Laurie Daley has faith in Brian To’o being fit for the third State of Origin match in a major boost to NSW’s chances of clinching a series win.

The Penrith ace went for scans on Saturday after hurting his knee and requiring ice following Thursday night’s thrilling victory over Canterbury.

Results received on Sunday morning showed no major injury, leaving the Panthers to contact NSW and confirm To’o could be selected in the official team on Sunday night.

Daley has made no changes to his game-day 17 with Jarome Luai retaining the five-eighth jersey and considered a certainty to play after missing the Tigers’ loss to Manly on Friday due to a boil on his chest.

To’o’s training loads are likely to be managed in the lead-up to kick-off in Sydney on July 9, with his fitness now in the hands of Blues medical staff.

NSW have already successfully navigated two injury niggles this series, though, as Payne Haas and To’o recovered from leg problems in time for Origin I and II respectively.

To’o was the Blues’ best in a tight game-two loss.

The four-time premiership winner crossed for three tries and ran for a game-high 229 metres as the Blues’ comeback fell short in Perth.

Should To’o fail to pull up in time for the decider, Jacob Kiraz will be called into the side after To’o’s hamstring issue put him on stand-by for Origin II.

Kiraz is uncapped at Origin level, but has enjoyed a brilliant 18 months with the resurgent Bulldogs and was named in jersey No.18 by Daley.