Harlequins are looking to extend their unbeaten run as they take on Montpellier in Friday's Challenge Cup action.
Johnny Leota secured a last-gasp bonus point to keep Sale Sharks' Challenge Cup quarter-final hopes alive.
England hopeful Josh Beaumont skippers Sale against Pau while the Dragons welcome back Hallam Amos for the visit of Castres.
Castres came from behind to beat Pau 30-21 in their European Challenge Cup Pool 2 clash at the Stade du Hameau.
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.
Sky Sports confirm the dates for the rescheduled Champions Cup and Challenge Cup matches that were postponed last month.
Eleven different teams feature in our team of the week including hat-trick hero Tim Visser and Toulon debutant Ma'a Nonu.
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Barbarians v South Africa
5th November 2016