Ben Mathews became the latest player to step onto Sydney's captaincy carousel, while Swans AFL coach Paul Roos may have found the long-term answer to the position after some bedroom brainstorming.

Midfielder-defender Mathews was the fourth of six players from Sydney's leadership group to be handed a two-match stint as skipper after Stuart Maxfield stood down from the position earlier in the season.

Midfielder Brett Kirk, fullback Leo Barry and, most recently, centre-half-forward Barry Hall, each had a turn.

At the halfway stage of the rotation experiment, Roos rates it a success.

"At this stage, you'd have to say we're really pleased with the way it's been working out," Roos said.

He said it wasn't just because Sydney had won five out of six matches since the policy was introduced, but that the captaincy candidates had invariably featured amongst the team's best players in each game.

"I know it's only a two-week period, but it wouldn't appear that any of them are going to be affected by whatever burden it (the captaincy) does come with," Roos said.

Utility Adam Goodes and midfielder Jude Bolton will also get a turn at leading Sydney before any permanent decision on the captaincy is taken.

While the remaining candidates will only take the team through to round 18, Roos has already given some thought to the longer-term appointment.

"I was thinking through that last night in bed actually, so I've got a solution, but I won't let it out yet," Roos said.

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