West Coast coach John Worsfold says he'll give gun on-baller Daniel Kerr and defender Beau Waters until Friday to prove their fitness for Saturday's AFL clash against Collingwood at the MCG.

Kerr, who is free to play this week after serving a three-match suspension, suffered a lower leg injury in the AFL's Hall of Fame game earlier this month.

The 25-year-old completed training on Monday but Worsfold said he would give both Kerr and Waters (groin) a few more days to prove they were 100 per cent fit.

"I would think they are both likely to be available," Worsfold said.

"If they get through training tonight and they are declared fit to play, then they're available to play football.

"If they don't get through training tonight but they believe they can be right by Friday, then the match committee has got to decide whether we want to give them that extra day and travel them and see how they come up and then go from there.

"Both players would deserve the opportunity ... if they needed another couple of days we would give it to them. But they may not need that time, they may be declared fit tonight."

But Adam Hunter, who hyper-extended his knee in round six, won't be released to play despite the defender's impatience to return.

"He's eager to get going, there's no doubt about that, but he's also aware he needs medical clearance," Worsfold said.

"He's feeling good enough to play this week but structurally he needs another week or so."

Worsfold said injury-plagued midfielder Sam Butler, who last played for the Eagles in their 2006 premiership triumph over Sydney, was under serious consideration for an AFL recall after an impressive stint in the WAFL.

Ruckman Mark Seaby, who was a late omission from West Coast's 50-point drubbing over Adelaide last week, is also in strong contention for a recall to back-up Dean Cox.

"Their (Collingwood's) ruckmen have been pretty good," Worsfold said.

"I thought the way it worked for us last week (using Quinten Lynch as a back-up to Cox) was pretty good but it doesn't mean it's a long-term thing.

"Lynch does OK in there but doesn't ruck as well as Mark Seaby.

"It does change the dynamics at stoppages with Quinten there rather than Mark."

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