Chelsea will face Atletico Madrid in Champions League Group C in a draw which brings Diego Costa's ongoing exile into renewed focus.
Six British clubs found out their opponents for the group stage, which begins on September 12 and 13, in the draw in Monaco on Thursday.
Premier League champions Chelsea were drawn in Group C alongside Costa's former club Atletico.
Costa joined Chelsea from Atletico in July 2014 and has been an unauthorised absentee from London this summer as he agitates for a move back to his former club. The situation is complicated by a transfer embargo which prevents Atletico from registering new players until January.
Roma and Qarabag, the first Azerbaijan side to reach the group stages, are also in Group C.
Tottenham, runners-up behind their London rivals in May, face the unenviable task of facing holders Real Madrid and Borussia Dortmund in Group H, as well as Cyprus' APOEL.
Scottish champions Celtic, play-off winners over Kazakhstan's Astana, are also in a challenging pool, against Bayern Munich, Paris St Germain and Anderlecht in Group B.
Manchester United, who qualified by winning the Europa League in May, received a favourable draw in Group A alongside Benfica, Basle and CSKA Moscow.
Manchester City will face Shakhtar Donetsk, Napoli and Feyenoord in Group F.
Five-time winners Liverpool, who advanced via the play-offs with victory over Hoffenheim, will play Spartak Moscow, Sevilla and Maribor in Group E.
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