Brisbane vice-captain Jed Adcock is certain Jonathan Brown will shrug off injury to play his 200th AFL match in front of an adoring Gabba crowd on Sunday.

Adcock has no doubt the inspirational Lions skipper will be a certain starter against Adelaide despite a worrying knee problem that's put milestone celebrations on ice.

Coach Michael Voss will wait until Thursday before making a call on Brown but his deputy pointed to power-forward's renowned resilience as an indicator he'll aim up.

"For sure Browny will play," Adcock told AAP on Wednesday.

"He only misses games when he really, really has to miss a game.

"He'll play again this week for sure."

Brown, who kicked the Lions to a drought-breaking five-point win after hurting his knee against West Coast, has played most of the season with a nagging groin problem which has significantly reduced his effectiveness.

"He hasn't been at his peak fitness for the whole year and he's had his times when he's flying and times when he's been a bit down but every player goes through that at some stage, but he'll definitely play," Adcock added.

"He puts his body on the line week in, week out."

Adcock praised the captain for being as strong and influential off the field as on, noting he led the way in the players' united support for under-siege coach Michael Voss last month.

"He really drove the things that we believed in and put the club's best foot forward and we stuck together tight," he said.

"Browny has been fantastic for this footy club."

The versatile defender has just returned to action from a broken foot but immediately impressed against the Eagles.

Despite Brisbane's crash to earth after winning a final in 2009 and starting 2010 with four straight wins, Adcock believed the club could still go into 2011 with optimism.

But, he stressed, much would depend on how they end the season against the Crows, Essendon (away) and Sydney (home).

"You don't want to go into the next pre-season with another three losses," the 24-year-old said.

"You want to at least go in with some momentum and start feeling good about yourself again.

"There's a lot of pride and there's still a lot to play for this year and next year."

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