Dragons flanker Dan Lydiate has been promoted from the bench to the blindside to win his second cap as Wales take on Australia on Saturday in the Invesco Perpetual Series climax at the Millennium Stadium tomorrow (kick-off 5.15pm).
Ryan Jones has withdrawn from the Wales side to take on Australia Gethin Jenkins will captain the team and Jones is replaced at No8 by Andy Powell, who moves across the back row.
Lydiate's place as a replacement is taken up by Sam Warburton, who faces the prospect of tackling the Wallabies for the second time in a week after representing the Cardiff Blues against their midweek touring side on Tuesday.
"Ryan pulled up in Tuesday's conditioning session with a back problem," said Wales physio Mark Davies.
"This obviously needed time to settle and unfortunately the problem has not resolved in time for him to be available on Saturday.
"He has been receiving treatment and was unable to train yesterday, but today we have taken the decision that he is simply not going to be ready to take the field."
Ryan Jones has withdrawn from the Wales side to take on Australia Gethin Jenkins will captain the team and Jones is replaced at No8 by Andy Powell, who moves across the back row.
Lydiate's place as a replacement is taken up by Sam Warburton, who faces the prospect of tackling the Wallabies for the second time in a week after representing the Cardiff Blues against their midweek touring side on Tuesday.
"Ryan pulled up in Tuesday's conditioning session with a back problem," said Wales physio Mark Davies.
"This obviously needed time to settle and unfortunately the problem has not resolved in time for him to be available on Saturday.
"He has been receiving treatment and was unable to train yesterday, but today we have taken the decision that he is simply not going to be ready to take the field."
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