Liverpool were the reigning European champions; they defeated Roma to win the 1983–84 European Cup, and were also the reigning English champions, having won the English league during the same season. They were drawn against Polish team Lech Poznań in the first round, and won the first leg at Poznań's home ground, Stadion Lecha, 1–0. Liverpool won the second leg 4–0 with a hat-trick from John Wark and a goal from Paul Walsh at their home ground, Anfield, to win the tie 5–0 on aggregate.