Once Brothers is a 2010 documentary co-produced by ESPN and NBA Entertainment for ESPN's 30 for 30

30 for 30

30 for 30 is the umbrella title for a series of documentaries airing on ESPN and its sister networks. The series, which premiered in October 2009 and concluded in December 2010, chronicles 30 stories from the "ESPN era," each of which detail the issues, trends, people, teams, or events that...

 series. The documentary is a story about the relationship of two famous basketball players from the former Yugoslavia

Former Yugoslavia

The former Yugoslavia is a term used to describe the present day states which succeeded the collapse of the Socialist Federal Republic of Yugoslavia....

; Vlade Divac

Vlade Divac

Vlade Divac is a retired Yugoslav and Serbian professional basketball player who spent most of his career in the NBA. At , he played center and was known for his passing skills...

 (Serbia

Serbia

Serbia , officially the Republic of Serbia , is a landlocked country located at the crossroads of Central and Southeast Europe, covering the southern part of the Carpathian basin and the central part of the Balkans...

) and Dražen Petrović

Dražen Petrovic

Dražen Petrović was a Yugoslav and Croatian professional basketball player. A shooting guard, he initially achieved success playing professional basketball in Europe in the 1980s before joining the American NBA in 1989...

 (Croatia

Croatia

Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...

). They were once as close as brothers, yet the war in former Yugoslavia tore them apart (since they came from opposing sides) and they no longer communicated. Petrović then died in an automobile accident, thus preventing the two friends from ever healing old wounds.