Sharks aiming to topple their “bogey” team.

Lions to build on La Rochelle bravery

Bulls to put struggling Ulster to sword

Stormers to continue winning streak against Scarlets.

Cardiff v Sharks

(Cardiff Arms Park, Cardiff – Kick-off: 19.45 IRE & UK; 20.45 SAST; 18.45 GMT)

Connacht v Zebre Parma(Dexcom Stadium, Galway – Kick-off: 19.45 IRE & UK; 20.45 CEST; 18.45 GMT)

Edinburgh v Lions(Hive Stadium, Edinburgh – Kick-off: 19.45 IRE & UK; 20.45 SAST; 18.45 GMT)

Bulls v Ulster(Loftus Versfeld, Pretoria – Kick-off: 13.45 SAST; 12.45 IRE & UK; 11.45 GMT)

Stormers v Scarlets(DHL Stadium, Cape Town – Kick-off: 16.00 SAST; 15.00 IRE & UK; 14.00 GMT)

Benetton v Glasgow Warriors(Stadio Monigo, Treviso – Kick-off: 16.00 CEST; 15.00 IRE & UK; 14.00 GMT)

Leinster v Munster(Aviva Stadium, Dublin – Kick-off: 18.00 IRE & UK; 17.00 GMT)

Ospreys v Dragons(St. Helen’s, Swansea – Kick-off: 19.00 IRE & UK; 18.00 GMT)