1990–91 UEFA Cup
Partizani Rapid Wien Admira Wacker R. Antwerp F.C
Anderlecht Y.R . K.V . Mechelen Slavia Sofia AC Omonia
FC Baník Ostrava FK Inter Bratislava Brøndby IF Vejle Boldklub
1 . FC Magdeburg Chemnitzer FC Aston Villa RoPS
Turun Palloseura Bordeaux AS Monaco Iraklis
PAOK FC MTK Hungária FC Ferencváros FH
Roma Atalanta Internazionale Bologna
Avenir Beggen Hibernians FC FC Twente Vitesse Arnhem
Roda JC Glenavon Rosenborg GKS Katowice
Zagłębie Lubin Benfica Vitória SC Sporting CP
Derry City Politehnica Timișoara Universitatea Craiova Petrolul Ploieşti
Hearts Dundee United Chornomorets Odessa Dnipro Dnipropetrovsk
Torpedo Moscow Atlético Madrid Valencia Real Sociedad
Sevilla FC GAIS IFK Norrköping Lausanne Sports
FC Lucerne Fenerbahçe Bayer 04 Leverkusen Borussia Dortmund
Eintracht Frankfurt Köln Dinamo Zagreb Partizan
Teams
A total of 64 teams participated in the competition , all entering into the first round . Spain , Romania and Denmark gained a slot , while the Soviet Union , Scotland , Austria , France and Yugoslavia lost a slot ( the latter two due to the end of the English ban ) .
The 1990-91 UEFA Cup was won by Internazionale on aggregate over Roma. This tournament also marked the return of English clubs after a five-year ban resulting from the Heysel Stadium Disaster in 1985. However, for this season only one English club (English First Division runners-up Aston Villa) competed in the UEFA Cup from a previous total of four.