AFL chief executive Andrew Demetriou says the league is considering introducing Monday night football when the competition expands in coming seasons.

With a Gold Coast club due to enter the competition in 2011 and a western Sydney club probably the year after, Demetriou said the AFL was looking for times to slot in the extra matches.

"When you're trying to find or explore a new timeslot, certainly Monday night football is an option," Demetriou told radio station SEN.

"It's something that we've produced a (mock) fixture for with nine (matches per round) and it works and it also protects the six-day break.

"So we're not averse to it and I daresay our broadcasters aren't either."

Meanwhile, Demetriou said the league was concerned about the state of the Gabba surface.

Brisbane star Jonathan Brown described the cricket pitch area in the centre as like "concrete" and blamed the surface for a knee injury to Lions small forward Scott Harding on Sunday.

Demetriou said the AFL had unsuccessfully tried to persuade the ground's operators to move to drop-in cricket pitches, as used at the MCG.

"We share the views and the concerns of the Brisbane Lions," Demetriou said.

"We've made approaches to the trust that runs the stadium, we've talked about even funding drop-in cricket pitches.

"But we haven't been able to persuade them to do that, they prefer to have their cricket pitches there.

"In the ideal world it's better what we've got at the MCG, you play football in football season and hopefully you can put in drop-in pitches in cricket season."

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