Glamorgan Wanderers have suffered a blow before the derby clash against Cardiff at the Arms Park in the Principality Premiership on Saturday.
Top points scorer Scott Sneddon pulled up in training on Tuesday and Mark Roper has stepped in to the outside half berth.
However, Blues centre Dafydd Hewitt is available as is Jason Pocock who came off early last week with an eye injury.
Captain Nick Kelly returns to the second row after appearing in the back row last week but prop Scott Andrews drops down to the bench due to his commitment with the Blues U-20's. Ben Warbuton, brother of Wales U-20's captain, Sam. joins the squad for the first time this season after putting some excellent performances for Merthyr on dual registration.
The SWALEC semi-final draws threw up some mouth-watering clashes in the Cup, Plate and Bowl as the 12 teams aim for the Millennium Stadium Finals Day. All the semi-finals are to be played on the weekend of April 12.
Welsh whistler Rhys Thomas continues to scale the heights of the game as he prepares to be an official in this weekend's Hong Kong Sevens tournament, undoubtedly the showpiece event on the World Series calendar.
Wales International Ian Evans and Wales and Lions legend Scott Quinnell swapped rugby balls for paint pots at Tonna during the RBS 6 Nations. They surprised club players with a special clubhouse makeover to launch NatWest RugbyForce 2014 - a programme developed in partnership with the WRU to make rugby clubs stronger businesses by improving and renovating their facilities with the support of volunteers and the local community.
Fresh from claiming the Bowl honours in Tokyo last Sunday, the Wales Sevens squad have settled into their routine as they prepare for this weekend's Hong Kong tournament where Iolo Evans is aiming high, as WRU TV's Graeme Gillespie discovers.
The Welsh Rugby Union has recently teamed up with Prostate Cymru to help the charity launch its latest campaign to raise awareness of the disease. Members of the Wales squad helped produce a short video and promotional material for the campaign titled 'The Best Defence - is to know the FACTS'.
Defending champions Coleg Sir Gar reached their second consecutive Millennium Stadium final as they defeated Coleg Gwent in the WRU Wednesday Under 18 play-off. Watch highlights of their narrow 10-8 win here.