The need for Bradley Davies to manage a knee injury has led to him being released from the Wales squad.
Bath and Wales centre Jamie Roberts expressed sympathy for Taulupe Faletau while offering an update on his own fitness.
Wales could be without Taulupe Faletau for their November Tests after the Bath back-rower broke his arm.
A rule change means Rhys Webb is ineligible to play for Wales, but coach Warren Gatland remains hopeful of using the scrum-half.
Wales assistant coach Shaun Edwards will juggle his international commitments with a role at the Ospreys in the Pro14 this season.
Ireland legend Brian O'Driscoll heaped praise on the retiring Sam Warburton after the former Wales captain announced his retirement.
After announcing his retirement from rugby, Sam Warburton has found the messages of support "overwhelming".
Sam Warburton was expected to return from injury but his retirement on Wednesday made him just the latest star to announce a shock decision.
Sam Warburton's retirement from rugby brought a strong response on social media, with Gareth Bale among those to wish him well.
Following Sam Warburton's shock retirement, we recap his sublime career with Opta statistics.
Sam Warburton announced his shock retirement on Wednesday, prompting Warren Gatland to laud the "outstanding" rugby star.
Wales great Sam Warburton, 29, has retired from rugby after admitting "my body is unable to give me back what I had hoped for".
Wales will be coached by Wayne Pivac when Warren Gatland's lengthy tenure ends after next year's Rugby World Cup.
Argentina are on the look-out for a new coach ahead of next Saturday's meeting with Scotland, after Daniel Hourcade resigned.
Flanker Ross Moriarty was sent off at the end of a third consecutive tour victory for Wales, who beat Argentina 30-12.
Wayne Pivac has been tipped to swap the Scarlets for Wales and Sam Warburton would not be surprised to see him on the international stage.