weig . ▁With ▁a ▁transfer ▁fee ▁of ▁ 1 . 1 5   mill ion ▁DM ▁this ▁was ▁the ▁h ither to ▁most ▁expensive ▁new ▁purchase . ▁From ▁Herzog ena ur ach ▁came ▁L oth ar ▁Matth ä us . ▁Bor uss ia ▁finished ▁the ▁season ▁in ▁sevent h ▁place . ▁On ▁ 7 ▁May ▁ 1 9 8 0 ▁Bor uss ia ▁M ön ch eng lad bach ▁was ▁again ▁in ▁a ▁final ▁for ▁the ▁UEFA ▁Cup . ▁At ▁home , ▁the ▁team ▁won ▁against ▁E int racht ▁Frankfurt ▁ 3 – 2 . ▁In ▁the ▁second ▁leg ▁on ▁ 2 1 ▁May ▁ 1 9 8 0 ▁E int racht ▁Frankfurt ▁won ▁ 1 – 0 ▁against ▁Bor uss ia ▁M ön ch eng lad bach ▁and ▁secured ▁the ▁tro phy ▁due ▁to ▁the ▁larger ▁number ▁of ▁away ▁goals ▁scored . ▁▁ 1 9 8 0 – 1 9 9 6 : ▁S low ▁down ▁ ▁In ▁the ▁ 1 9 8 0 s , ▁Bor uss ia ▁could ▁no ▁longer ▁build ▁on ▁the ▁titles ▁of ▁the ▁past ▁de cade ▁and ▁fell ▁behind ▁of ▁the ▁former ▁rival ▁from ▁Mun ich . ▁Due ▁to ▁the ▁lack ▁of ▁ticket ▁re venue ▁from ▁the ▁small ▁B ö kel berg stad ion ▁the ▁club ▁had ▁to ▁sell ▁top ▁perform ers ▁again ▁and ▁again . ▁Nevertheless , ▁it ▁was ▁possible ▁to ▁sett le ▁frequently ▁in ▁the ▁upper ▁third ▁of ▁the ▁Bundes liga ▁and ▁play ▁in ▁the ▁championship ▁fight . ▁In ▁the ▁ 1 9 8 0