Former Queensland State of Origin lock Scott Sattler has revealed Brad Fittler and Blues officials hold grave concerns for five-eigth Luke Keary ahead of this year’s Origin series.

Keary was one of several Roosters added to Fittler’s squad but Sattler believes Keary may not make the side for Game I.

“I’m also hearing there is a bit of a concern for Freddy (Fittler) – and that coaching team for the NSW Blues, there is a concern with Luke Keary and the head knocks he gets,” Sattler said on SEN.

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“The more you get knocked out, the shorter your wick gets – you get knocked out a lot easier.

“He has suffered some pretty bad head knocks and there are some concerns with playing Keary at Origin level.”

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Keary is yet to represent NSW with some fans questioning whether he should play at all after Keary once went on record saying his allegiance was with Queensland.