Geelong coach Mark Thompson believes his AFL side's unconventional three-tall attack can cause headaches for opposition defences if it continues to fire as it did against Port Adelaide on Sunday.

Mature rookie recruit James Podsiadly followed his promising debut against Fremantle last round with a five-goal haul as the Cats buried the Power by 95 points.

It was the 28-year-old former VFL star's first time playing in an attack including fellow big men Cameron Mooney and Tom Hawkins, after Mooney missed the loss to the Dockers through suspension.

Between them, the trio pulled down 28 marks and kicked 8.6, with Mooney and Hawkins both missing some gettable shots.

Classy fellow forward Steve Johnson booted six goals, with Gary Ablett (three goals), Paul Chapman (two) and Shannon Byrnes (two) also multiple scorers.

While the Cats' attack had their work made easier by the dominance of their midfield, Thompson said he hoped he could continue playing the three big men.

"Clearly today it worked, I think they all had an impact, we looked really dangerous when we kicked the ball in there to an even-numbered contest," Thompson said.

"It will probably happen again next week, we'll see how long it lasts for.

"I hope it does work for us, because there wouldn't be too many sides with three really good tall defenders out there, so it might be an advantage for us."

He said he was not surprised Podsiadly had made such a bright start to his AFL career, after watching him play for the Cats' VFL side last season.

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