Mateus Alberto Contreiras Gonçalves (born 7 March 1983), commonly known as Manucho, is an Angolan professional footballer who plays for Spanish club Rayo Vallecano as a striker.Manucho moved from Petro Atletico to Manchester United in January 2008. Before playing a game for United, however, he was loaned out to Greek side Panathinaikos for the remainder of the 2007–08 season, due to issues with obtaining a UK work permit.