With many sides on SWALEC Cup duty, there was a diminished programme of league rugby last weekend
Matthew Jolly made a dream debut for Tredegar, as the 17-year-old Dragons prospect scored a hat-trick of tries in his first senior game.
The Division Two East leaders travelled to Treherbert and thrashed their hosts 61-13, with six more tries being ran in by Jamie Henthorne, Steven Knight, Darren Pearce, Daffyd James and two coming from Damian Smith.
Tredegar remain 14 points clear in the division after Bedlinog, who move into second place with Mountain Ash having been in Swalec Plate action, also recorded a bonus point win with the Foxes scoring five tries in a 32-14 victory at Llantrisant.
Builth Wells, the table toppers in Division Two West, crashed to defeat at Waunarlwydd, who were comprehensive 34-17 winners.
Waunarlwydd's three tries came from Michael Francis, Daniel Joseph and Matthew Mason, with Johnny Lewis kicking the other 19 points.
The Bulls' slip-up enabled second-place Loughor to close the gap on the leaders, requiring a narrow 10-8 win at Penclawdd to do so.
Elsewhere, two table topping clubs scored 12 tries a piece. Division Three West leaders Aberystwyth came away from Amman United with a 72-3 victory, their tries coming from Liam Thomas, Matthew Green, Iestyn Jones, Sion Summers, Gareth Jeffries, Arwel Lloyd, Jason Rees, Llewellyn Evans, Eifion Gwynne and two from Rhys Richards.
And Division Three South East leaders Llanwit Fardre battered Nantymoel 77-7, with four tries from Kieran Evans, two each from Andrew Webb and Paul Davies, and others from Marcus Caudle, Lewis James, Carl Thomas and Michael Thomas.
Wales and Ospreys back row James King, who came through the North Wales age grade system, nominated North Wales Regional Community Rugby Manager Marc Roberts, in the WRU's 'Diolch' initiative where squad players thanked those who played a part in their rise to the top.
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