Wales boss Rob Howley has sympathised with lock Andrew Coombs over his omission from Saturday's RBS 6 Nations clash against Scotland.
Newport Gwent Dragons forward Coombs has been Wales' discovery of the campaign.
He delivered impressive displays during his first three Test match appearances when the reigning Six Nations champions lost to Ireland but then beat France and Italy.
Howley, though, has plumped for the experience and ability of a British and Irish Test Lion in recalling Ospreys talisman Alun-Wyn Jones.
It will be Jones' first Test start since he suffered a shoulder injury in the Millennium Stadium appointment with Argentina last November, and subsequently underwent surgery.
And he could prove a key part of Wales' victory bid opposite the in-form Scottish second-row pairing of Richie Gray and Jim Hamilton.
"The attributes of physicality and experience will be pretty important on Saturday, particularly in the front five," Howley said.
"Andrew Coombs can be extremely proud of his performances - he has been outstanding.
"As I said to him this morning, he couldn't have done anything more, and the fact that a British Lion with 68 caps is coming in to replace him I think shows how well Andrew has done.
"Alun-Wyn has been an integral part of this squad over the last few years. I am sure we will use all his experience on Saturday."
While Jones returns, though, Wales are without 97-times-capped prop Gethin Jenkins, whose calf muscle injury suffered against Italy 10 days ago has not healed in time.
"Gethin has made dramatic improvements over the last couple of days, but what a replacement we have in Paul James," Howley added.
"We have got some strength in depth on the loosehead, and there have been close calls over the last couple of weeks between Paul and Gethin."
One other change from Rome sees openside flanker Sam Warburton - last season's Grand Slam captain - return to the starting line-up instead of Justin Tipuric.
But even though Warburton has been recalled - he suffered a shoulder injury earlier in the championship - his back-row colleague Ryan Jones remains as skipper.
Jones, who has captained Wales a record 31 times, took over from an unfit Warburton and led his country to victory against France in Paris, and then Italy in Rome when Warburton was on bench duty, and he unsurprisingly keeps the job.
Howley retains the same back division for a fourth successive game, but four changes on the bench from Rome see Cardiff Blues prop Scott Andrews come in for James and Ryan Bevington replace Craig Mitchell, while Coombs and Tipuric swap places with Jones and Warburton respectively.
"Ryan (Jones) has led the team to two wins and deserves to captain the side against Scotland," Howley said.
"I don't see any reason to change the dynamics. Ryan has been a great leader over the last two or three weeks.
"I explained that situation to Sam. Obviously, he is disappointed. It is about the team dynamics, it is about how Ryan has led.
"There was a lot of discussion, particularly at seven. We are really fortunate to have two world-class sevens in Sam and Justin.
"We looked at our performance against Italy, and we've looked at Scotland and the contact area and breakdown, and we just feel that 'Warby' has got a slight edge in that department.
"I've spoken to Justin and Sam, and we feel this is the best back row to go with for Saturday against Scotland."
Wales are still in contention to successfully defend the Six Nations title, although unbeaten England remain tournament favourites ahead of the teams meeting in Cardiff next week.
"We have spoken a lot about momentum in this tournament, and we go into the game with two wins under our belt, but Scotland are in the same position and it's going to be a good challenge," Howley added.
"We have had two good, hard-fought away victories, but we know we will have to be at our best again to come away from Murrayfield with the result."
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