Wales's players return to club rugby this weekend following the autumn internationals. All four regions are in European action - the Scarlets are at home to Exeter, while the Blues take on Montpellier in the Heineken Cup.
The Dragons are against Mogliano in the Amlin Challenge Cup, and the Ospreys have a tough challenge against Toulouse in the Heineken Cup.
Ospreys coach Jonathan Humphreys says the "odds will be stacked" against them due to many players being injured on international duty.
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