Champions Cup: Quins tied with Castres and Cardiff, Leinster face Bath and MHR
Four rounds of matches will be played in December and January and the eight highest-ranked clubs from each pool will qualify for the knockout stages, with the last-16 taking place over two legs and the final being held in Marseille on May 28.
Toulouse won the trophy for the fifth time in May, beating La Rochelle 22-17 in the final at Twickenham.
Pool A – La Rochelle, Exeter, Leinster, Montpellier, Bath, Glasgow, Racing 92, Sale, Ulster, Clermont Auvergne, Northampton, Ospreys.
Pool B – Toulouse, Harlequins, Munster, Castres, Wasps, Cardiff, Bordeaux-Begles, Bristol, Connacht, Stade Francais, Leicester, Scarlets.
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