Ulster Rugby have signed Georgian tight-head prop Anton Peikrishvili in a bid to ease their front-row injury crisis.
Wasps have confirmed Italian international prop Lorenzo Cittadini is leaving the club to join Bayonne for next season.
Champions Cup holders Saracens have been drawn against Toulon while Bath will meet Bristol in the Challenge Cup.
Lionel Beauxis missed with the last kick of the game to cost Bordeaux-Begles a place in the Top 14 play-offs.
Dodgy refereeing, French figures and a sleeping giant's awakening feature in Rupert Cox's weekly blog.
Team of the week includes strong semi-finalists and leaders of the pack from the Top 14 and Super Rugby.
Oyonnax stunned Clermont Auvergne at the Stade Marcel-Michelin and Toulon capitalised by winning away in Grenoble.
Stade Francais recorded a thrilling 40-26 win over Clermont Auvergne, while Toulouse came from behind to shock Toulon.
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Barbarians v South Africa
5th November 2016