Stephen Jones, the most capped Welsh player of all time, has decided to retire at the end of the season.
Wales' second highest points scorer of all time is currently playing for Wasps and he will join Dai Young's coaching team at the London club from next season.
The 35-year-old has enjoyed a superb career, having represented Llanelli Scarlets, Clermont Auvergne and Wasps at club level, while winning 104 caps for Wales and six for the Lions, who he toured with in 2005 and 2009.
He started every Test on the Lions 2009 tour of South Africa and played a key role in the Welsh Grand Slams of 2005 and 2008.
Jones said: "I feel incredibly lucky to have played for some fantastic sides down through the years and I feel the time is right for me now to make the transition into coaching, which is what I have always wanted to do.
"There is an opportunity for me to do that at London Wasps and I am very excited about the next step of my career. I want to say a huge thanks to everyone at the Scarlets, Clermont Auvergne and London Wasps - and I feel grateful to have worn three fantastic professional club shirts in my career.
"I also feel honoured to have pulled on the Wales and British and Irish Lions shirts and I appreciate everyone involved in those sides, as well as the supporters who have been there and backed me throughout my playing days.
"I am taking with me some incredible memories and experiences."
London Wasps Director of Rugby Dai Young said: "I always thought Stephen would make an excellent coach and everything I have seen of him this season backs that up. It is sad to see him retire but what we are losing on the field we are gaining off it.
"I have always admired Stephen's tactical nous and I think he will be an excellent member of our coaching team. In the meantime we have some massive games coming up and Stephen is going to play a big part as a player in the coming months."
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