Wales captain Alun Wyn Jones is on course to equal the world record for international rugby union appearances in Saturday's Six Nations match at home to Scotland.
The lock's 148th Test, a tally that includes nine internationals for the British and Irish Lions, will see him draw level with the mark of retired former New Zealand captain Richie McCaw, the All Blacks' World Cup-winning skipper in 2011 and 2015.
Meanwhile Wales coach Wayne Pivac has made four changes to the side beaten 33-30 by England at Twickenham last week.
Scrumhalf Rhys Webb, lock Cory Hill, uncapped prop WillGriff John and fellow front-rower Wyn Jones are in the starting XV as Wales try to avoid a fourth straight loss in the Championship for the first time since 2007.
Webb, unavailable for his country during his time at French club Toulon because he did not meet the 60-cap rule for players based abroad, replaces Tomos Williams for his first Test start since November 2017.
"Alun Wyn is one of the most iconic figures in the game, he is our leader and I am delighted for him as he continues to set the bar across the game," said Pivac after naming his team on Thursday.
"Saturday is a great opportunity for us to wrap up the campaign with a big performance at home in Cardiff," explained the New Zealander, in his first season in charge after compatriot Warren Gatland stood down following the side's run to the semi-finals of last year's World Cup.
"We want to finish with the performance we know we can deliver and we have been working hard to get there."
This match is the only one of the three scheduled fixtures still currently going ahead for what had been planned as the final Saturday of this season's Six Nations.
Games between France and Ireland in Paris and Italy and England in Rome have both been postponed due to the coronavirus outbreak.
And Scotland's trip to Wales could go the same way, or be played behind closed doors, if a meeting of the British government's emergency committee later on Thursday decides to cancel mass gatherings.
Scotland coach Gregor Townsend has made three changes to his starting side for their Six Nations finale against Wales in Cardiff on Saturday.
All the alterations are in the pack, with back-row Magnus Bradbury, lock Sam Skinner and hooker Stuart McInally, the vice-captain, coming into the run-on team for the Principality Stadium fixture.
Fraser Brown and Scott Cummings have dropped down to the bench, with No. 8 Nick Haining unavailable through illness.
Victory would see Scotland win three successive championship matches for the first time since the 1996 Five Nations.
Scotland, who have not won in Cardiff for 18 years, go into the game on the back of an impressive 28-17 victory over France at Murrayfield last weekend, a result that ended the visitors' hopes of a Grand Slam.
"We set out this season to improve our consistency over a run of five tough games, something we have done well so far," Townsend said after naming his team on Thursday.
"We've stayed in the fight in every game, which is a credit to how hard the players have worked in training and during the Tests."
The former Scotland playmaker added: "It's also been encouraging to see how well the players have grown together and have taken on board the input from new coaches, Steve (Tandy) and Pieter (de Villiers), who have done a great job in their first season with the team."
This match is the only one out of the three scheduled fixtures still going ahead for what had been planned as the final Saturday of the tournament.
Games between France and Ireland in Paris and Italy and England in Rome have both been postponed due to the coronavirus outbreak.
TEAMS
Scotland to face Wales
Rory Sutherland, Stuart McInally, Zander Fagerson, Sam Skinnner, Grant Gilchrist, Jamie Ritchie, Hamish Waton, Magnus Bradbury, Ali Price, Adam Hastings, Blair Kinghorn, Sam Johnson, Chris Harris, Sean Maitland, stuart Hogg. Reserves: Fraser Brown, Allan Dell, Willem Nel, Scott Cummings, Matt Fagerson, George Horne, Duncan Weir, Kyle Steyn
Wales to face Scotland
Wyn Jones, Ken Owens, WillGriff John, Cory Hill, Alun Wyn Jones, Ross Moriarty, Justin Tipuric, Josh Navidi, Rhys Webb, Dan Biggar, Liam Williams, Hadleigh Parkes, Nick Tompkins, George North,Leigh Halfpenny. Reserves: Ryan Elias, Rhys Carre, Leon Brown, Will Rowlands, Taulupe Faletau, Gareth Davies, Jarrod Evans, Johnny McNicholl
