Adam Goodes is one of the AFL's most gifted athletes so it's fitting the star midfielder returns to the Sydney team on Saturday on day one of the Beijing Olympics.

It has been a tough season for the dual Brownlow Medallist.

News emerged on Friday that Goodes is one of five players believed to have been targeted by threatening letters in the lead-up to the Victoria-Dream Team Hall of Fame tribute match in May.

"Following a number of media enquiries this morning regarding the linking of a Sydney Swans player to a police matter, the Sydney Swans do not intend to comment given it is an ongoing police investigation," the club said in a statement.

Swans midfielder Jarrad McVeigh was unaware of the issue when asked by reporters at Sydney's Coogee beach.

"If that happened that's not great, but it's the first I've heard of it," he said.

On the field, the ride has also been a bumpy one for Goodes. The Victorian was restricted in his movements in Sydney's shock loss to Adelaide two rounds ago and was rested last week as he tried to overcome a groin injury.

But Sydney coach Paul Roos says the 28-year-old is fit to play on Saturday night at the SCG against the 13th-placed Fremantle as the Swans try desperately to regain form and hold onto fourth spot.

"Goodesy is no problems," Roos told AAP.

"He did the whole session (on Thursday night). He's fine, he's no problems at all."

The Swans, who are limping into the finals with four losses in their past five games, have also regained fullback Leo Barry from a hamstring injury. Creative halfback Nick Malceski has been named in the reserves in his comeback from a recent calf-muscle problem.

Malceski is a possible inclusion however with doubt remaining over Barry's fitness.

"Leo just did a bit of running so we'll check on him tomorrow," Roos added.

The Dockers bring good form to Sydney with successive wins over Melbourne, Port Adelaide and West Coast, although their last victory at the SCG was in 1996.

"We are not kidding ourselves. We've played three sides that are around us on the ladder so this is going to be another step up or two again this week," Dockers assistant coach Chris Scott said in Perth.

The Dockers regain Roger Hayden and Andrew Browne, losing Jeff Farmer (suspension) and the retired Shaun McManus.

"They're a very good team Fremantle. They can beat anyone," McVeigh said.

"It's a huge game for the team and we can really consolidate a spot in the top four."

Sydney and fifth-placed North Melbourne are on 42 points, although the Kangaroos may struggle against second-placed Western Bulldogs on Sunday.

McVeigh, a Sydney product, plays his 100th game this week and is coming off a brilliant six-goal effort last week against the `Dogs at Manuka Oval.

"I just got lucky a few times I suppose," the 23-year-old said.

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