GEELONG midfielder Mitch Duncan still hopes to play a part in the finals but concedes it's unrealistic he will take part in the must-win clash with West Coast on Friday night.
Duncan didn't return after leaving the ground in the second quarter of Geelong's 10-point defeat to Collingwood with a left medial ligament strain.
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The minor premiers will exit September in straight sets if they can't quash the Eagles' hopes for back-to-back flags.
Duncan told TAB Radio he would discover more about his scan results on Monday.
"It's not looking too good but hopefully the scans show some positive signs that I'll be able to play again this finals series," Duncan said.
"It's just more a medial ligament (injury) – things you can come back from quite quick, if you've got the stability there. So it's just a matter of how stable we can get it.
"Hopefully the boys can have a win in the coming game against the Eagles and progress further, and that will give me a bit more realistic chance to come back.
"It's probably more how I feel once I start running. The next week will be tough to come back for. It's disappointing but these things happen."
There was carnage in Friday night's encounter, with Levi Greenwood sustaining an ACL tear and Jordan De Goey re-aggravating his right hamstring injury and already being ruled out of the preliminary final.
Cats Jed Bews (ankle) and Luke Dahlhaus (corkie) played out the game after early scares, while Gary Rohan received treatment on his left hamstring after pulling up sore early in the last term.
Brisbane is yet to reveal the severity of tough wingman Mitch Robinson's hamstring injury but he is doubtful for the Lions' do-or-die clash with Greater Western Sydney on Saturday.
The Giants will also be without a first-choice member, with retirement-bound Brett Deledio fearing his latest calf setback has prematurely ended his career.
Meanwhile, Eagle Jackson Nelson didn't return after suffering a head knock in the fourth quarter of his side's comfortable elimination final victory over Essendon on Thursday night.
Richmond speedster Daniel Rioli will have a fortnight to recover from his minor ankle complaint, but it didn't prevent him coming back onto the field against Brisbane.
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As for the clubs now out of contention, scans have cleared young Bulldogs star Aaron Naughton of an ACL tear, but damage to the lateral ligament in his left knee could still delay his pre-season.
Out-of-contract Bomber Mitch Brown (calf) did not take part after leaving the ground in the third quarter of Essendon's heavy defeat out west.