Will Greenwood gives his pool-by-pool preview for this season's European Rugby Champions Cup.
Pool One
Teams: Saracens, Ulster, Toulouse, Oyonnax
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Will's Pool One preview
Pool Two
Teams: Clermont Auvergne, Ospreys, Exeter Chiefs, Bordeaux-Begles
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Will's Pool Two preview
Pool Three
Teams: Glasgow Warriors, Northampton Saints, Racing 92, Scarlets
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Will's Pool Three preview
Pool Four
Teams: Stade Francais, Munster, Leicester Tigers, Benetton Treviso
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Will's Pool Four preview
Pool Five
Teams: Bath, Toulon, Leinster, Wasps
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Will's Pool Five preview