Swansea and Neath clash at St Helen's on Friday (7.05pm) in the highlight of the five matches that kick-off the second of the Celtic League.
The All-Whites delay naming their side after having been beaten up front in Ednburgh last week. Meanwhile, the All-Blacks have named a squad of 22 that is without the injured Brett Sinkinson, Steve Martin and Adam Matthews in the pack and with Andy Moore being the scrum half named, as Patrick Horgan has
The clubs have won 11 each in league tussles, but Swansea have won the last five home meetings.
Ebbw Vale make changes from their home loss to Ulster for their visit to Musgrave Cork, Cork, where they take on almost a second-string Munster side (7.35pm).
Munster are shattered by Irish squad calls, while skipper Chay Billen is still not fit for Ebbw Vale and prop Adam Black again leads. Mark Meenan takes over at fly half with Aaron Takarangi being brought in at wing.
Vale have a problem at hooker, where former Cambridge Blue Jonathan Evans
has a cut head and is replaced by Chris Bevan.
Cardiff lost 6-3 at home to Connacht last season and go to the Galway Sportsground in search of revenge (6.00pm).
Eric Elwood is expected to pass a fitness test on an injured rib,while Cardiff have Nicky Robinson and Richard Smith at half back and Iestyn Harris and Ryan Powell in reserve. Canadian Dan Baugh is also on the replacements bench.
The other two matches do not feature Welsh clubs, but Welsh referees ARE featured.
Ulster entertain Edinburgh at Ravenhill (7.30pm) with Huw Watkins in charge and Nigel Whitehouse will control the Glasgow-Leinster match at Hughenden (7.30pm).
Leinster hope to have big Victor Costello at no.8 and 11 wins in as many Celtic League matches in two seasons, while former Scotland captain Andy Nicol is back to lead Glasgow.
As the countdown continues for RWC2015, Tournament Chief Executive Debbie Jevans visited the Millennium Stadium to discuss preparations for the eight matches and reveal the positive news that 100,000 tickets for games at the home of Welsh rugby have sold in the last seven days.
Jason Harries is targeting a first win on the World Series circuit this season with Wales. The series returns to action this weekend in Dubai where Harries is part of a team hoping to build from its efforts in round one in October.
Wales skipper Jevon Groves says his side have addressed a few points from Gold Coast and aim to 'hit the ground running' in the next two rounds of the World Series, kicking off with this weekend in Dubai before heading off to South Africa next week.
Wales Sevens manager Steff Thomas is hopeful his side can build from a quarter-final spot in the opening round of the World Series in Australia when his side take part in the forthcoming double header in Dubai and South Africa.