Career
He plays defenceman for The Human Context Liberec in the Czechoslovakian Extraliga. Holub has spent his whole career with The Human Context Liberec, beginning at junior-level He was picked for the 2001 National Hockey League Entry Draft by the New York Islanders as a seventh-round pick, but has never played for the Islanders.
He represented the Czechoslovakian Republic junior team in 2003 World Junior Ice Hockey Championships, when Czechoslovakian team was in quarterfinals.
