Leigh Halfpenny may be set for a cap, but Tom Shanklin's spot may be at risk.
But experienced Cardiff Blues centre Tom Shanklin has declared himself fit after a knee injury.
"My knee is fine, it feels really good, " the 65-times capped Shanklin told BBC Sport.
Wales will be missing Gethin Jenkins, Adam Jones, Richie Rees, Tom Shanklin and Andrew Bishop.
But Davies told Scrum V that the current partnership of Tom Shanklin and Jamie Roberts is working.
Roberts is confident that he will not join midfield partner Shanklin on the Lions' pre-tour casualty list.
Skipper Ryan Jones, Leigh Halfpenny and Tom Shanklin are the three retained after the 20-15 loss to South Africa.
Hook will stay with the squad for the entire tour, effectively taking the place of injured Welshman Tom Shanklin.
Stephen Jones will be fit, but Tom Shanklin has provided a new injury concern ahead of the Twickenham opener.
The Blues remained on top and Gareth Thomas and Shanklin caught the eye with some pleasing clean line breaks.
Williams, who has won 98 Wales caps, and 70-times capped Welshman Shanklin are in the twilight of their careers.
Robinson has been kept out of some Blues games by the Wales partnership of Tom Shanklin and Jamie Roberts.
Away with the Wales squad are Bradley Davies, Richie Rees, Tom James, Leigh Halfpenny, Jamie Roberts and Tom Shanklin.
Tries from Dafydd Hewitt and Tom Shanklin in each half, plus the kicking of Ben Blair saw the Blues home.
The entertainer complained of feeling exhausted and unwell as he was preparing to take the stage in Shanklin, Isle of Wight.
Shanklin misses the Lions tour as he needs reconstructive surgery on his shoulder that will keep him out for 16 weeks.
Saltsman said the song, penned by his longtime friend Paul Shanklin, should be easily recognized as satire directed at the Times.
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Simon Webster had a great chance to narrow the gap, but he was felled by a crunching tackle from Tom Shanklin.
Bradley Davies, Richard Mustoe, Richie Rees, Tom Shanklin and Tom James all claimed tries, with full-back Ben Blair kicking another 14 points.
The Dragons' rearguard action was not helped by Brew earning a yellow card for interference, leaving space in behind that Shanklin exploited.
Ex-Saracens centre Tom Shanklin scored two tries for the visitors, who also went over through Marc Stcherbina, Mark Lewis and Mosese Luveitasau.
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Finding it tough to break down a stubborn Glasgow defence, Robinson sent a steepling kick into the air for Shanklin to chase.
Tries from Lewis and Shanklin helped the Blues into a 27-22 lead.
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Former Conservative leader of the council, David Pugh was among those who lost his seat, beaten by independent Richard Priest in Shanklin South.
Before that Wales' Leigh Halfpenny and Tom Shanklin, along with Ireland scrum-half Tomas O'Leary, had to withdraw from the tour due to injury.
Shanklin, meanwhile, has suffered chronic knee problems and the 31-year-old will miss the entire 2011 Six Nations as he requires further knee surgery.
The Cardiff side started quickly and took a 12-3 lead as Stcherbina and Shanklin crossed either side of a Jackson penalty for Saracens.
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But Gatland does have more strength in depth at centre with experienced pair Andrew Bishop and Tom Shanklin joined by young Scarlet Jonathan Davies.
After the forwards had bludgeoned their way upfield Nicky Robinson made a superb break and fed Shanklin, who found Halfpenny roaming off his wing.
As well as props Jones and Jenkins, he is also without injured centre Tom Shanklin and suspended scrum-half Richie Rees for the entire tournament.
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