Manly hooker Lachlan Croker will miss tonight's final against Melbourne after succumbing to a back injury.
The 24-year-old complained of tightness in his lower back after training yesterday and has since been ruled out.
Karl Lawton will start at hooker instead, while Curtis Sironen comes in on the interchange.
Meanwhile, all eyes will be on the official team sheet an hour before the game starts to see whether Storm superstar Cameron Munster takes to the field.
Munster missed his side's clash last week due to a knee infection.
"It's not so much he's got a knee injury, it's more that it's been split open," coach Craig Bellamy said yesterday.
"He's had stitches internally, stitches on the outside and they're just worried about it opening up.
"It's basically up to Cameron really, how comfortable he feels, whether it's going to affect him too much.
"He's done most of the training today so we'll just see how he pulls up but he got around the field OK today. Basically, the decision's up to him."