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PORT Adelaide won't name a captain for its match against Geelong on Sunday, deciding instead to rely on its 100-gamers to lead the way.

With the Power's leadership group out injured, coach Matthew Primus said the responsibility would be shouldered equally by the team's most experienced heads.

Primus said that due to Multicultural Round, where players of multicultural heritage will toss the coin before the match, the "symbolic nature" of captaincy had changed.
 
"We've got seven players who have played over 100 games for us that we're expecting to lead for the day," Primus said.

"Like Sydney did for a two-year period when they had four or five captains, we'll have six or seven that are going to be in the different lines.

"[Troy] Chaplin and [Alipate] Carlile, [Jacob] Surjan down back, 'Pearcey' (Danyle Pearce) and Kane [Cornes] through onball, 'Westy' (Justin Westhoff) and 'Ebo' (Brett Ebert) up forward, we're going to expect them to really take control of their areas."

Despite naming a below strength side to travel to Geelong, Primus said injuries would not be an excuse for a poor performance.

"We knew the injuries we had probably two weeks ago from the Bulldogs game, so we knew where we were going to be at," he said.

"The personnel doesn't change the way we're going to play, whoever we bring in we expect to play a certain way.

"Players come in, they might have played five games compared to the 150-gamer that's out, but we still expect you to set up in the right position, we still expect you to attack the ball, we still expect you to move the ball, all those things don't change."

A timely inclusion for the Power is key defender Carlile, who missed the side's last game because of an unacceptable fitness standard.

Primus said Carlile had corrected his issues.

"He's pulled up really well and hit his benchmarks for his fitness stuff that we wanted him to and he also pulled up well from his calf," Primus said.

"We'll continue to keep an eye on him and he knows that if he sticks to those [standards] it's going to help his footy and then help us as a team."

Primus said Carlile hadn't adhered to the diet and fitness expectations of an AFL footballer, and the club had put measures in place to help.

But Carlile's position in the side came with a warning; there would be no leniency if he slipped up in the future.
 
"If he goes outside those guidelines the same will happen again," Primus said.

"It's more what you're doing Monday to Friday than what 'Bobby' does out on the training track or game day."

Harry Thring covers Port Adelaide news for AFL.com.au. Follow him on Twitter: @AFL_Harry