AFL royalty paid tribute to Adelaide Crows coach Phil Walsh at a memorial service, where he was remembered as a wonderful man.

The service was for invited guests only with family, friends and members of the football community among those attending.

Western Bulldogs coach Luke Beveridge said it was an opportunity for the football community to come together, take a breath and understand how important it is to live each day "to the max".

He said Walsh was remembered in many ways.

"That shows the depth of the man and the colours in his life," Beveridge said.

"We are all fortunate to have met him and to have known him."

Collingwood president Eddie McGuire said it was great for the football community to come together to pay respects to a wonderful man who lived his life as a football person.

"It was great that everyone was there to offer some support to the family," he said.

Most guests at Wednesday's service were ushered into the oval by car, including players and members of the Walsh family, with only a handful making the walk from the city across the Adelaide Oval footbridge.

They included AFL boss Gillon McLachlan, Collingwood coach Nathan Buckley, McGuire and Hawthorn coach Alastair Clarkson.

They were greeted by Adelaide Crows boss Andrew Fagan.

Walsh died of stab wounds at his Adelaide home earlier this month.

His son Cy has been charged with his murder.

Meanwhile St Kilda could leave it until the last possible moment before deciding whether skipper Nick Riewoldt has recovered well enough from a calf injury to play in Sunday's AFL match against Richmond honouring his late sister.

Riewoldt, 32, is in serious doubt for the game after straining his calf during last weekend's loss to the GWS Giants in Sydney.

Riewoldt is understandably desperate to play in the Etihad Stadium clash against a Richmond side featuring his cousin Jack which will double as the major fundraiser for the newly-formed Maddie Riewoldt's Vision, created in honour of the 26-year-old who died of aplastic anaemia in February.

But he won't undergo any alternative medical treatment.

"Anything that is available, you would do any given week anyway," Nick Riewoldt said on Wednesday."We'll treat it as best as we can, as professionally as we can."

Riewoldt described himself a "big chance" to play and will test the calf at training on Thursday.

He said it was up to the club to decide how late to leave a decision. - AAP