The Portuguese Golden Ball (known in Portuguese as A Bola de Ouro) is an annual award given, by Portuguese newspaper A Bola, to the player who is adjudged to have been the best of the year in the Primeira Liga. The first winner of the award was Eusébio, in 1991. It was a career award but since then the award was given to the best player in the league.
Portuguese Golden Ball Wikipedia
The prize is given out by Portuguese newspaper A Bola to the best player in the Portuguese Liga.
The award has been presented on 12 occasions as of 2010, with 9 different winners. Between 2001 and 2008 the Portuguese Golden Ball was not awarded.