Brad Fittler has backed Jarome Luai and Nathan Cleary’s ability to perform on the big stage, claiming they have already proven they can do it at Penrith.

How Penrith’s halves are able to adapt the Panthers’ game to the State of Origin arena shapes as the biggest question to determine the fate of the opener.

No players have had more written or said about them in the lead-up to the Townsville clash, with all eyes to again be on them on Wednesday night.

Brad Fittler has backed Jarome Luai (right) and Nathan Cleary’s (left) ability to…