The top match of the day is in SWALEC League Division One West where leaders Carmarthen Quins travel to second-placed Tonmawr
The home side will be smarting after losing their unbeaten record last week at Felinfoel but with 42 tries already in the bank, they will give Quins a huge test.
Maesteg have not set the division alight since their relegation from the Premier but they will be looking for victory over visitors Cemllynfell Bottom club Dunvant go to Carmarthen Athletic still looking for their first win of the season while Narberth are at LLangennech in a mid-table tussle.
One East leaders Merthyr face a difficult match at Glan yr Afon Park where Blackwood will be looking to carry on their fine early season form. Only six points separate the sides and Blackwood have a game in hand so victory over the Steelmen could open up the top of the table. Bargoed are favourites to win at Newport Saracens who have gained only one losing bonus point to show for their efforts after eight matches, while third-placed Newbridge host the students of UWIC at the Welfare Ground.
Two East leaders Tredegar travel to Cefn Mably to take on unbeaten Llantrisant in that division's top match. Brynmawr will look to close the gap on Tredegar with victory at Struggling Mountain Ash while bottom-placed Treherbert are hoping to get that first win of the season when they entertain Abercynon at Tynewydd Park.
Builth Wells are flying high in Two West with seven wins out of seven and they will be looking to improve their try count at Gorseinon who have lost all six matches to date. Bridgend Athletic's unbeaten record will be put to the test at Waunarlwydd.
It is top against bottom in Three East when Cwmbran travel to Nelson to take on the leaders while Rhymney and Abertillery BG meet in a relegation scrap.
Pontyberem have opened up a ten point gap at the top of Three West thanks to seven straight victories but visitors Laugharne are in third place and promise to be tough opponents.
Beating Merthyr has boosted Carmarthen Quins hopes of reaching a top eight spot in the Principality Premiership. Quins captain Haydn Pugh is delighted with his team's progress and is determined that everyone from the Under 6s through to the senior team, enjoys the ride.
When the Wales squad were asked to nominate individuals who played a big part in their early playing days, Wales and Dragons full back and wing Hallam Amos thought of his former Monmouth School rugby coach John Bevan.
Sam Cross and Luke Treharne have been named as co-captains of the Wales Sevens side as head coach Gareth Williams names his 12-man squad to play in the first leg of the HSBC World Series in Dubai next weekend.
Bedwas head coach Steve Law and players Nicky Griffiths and Alun Rees extol the virtues of the close knit club as they prepare to host third place RGC 1404 - who are one place head of them on the Principality Premiership points table - on Saturday.
Many of the Wales squad have said Diolch (thank you) to someone who played an important part in their early playing days by nominating them to be invited to the Wales v South Africa match. One person, Gowerton Comprehensive geography teacher Mr Dean Mason was nominated by two of his former pupils, Dan Biggar and Sam Davies.
The second WRU disability rugby pilot has been delivered, this time in Caerphilly schools, culminating in a festival at the Caerphilly Centre of Sporting Excellence, Ystrad Mynach tomorrow. Plans are in place to set up a Disability Rugby Club in Newbridge to provide long-term playing opportunities.
WRU TV: Hear from inside the Wales camp as Neil Jenkins discusses this weekend's clash with South Africa and how the squad are looking to put in a strong performance to round of the 2016 Under Armour Series