Cardiff Blues are sweating on the fitness of several key players ahead of their crunch Magners League clash against Munster.
Wales and British Lions prop Gethin Jenkins is struggling with an ankle injury suffered in the Amlin Challenge Cup semi-final victory over London Wasps.
And with fellow prop Taufa'ao Filise already ruled out with a groin injury, the Blues are facing a potential front-row problem.
Wales lock Bradley Davies is a doubt after suffering a back spasm while Andy Powell is out for the rest of the domestic season with a calf injury.
The Blues are hoping to field their strongest possible team as they aim to over-take Munster for the last place in the play-offs with victory, while also denying the Irish province a bonus point.
Director of rugby Dai Young said: "We are aware of what's needed and we've spelt it out to the players. But first and foremost, you have to look at how you're going to win the game and worry about the issue of bonus points and points difference afterwards."
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.