claim: One form of ground fighting is Brazilian jiu-jitsu.
evidence: Dragomir Vukobratovic -LRB- Serbian Cyrillic  : Дpaгoмиp Bукoбpaтoвић ; born May 12 , 1988 in Karlovac , SR Croatia , SFR Yugoslavia -RRB- is a Serbian footballer who currently plays for Ekstraklasa side Gornik Łeczna .. Karlovac. Karlovac. SFR Yugoslavia. SFR Yugoslavia. Gornik Łeczna. Gornik Łeczna. Serbian Cyrillic. Serbian Cyrillic alphabet. SR Croatia. SR Croatia. Serbian. Serbs. Ekstraklasa. Ekstraklasa. Dragomir Vukobratovic came up through the ranks at FK Vojvodina .. Vojvodina. FK Vojvodina. FK Vojvodina. FK Vojvodina