SP PNG Hunters coach Paul Aiton believes his youthful side has what it takes to challenge the Wynnum Manly Seagulls despite another week of injury setbacks ahead of Sunday's Hostplus Cup clash in Brisbane.

The Hunters travel to BMD Kougari Oval looking to avenge their Round Two defeat to the Seagulls and improve on a difficult season that has been hampered by injuries and inexperience.

Aiton said his side had remained positive despite mounting challenges throughout the year.

"There's a lot of outside noise, which is unfortunate, but internally we've changed things around a lot," Aiton said.

"This game is meant to be fun, and we've brought more of that enjoyment back into our training sessions. There's something building within this group."

The Hunters have again been forced to reshuffle their line-up, with Joel Gena and Seal Kalo both in doubt through injury, while promising youngster Felix Beki could make his Hostplus Cup debut.

Aiton said injuries had provided opportunities for several emerging players this season.

"We've had a lot of debutants and possibly another one this weekend," he said.

"Every week we've lost players through injury, but that gives another young player the opportunity to wear the Hunters jersey."

The coach pointed to the lack of experience within the squad, revealing that the team's left-edge combination last weekend had fewer than 30 Hostplus Cup games between them.

"That just shows the inexperience in our side, but we were able to match our opponents in the first half until Sanny was unfortunately sent off."

Despite sitting at the bottom of the ladder, Aiton expects another tough contest against the Seagulls.

"They're a very well-coached side and they've got some really big men, but our boys will be ready for the battle."

The Hunters will also welcome back Whallan Tau-Loi from suspension, with Aiton describing his return as a significant boost.

"He's a great player who does so much work for us. He doesn't always get the accolades, but he's a massive part of our team and we're really happy to have him back."

Aiton said the final seven rounds of the season remained important, not only for the club but also for players hoping to force their way into the PNG Kumuls squad ahead of the Rugby League World Cup.

"There's still plenty of football left and it's a chance for players to put their hand up and show what they can do."