Western Bulldogs captain Luke Darcy has undergone a knee reconstruction, determined he will stay positive despite the premature end to his AFL season.

Darcy suffered the dreaded ACL rupture to his right knee during Sunday's loss to Geelong.

"I've just seen the scan and I'm pretty realistic (that) it's going to be a long nine months, I'm sure I'm going to be frustrated and disappointed," he said.

"They're telling me it's going to be January next year, or whatever the timeframe is, and I will be doing everything I can.

"That's all you can do, you can't sit here, dragging your bottom lip on the ground.

"It's happened - get on with it."

Teammate Nathan Eagleton is rated as being available for next Saturday night's match against Brisbane, despite suffering swelling in his mouth following a collision during the Cats game.

The Bulldogs could also pick Brian Harris (calf) and Jordan McMahon (ankle).

Meanwhile, veteran Geelong defender Brenton Sanderson is set to resume in the reserves.

The former club best-and-fairest winner, who was forced out of the finals series last year with a heart condition, is yet to play this year because of a calf injury.

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