Grzegorz Kosok, Grzegorz Kosok (born 2 March 1986) is a Polish former professional volleyball player, a member of the Poland national team in 2011–2013, a participant at the Olympic Games London 2012, and the 2012 World League winner.
Kariyeri boyunca profesyonel voleybol arenasında önemli kulüplerde ve organizasyonlarda forma giymiştir.
