Ponty flanker Wayne O'Connor comes in to freshen up the back row.
Pontypridd's run in to the end of the season is taking the form of a steeplechase, with one hurdle after another in quick succession as the team plays catch up on the Premiership's leading pack.
Next up for Ponty is an away match against traditional rivals Cardiff, the Arms Park clash tomorrow afternoon (KO 2:30pm.)
Following an emphatic bonus point home victory over Swansea midweek, Ponty will be going all out for a win on the road to close the nine point gap on league leaders Neath.
It was on Boxing Day 2011 that Pontypridd recorded a home league win over Cardiff in a hard fought encounter, as reflected in the final score-line of 18pts to 13. Another tough assignment against the Blue and Blacks is due come Saturday afternoon.
In an attempt to keep players fresh during a demanding run of fixtures, it is a case of mix and match in the selection policy for the Cardiff game.
Coming into the starting line up are wing Matthew Nuthall, scrum half Lewis Jones, prop Stuart Williams, hooker Huw Dowden, lock Cory Hill and flankers Jake Thomas and Wayne O'Connor.
WRU TV were on hand at the launch of a major new commercial deal with WRU and Mercedes-Benz South Wales (part of the Sinclair Group), which sees the family company become an official supplier to the Welsh Rugby Union
On the back of the recent Women's Rugby World Cup, the WRU has launched a revitalised Women's and Girls domestic seasonal structure, and the future is looking bright.
Go to www.wru.co.uk/tryourgame for more information
Roger Lewis talks to WRU TV at the announcement of a new £60 million Rugby Services Agreement (RSA) which provides a new and positive contractual relationship between the WRU and its four Regions for the next six years has been agreed.
The Welsh Rugby Union has announced a major new sponsorship deal with Gullivers Sports Travel which will make the UK's leading, and longest established, multi-sport tour operator, an Official Supplier for the rest of the decade.
Having taken part in seven World Cups as a player and coach, Liza Burgess hopes to go out in style this afternoon when Wales take on Australia in the Play-off for seventh and eighth place in the Women's Rugby World Cup in Paris.