Blues centre Stephen Crichton remains in doubt for the Origin series opener in Brisbane. -AAP Image
Payne Haas will play for NSW but Stephen Crichton will need to prove his fitness on the morning of the State of Origin opener.
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The Canterbury captain and star centre is battling a corked quadriceps, suffered in a collision during training on Monday that forced him to leave the session early.
Campbell Graham is on stand-by for the Suncorp Stadium opener if Crichton isn't cleared.
Coach Laurie Daley said he would give his right centre every chance, confident Test talent Graham can slot in at late notice given he had been in camp since day one.
Daley, speaking before Tuesday's captain's run, did clear Brisbane prop Haas despite the Broncos weapon not yet training fully in Blues camp as he battled his own quadriceps complaint.