Bath and Wales' Luke Charteris says new rules on eligibility for Wales selection will put players in a "tough position".
Exeter forward Dave Dennis has been ruled out for up to three months after injuring his bicep in training.
Premiership champions Exeter grind out victory over Glasgow to get off to a winning start in the Champions Cup.
England wing Jack Nowell could miss the autumn internationals after fracturing a cheekbone playing for Exeter Chiefs.
Audio & Video
Exeter Chiefs prop Carl Rimmer and director of rugby Rob Baxter explain the importance of volunteers to the club.
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