Born in Santo Tirso, Grosso is a youth prospect of C.D.
Aves, arriving as a 9-year-old, and representing them until 2004, when he moved to Académica de Coimbra to finish his youth development.
He wasn't given a contract at Académica, so he returned to Desportivo de Aves, debuting on 7 May 2006,in an away draw against Estoril-Praia, for the 2005–06 Liga de Honra.
[1] In 2006, he was loaned to Leça in the fourth tier, but only made one appearance, returning to Aves in the following season, to become a regular starter.
This biographical article related to a Portuguese association football midfielder is a stub.