All four Irish provinces name their team ahead of their European games at the weekend.
Tomorrow in the Champions Cup, Munster travel to Sale and Ulster go to Leicester, while Connacht welcome La Rochelle in the Challenge cup.
On Sunday, Leinster host Wasps in their Champions Cup tie.
Bernard Jackman, Grenoble coach, has been looking ahead to all four games involving Irish sides this weekend, and you can hear his take here:
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