Wales may be spared the prospect of facing giant Wallaby Wendell Sailor after the wing was forced out of the game against Ireland early with a rib injury.
The former rugby league star went off after an hour of Saturday's success and the Wallaby management insisted he will not be risked against Wales if he is not fully fit.
However another former rugby league star Matt Rogers came though his comeback game from injury for club side Southern Districts over the weekend and is expected to be back in the frame for the Sydney clash.
Meanwhile, Test veteran Matt Burke was also set to join the Australia squad today after sitting out the Ireland game with a knee injury.
The 68-times capped full-back, who has scored 833 points in Test rugby, has been troubled by a medial ligaments problem but will be given his chance this week to prove his fitness in time for Saturday.
Wales Under 20 travel to Newcastle on Friday to face England at Kingston Park. With the likes of Jack Dixon and Ashley Evans returning to the squad, it's arguably the strongest side head coach Byron Hayward has put out in the tournament so far. WRU TV previews the game with Defence Coach Richard Hodges and captain Steffan Hughes.
Wales head coach Warren Gatland gives an exclusive interview to WRU TV after naming his side to face England in the RBS 6 Nations at Twickenham on Sunday. Gatland has recalled British & Irish Lions duo Jonathan Davies and Alun Wyn Jones to his side while Rhys Webb retains his place at scrum half.
Scrum half Rhys Webb and lock Jake Ball both made their first Wales starts in last Friday's win over France at the Millennium Stadium. They talk exclusively to WRU TV's Luke Broadley about their experiences of the day.
Wales Women's Head Coach Rhys Edwards has made three changes to his side to face France at Aberavon on Sunday, where he expects his side to be given a tough time against one of the best teams in the world.