The AFL says it is satisfied with the quality of the playing surface at Sydney's ANZ Stadium after the concerns of shifting turf in the last game played there.

An AFL spokesman said the league had inspected the surface at the Olympic stadium in the lead-up to Saturday night's vital clash between Sydney and Geelong, after being concerned at the state of the ground during the round 14 clash between the Swans and Collingwood.

That game, in early July, was marred by turf coming free in tufts and preventing players gaining adequate footing when they kicked the ball.

Geelong coach Mark Thompson said last month he was concerned about the potential for injury at the ground.

The Cats raised their concerns with the AFL, but on Monday would not say whether they had been addressed adequately, or if they were satisfied with the playing surface.

But the AFL spokesman said the league had "no issue" with the surface this time.

"Last time the surface wasn't up to the standard that we'd hoped, but we're satisfied now and have no issue with it," he said.

The Collingwood-Sydney game was played three nights after a State of Origin rugby league game which involved seating on the AFL playing surface.

Geelong can secure the minor premiership on Saturday night, while Sydney are one of a handful of teams aiming to earn the double chance.

Both sides will be also be keen to avoid injuries this close to the finals.

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