Champions Cup holders Saracens will face Clermont Auvergne, Ospreys and Northampton Saints in next season's pool stages.
Scarlets and Exeter dominate after they triumphed in the PRO12 and Premiership finals.
Test your knowledge of the Aviva Premiership ahead of Saturday's semi-finals by taking our quiz.
Newcastle's Aviva Premiership home game against double European champions Saracens next season will be played in Philadelphia.
Toby Flood is returning to Newcastle Falcons after spending three seasons playing in the Top 14 with Toulouse.
Saints denied Newcastle a potential Champions Cup play-off, but the Falcons finished in style with a 39-27 win over Bristol.
Updates from the Guinness PRO12 and Aviva Premiership in the final round of the regular season.
Newcastle kept their Champions Cup dream alive with a late 16-14 victory over Worcester at Kingston Park.
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