Mitch Barnett knows he needs to aim up.
His teammates need to do the same.
This weekend's encounter will be physically demanding.
Speaking ahead of the nib Newcastle Knights clash against the Penrith Panthers in Round 23, the backrower believes if his team can match the opposition physically, they'll give themselves every chance of securing a win.
"We've got to get the physical challenge right," Barnett said.
"(Regan) Campbell-Gillard is a State of Origin prop now and they've got that (James) Fisher-Harris who is a Kiwi international and (James) Tamou.
"You've got to be physical with them and meet them there.
"If you don't meet them there, you're not going to last. If we can get the physical challenge right, we'll give ourselves every chance."
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Barnett admits he's been disappointed in his own performance of late.
Having been shift from lock to the edge, Barnett feels his efforts have been inconsistent, something he's hoping to address on Saturday.
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"I've always played backrow as a junior, coming through the ranks. I haven't really had to change my game. I've been disappointed with my form of late," he said.
"I've been very disappointed with myself personally. I want to turn around this week and put a good performance in against Panthers."