Champions Cup holders Saracens have been drawn against Toulon while Bath will meet Bristol in the Challenge Cup.
Robbie Henshaw made a try-scoring return as Connacht secured a place in the European Challenge Cup quarter-finals.
Ireland centre Robbie Henshaw makes his return for injury in Connacht's must-win clash with Enisei.
Team of the week includes strong semi-finalists and leaders of the pack from the Top 14 and Super Rugby.
Challenge Cup holders Gloucester can book their place in the knockout stages with victory over La Rochelle on Saturday.
Harequins crushed Calvisano, Sale beat Castres, while Brive and Zebre posted easy wins in the European Rugby Challenge Cup.
Jamie Roberts will make his Harlequins debut against Calvisano on Saturday while Conrad Smith is on the bench for Pau.
There were wins for Sale and Connacht in the Challenge Cup on Saturday while London Irish lost away to Grenoble.
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Barbarians v South Africa
5th November 2016