Table-toppers Ospreys host Connacht on Friday looking to make it seven wins on the bounce in the Guinness PRO12.
Wales prop Paul James will leave Bath and return to Ospreys at the end of the season.
Nathan White will make his Ireland debut against South Africa should Mike Ross fail to shake off a groin injury.
Ireland head coach Joe Schmidt has denied allegations he has blocked Darren Cave's chances of an international recall.
Wales scrum-half Gareth Davies to miss the autumn internationals after being ruled out for 12 weeks with a knee injury.
Ospreys have confirmed Dan Baker escaped serious injury after being carried off during their 42-7 thrashing of Treviso.
Racing Metro centre Jamie Roberts has played down speculation he is set to return to ply his trade Wales this week.
Leinster prop Marty Moore will miss Ireland's autumn Test series after being ruled out of action for 12 weeks.
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