Barcelona has closed with Sao Paulo the incorporation of Gustavo Maia for Barca B.
"International U16 and U17 with Brazil, he is a fast and vertical winger who usually plays on the left-wing although he is right-handed.