3 ▁Second ▁League ▁of ▁FR ▁Y ug oslav ia ▁with ▁teams ▁from ▁Ser bia ▁and ▁Mont en eg ro ▁but ▁soon ▁got ▁re leg ated ▁to ▁the ▁Ser bian ▁League ▁East . ▁ ▁The ▁club ▁was ▁always ▁re lying ▁on ▁R TB ▁Bor ▁for ▁finan cing ▁and ▁the ▁decl ine ▁of ▁co pper ▁production ▁in ▁the ▁' 9 0 s ▁due ▁to ▁the ▁country ' s ▁economic ▁isol ation ▁took ▁its ▁to ll ▁on ▁FK ▁Bor ▁as ▁well . ▁Bor ▁saw ▁its ▁last ▁period ▁of ▁playing ▁in ▁the ▁national ▁football ▁level ▁in ▁the ▁late ▁ 9 0 s , ▁playing ▁in ▁the ▁Second ▁League ▁of ▁Ser bia ▁and ▁Mont en eg ro ▁between ▁ 1 9 9 6 ▁and ▁ 2 0 0 1 . ▁ ▁Fin an cial ▁strugg les ▁in ▁recent ▁years ▁and ▁lower ▁league ▁football ▁( 2 0 0 0 s ▁and ▁ 2 0 1 0 s ) ▁▁ ▁Over ▁the ▁last ▁two ▁dec ades , ▁Bor ▁has ▁been ▁struggling ▁between ▁Ser bian ▁League ▁East ▁and ▁the ▁Ser bian ▁Zone ▁League ▁( 3 rd ▁and ▁ 4 th ▁competition ▁level ) ▁even ▁sp ending ▁a ▁season ▁in ▁the ▁Bor ▁District ▁league ▁( 5 th ▁level ). ▁In ▁ 2 0 1 2 , ▁while ▁playing ▁in ▁the ▁ 4 th ▁league , ▁the ▁club ▁changed ▁its ▁name ▁to ▁OF K ▁Bor . ▁In ▁ 2 0 1 7 , ▁after ▁re leg ation ▁from ▁the ▁Zone ▁League , ▁club ▁fol ded ▁due ▁to ▁financial ▁difficulties . ▁The ▁next ▁year