Željko Mavrović is a retired male boxer from Croatia turned enterpreneur. Željko Mavrović was born in Zagreb, in the neighbourhood Srednjaci (which is the source of his nickname "Šaka sa Srednjaka" or "Fist from Srednjaci"). As an amateur boxer, Mavrović was the Mediterranean champion in 1991 and Croatian champion in 1991 and 1992. Wikipedia
The definitive Wikipedia entry for Željko Mavrović. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/%c5%bdeljko_Mavrovi%c4%87