Nogometni klub Osijek (English: Osijek Football Club ), commonly referred to as NK Osijek ( Croatian pronunciation: [ôsijeːk] ), is a Croatian professional football club from Osijek . Founded in 1947, it was the club from Slavonia with the most seasons in the Yugoslav First League and, after the independence of Croatia in 1992, it is one of the four clubs that have never been relegated from the Croatian First League , with the others being Dinamo Zagreb , Hajduk Split and Rijeka .
