The Clermont Auvergne outside half badly twisted his left ankle when one of his own players fell on him in a tackle after 60 minutes of their 9-0 French Championship defeat at Biarritz. The Clermont medical team described the injury as a double twist that caused lateral damage. Jones is expected to be out for between three and four weeks.
With the might of the southern hemisphere due to descend on the Millennium Stadium in November to test Mike Ruddock's Grand Slammers to the full, the Welsh coach is having to face the fact that a number of his Grand Slam-winning squad will be unavailable with injury. Already ruled out of the games against New Zealand, Fiji, South Africa and Australia are Lions prop Gethin Jenkins and centre Gavin Henson, while wing Shane Williams and No. 8 Ryan Jones are also considered highly doubtful.
Jenkins, Henson and Williams have all undergone operations since returning from the Lions tour in the summer, while another Lion, Tom Shanklin, has yet to return to action after resting his injured knee. Also on the sidelines are one of the players Ruddock capped in the summer, Blues hooker Rhys Thomas, while the veteran front row man Robin McBryde has retired.
Jones was a key player in Wales's march to their first Grand Slam in 27 years last season and is the highest points scorer in the French Championship this season.
Whenever Bedlinog tackle Penallta a massive fixure is guaranteed but this Sunday there will be even more emphasis placed on the two rivals when they contest the SSE Swalec Plate final at Principality Stadium.
Ahead of their SSE SWALEC Bowl Final clash with Taffs Well at Principality Stadium on Sunday, Burry Port share their #FABXV nomination with WRUTV in the search for Welsh rugby's greatest volunteers. Everyone can get involved by sending nominations via twitter to @WRU_Community using the hashtag #FABXV
Cardiff Blues prop Gethin Jenkins and Ospreys centre Ben John look ahead to the first game at Principality Stadium in Saturday's double header which is promising to be a special occasion for all Welsh fans.
Carmarthen Quins Director of Rugby Ian Jones and committee member Jeff Thomas along with Llandovery chairman Handel Davies look ahead to Sunday's SSE SWALEC Cup showdown where both teams are out to prove 'West is best'
SWALEC ambassador Shane WIlliams is looking forward to Sunday's Finals Day where the Cup, Bowl and Plate offers a great opportunity for players and teams to experience the magic of playing at Principality Stadium
Carmarthen Quins coach Richard Kelly believes it is an exciting time to be part of the Scarlets region as his side take on local rivals Llandovery in the SSE Swalec Cup final on Sunday, as WRU TV's Graeme Gillespie discovers