The 17-year-old, hailed by some pundits as the new Kaka, will move from Internacional, the FIFA Club World Champions.
A statement posted on the www.acmilan.com website on Thursday evening confirmed a deal had been struck but did not disclose the terms.
Copyright (c) PA Sport 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms