The highly experienced coach has been placed at the centre of a bid to reverse a deeply disappointing campaign and sense of crisis when placed against the background of long-term uncertainty.
The Scarlets – the best team in Wales last season - are currently rooted to the bottom of the United Rugby Championship and have endured a miserable European run, losing all three of their Champions Cup fixtures.
Davies’ appointment follows a board-level review that has reshaped the club’s rugby operations, resulting in the departure of rugby performance director Leigh Jones and a clearer line of accountability at the top of the programme.
Davies, the former Wales and Llanelli centre, will oversee all rugby matters and report directly to the Scarlets board, carrying responsibility for performances, results and selection.
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Head coach Dwayne Peel remains in post and will continue to run day-to-day coaching, preparation and technical delivery, working under Davies within what the club has described as an aligned performance framework.
But there is also message being sent out externally – that the Scarlets expect to remain part of the future of Welsh rugby and Davies will help lay the foundations for that future.
“This is about bringing clarity, alignment and stability to the rugby programme,” said Davies.
“I will take full accountability for performance and results, set clear standards for how we play and behave and ensure the environment supports players and coaches to perform.
“My focus is on simplifying messages, reinforcing Scarlets identity and values and creating the conditions for improved results, both in the short term and beyond.”
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Davies made it clear that belief in the club’s ethos and competitive spirit underpins his decision to return at a time of uncertainty for Welsh professional rugby, with the Welsh Rugby Union planning to reduce the number of regions from four to three.
"This club has always thrived on delivering big results against the odds which excite our fans and inspire future generations of players in the game," he said.
"The hard work continues with a talented squad of players and I am looking forward to lending my support and drive to the group for the remainder of this season."
Executive chairman Simon Muderack said the board viewed Davies as the right figure to steady the ship and drive improvement during a critical period on and off the field.
“This is a strategic decision by the Board to strengthen our rugby performance structures for the remainder of this season," said Muderack.
"We are delighted and grateful that Nigel has agreed to return to Parc y Scarlets to lead and support the rugby environment during this crucial period in our season and at a time when Welsh rugby is entrenched in a challenging and wide-ranging review.
“A former great of this club, Nigel has a proven track record in driving strategic change and cementing high performance cultures and processes.
"We believe the depth of his rugby intellect, experience and passion for our club and for rugby in Wales will significantly intensify our approach and drive for the rest of the season, as well as help ignite our rugby future.
“Everyone at our club remains fully committed to improving results and to see our team playing with a strong Scarlets identity and ensure our loyal and dedicated stakeholders and supporters have plenty to cheer about for the rest of this season.”
Now 60, Davies is no stranger to the Scarlets setup. He served as Gareth Jenkins’ assistant between 1999 and 2005, a period that brought Celtic League success in 2004 and multiple deep runs in the Heineken Cup.
He later followed Jenkins into the Wales coaching team before returning to Llanelli as head coach from 2008 to 2012, helping nurture a generation of international players including Jonathan Davies, George North, Ken Owens and Liam Williams.
His career has also included spells with Gloucester, Ebbw Vale and Merthyr.
The restructure has seen Leigh Jones exit the club, with Scarlets confirming that the rugby performance director role will not continue as part of the new model.
Jones reflected positively on his time in west Wales, saying: "I have enjoyed my time at Parc y Scarlets and working with the Scarlets team during a very dynamic and challenging time for Welsh Rugby.
"I would like to express my thanks to the players, coaches and staff for their support and friendship over the past 18 months."
Davies’ immediate task is to lift a side that has managed just two wins all season and faces a pivotal European fixture away to Northampton on Sunday, 18 January, with the possibility of dropping into the Challenge Cup if they remain fifth in their pool.
With pressure mounting and the future landscape of Welsh rugby still unclear, Davies has been handed the responsibility — and the authority — to turn words into results.
