Benji Marshall, step right up. The veteran playmaker has been thrust into the hot seat for Brisbane's qualifying final against the Roosters after Broncos fullback and skipper Darius Boyd was ruled out with a hamstring injury.

Marshall will return to the Tigers in 2018 but still has a vital role to play for Brisbane, who enter the clash at Allianz Stadium minus Boyd, hooker Andrew McCullough and prop Korbin Sims.

Boyd had been given some hope of suiting up but ruled himself out on Monday, telling Fox Sports he had endured a weak hamstring since snapping his Achilles in 2015.

"I'm not playing. Hammies, you can't rush them," Boyd said. "It's nothing new, I've been dealing with it for a couple of years now - it's old age.