Brisbane Lions coach Leigh Matthews is set to announce his shock resignation after 10 seasons with the AFL club.

The club has flagged a major announcement at Matthews' weekly Monday press conference at 11am where he will be joined by the Lions' four co-captains.

Brisbane, fighting for a top four position midway through this season, finished a disappointing 10th on the ladder after limping home with just two wins from their last nine matches.

The end of Matthews' successful tenure comes a week after Lions chairman Tony Kelly indicated he wanted to see the coach see out the end of his contract which expires next year.

Matthews led the merged club to three consecutive flags from 2001-2003, giving him four premierships as a coach after previously guiding Collingwood to the 1990 title.

Combined with his recognition as the player of the 20th Century, the former Hawthorn great is viewed as the biggest name in the game.

Matthews' departure will surely see former Brisbane skipper Michael Voss's name included in the group of potential coaching successors.

Voss retired at the end of 2006 and was seen as the Gold Coast's likely foundation coach before he signed a two-year contract to be assistant coach at the West Coast in July.

Matthews started at Brisbane in 1999, taking them from the wooden spoon to a preliminary-final loss to premiers North Melbourne.

It was the first of six finals appearances which included four straight grand finals, ending with a loss to Port Adelaide in 2004.

But since then the Lions have failed to make the top eight.

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