GEELONG midfielders Mitch Duncan and Quinton Narkle will undergo scans on Friday to assess the damage of hamstring injuries sustained in Thursday night's win over Brisbane. 

Both will travel with the team to Perth on Saturday ahead of matches against Collingwood, West Coast and Fremantle, with the Cats hopeful the injuries are on the "minor" end. 

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Despite the pair being ruled out at quarter-time, the Cats kicked nine unanswered goals through the second and third terms to storm to a 27-point win at the SCG. 

"I don't know whether this is a positive or not, but they were both issues where they were either pushed or really stretching," coach Chris Scott said post-match

"It wasn't the standard 'hammy' where they were running and it came out of nowhere. The initial feedback is that they were both minor. 

"Duncan was assessed for a long time and there was the real possibility he could come back, so I think that was a good sign."

The Cats have travelled with their full squad, with their reserves players to play a scratch match against Collingwood in Sydney on Friday night. 

Scott emphasised the need for squad depth over coming weeks with clubs preparing for extra matches in a condensed period off four or five-day breaks. 

He pointed to the performance of Sam Simpson, who collected a game-high 27 disposals playing his first game in 729 days.

"Sam Simpson has been just on the edge of our team for a long time and there's a fair group of them, actually, through no fault of their own have found themselves out of our team," Scott said. 

"It gives us great confidence Sam could come in and do a job and I think there will be others over the course of the next 4-6 weeks that will do a similar thing. That's our hope, anyway."

While Scott was proud of the Cats' resilience after trailing by as much as 22 points during the second term, Lions coach Chris Fagan was left bewildered by his side's third quarter showing. 

The Lions conceded eight extra clearances and eight more inside 50s as the Cats kicked seven goals to none in the third term alone.  

"The stats around contested possessions, clearances and centre bounce clearances in that third quarter were just out of this world for Geelong," Fagan said. 

"I've got to admit I didn't see that coming at half-time, we'd been the better side in the first-half. 

"That hasn't happened to us in a long, long time and it did tonight. We'd learn a lot from that third quarter I would imagine."

Fagan said the nine-day break before facing Greater Western Sydney should assist Mitch Robinson's chances to recover from a corked quad that ruled him out in the third quarter.  

Cameron Rayner is expected to be fine after a knock to his knee, while Hugh McCluggage's left shoulder will be assessed on Friday.