Rob Howley knows that if a player can shine in the Heineken Cup, he will be fit for the demands of international rugby.
Howley, who won the Heineken Cup for Wasps in 2004 with a last-minute try says he will be keeping an eye on the proceedings this weekend.
With the RBS Six Nations kick-off less than a month away, the assistant coach to Warren Gatland in the Welsh national set up has spoken of the need for players to impress for the region if they are to have a look-in to the national squad.
"The Heineken Cup is an integral part of our selection process," said the former Wales scrumhalf, "So it is important players perform well in this competition.
"We have spoken about the intensity that this competition brings, which is similar to international rugby.
"Every player who starts in the Heineken Cup has got a great opportunity to impress the Wales management, particularly after our disappointing display against Australia.
"We are looking at selections and combinations, while we also have players coming back from injuries who have not played a lot of rugby over the Christmas period."
The Welsh regions have some crunch matches coming up, with the Ospreys travelling to take on French high-flyers Clermont Auvergne, the Dragons are off to play Glasgow in Scotland and the Blues and Scarlets entertain Sale and London Irish respectively.
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