Liverpool have been handed a tricky test in the Europa League play-off round after being paired with Turkish Cup winners Trabzonspor.
The Reds have met their opponents once before in Europe, in the second round of the 1976-77 European Cup, with Pool winning 3-1 on aggregate on their way to their first triumph in the competition.
Aston Villa will take on Rapid Vienna for a place in the group stages, looking for revenge after being knocked out by the Austrians at the same stage of the competition 12 months ago.
Big-spending Manchester City will be confident of progressing after being drawn with Romanian side Timisoara.
Celtic take on Dutch outfit FC Utrecht after being knocked out of the Champions League, while Scottish Cup winners Dundee United have a tough task as they face Greek side AEK Athens.
Motherwell are paired with Danish club Odense, while Welsh champions The New Saints clash with Bulgarians CSKA Sofia.