Fremantle coach Mark Harvey insists the pressure of his AFL job isn't getting to him, but says the treatment being dished out to Richmond counterpart Terry Wallace is unacceptable.

Both coaches are under immense pressure following winless starts to the season, with Wallace even waking up to the headline 'Death Row' earlier in the week.

"To me that's unacceptable," Harvey said on Wednesday.

"To maybe editors it looks okay but take into consideration Terry's family.

"I think that's where we've got to tidy up our act.

"You've always got to be mindful of what you say or do in the public domain whether you're in the media or you're a coach or a player.

"I think we are all held accountable for that.

"What's become quite interesting in the AFL ... is how quickly we tend to jump down what coaches are doing.

"I don't know whether that's because player behaviour is actually a lot better now and we tend not to be able to harp on that now, so we come back to coaches a little bit."

Fremantle, devoid of confidence following yet another disastrous start to a season, face a white-hot St Kilda outfit at Etihad Stadium on Saturday night.

The Saints disposed of West Coast by 97 points last week but a defiant Harvey said his charges were ready for the challenge.

"We are giving a young side experience in all areas of the game, we are not daunted by the fact we are playing St Kilda," he said.

"Morale is really good.

"The challenge for the group is to be able to sustain what we've got and to and see whether that's good enough to beat a side like St Kilda knowing they are playing at their peak.

"St Kilda are putting sides away big time."

The Dockers will be boosted by the return of sweeping defender Roger Hayden, who missed the opening three games of the season with a hamstring injury.

"He's a quality player and he's a player we've sadly missed," Harvey said.

"Against a hard-running side with a lot of small, good forwards, Roger will need to play at least 80 per cent of game time."

Paul Duffield also returns after spending a week in the WAFL, replacing last week's debutant Greg Broughton, who has been ruled out with an ankle injury.

Ruckman Aaron Sandilands failed to train on Wednesday but Harvey said there were no injury concerns with the 211cm giant.

But injury-plagued veteran Des Headland (calf/Achilles tendon) is still at least three weeks away from resuming in any capacity, while a similar time frame has been put on young forward Chris Mayne (foot).

Midfielder Andrew Browne has been ruled out for up to a month after sustaining ligament damage in his shoulder.

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