Wales flanker Dan Lydiate is recovering as expected after sustaining shoulder and hamstring injuries against England in May.
Eddie Jones will not be able to select Sam Underhill for England's autumn Tests against South Africa, Fiji, Argentina and Australia.
Centre Owen Watkin will miss the majority of Ospreys' upcoming season after suffering a serious knee injury in training.
Reigning champions Connacht will launch the defence of their Guinness PRO12 title against Glasgow Warriors.
Eddie Jones revealed he is still waiting for the RFU's decision on whether he can select Welsh-based Sam Underhill.
Ospreys flanker Justin Tipuric has revealed he is fit and back in full training following a spell out with concussion.
Champions Cup holders Saracens have been drawn against Toulon while Bath will meet Bristol in the Challenge Cup.
Wales have called up Aaron Jarvis as cover for Paul James, who is unlikely to be fit for Saturday's opening Test against New Zealand.
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