Port Adelaide remain uncertain if injured stars Robbie Gray and Tom Jonas will return for a road stretch that could define their AFL season.
Co-captain Jonas (calf) has missed the past four games and Gray (broken hand) the last three, with the pair to face fitness tests later this week.
The eighth-placed Power meet Hawthorn in Tasmania on Saturday followed by clashes against St Kilda in China, a bye and a trip to Perth to play Fremantle.
