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.
Whenever Bedlinog tackle Penallta a massive fixure is guaranteed but this Sunday there will be even more emphasis placed on the two rivals when they contest the SSE Swalec Plate final at Principality Stadium.
Ahead of their SSE SWALEC Bowl Final clash with Taffs Well at Principality Stadium on Sunday, Burry Port share their #FABXV nomination with WRUTV in the search for Welsh rugby's greatest volunteers. Everyone can get involved by sending nominations via twitter to @WRU_Community using the hashtag #FABXV
Cardiff Blues prop Gethin Jenkins and Ospreys centre Ben John look ahead to the first game at Principality Stadium in Saturday's double header which is promising to be a special occasion for all Welsh fans.
Carmarthen Quins Director of Rugby Ian Jones and committee member Jeff Thomas along with Llandovery chairman Handel Davies look ahead to Sunday's SSE SWALEC Cup showdown where both teams are out to prove 'West is best'
SWALEC ambassador Shane WIlliams is looking forward to Sunday's Finals Day where the Cup, Bowl and Plate offers a great opportunity for players and teams to experience the magic of playing at Principality Stadium
Carmarthen Quins coach Richard Kelly believes it is an exciting time to be part of the Scarlets region as his side take on local rivals Llandovery in the SSE Swalec Cup final on Sunday, as WRU TV's Graeme Gillespie discovers
Scarlets long serving prop Phil John talks to WRU TV's Graeme Gillespie about Judgement Day IV and SSE Swalec Cup finals day. The last time Llandovery were in the cup final in 2007, the Drovers claimed the spoils with Phil playing a major role in the engine room.
Meet Aberdare coach Luke Thomas whose #FABXV nomination goes to super volunteer Daz with a whopping 10 things he does for the club each week, all except the ironing! You can also join in the search for Welsh rugby's greatest volunteers, by sending your nomination via twitter to @WRU_Community using the hashtag #FABXV