Champions Cup holders Saracens will face Clermont Auvergne, Ospreys and Northampton Saints in next season's pool stages.
La Rochelle edge closer to the TOP14 semi-finals while Bayonne’s relegation is confirmed.
Racing 92 held on with just 13 players for a crucial 10-8 victory at Toulouse on Sunday.
Richard Cockerill faces a stiff test as he oversees his first match in charge of Toulon on Sunday, live on Sky Sports.
Bath booked a place in the Challenge Cup semi-finals by subduing battling Brive 34-20 at the Recreation Ground.
A try after the final buzzer gave Brive a dramatic 28-25 win over Montpellier in the French Top 14 on Sunday.
La Rochelle held off a stirring Toulouse fightback to storm back to the French Top 14 summit with a 27-21 win on Sunday.
Stephen Brett marked his Clermont debut with a last-minute penalty as they escaped from Bordeaux with a 23-23 draw.
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