Wests Tigers forward Jason Cayless has avoided a charge for his hit on Sydney Roosters back Todd Carney after footage of the incident was deemed "inconclusive".

The NRL match review committee did not lay any charges following the weekend's trials but did issue a statement on the Cayless incident, which occurred during Sunday's Foundation Cup match at the Sydney Football Stadium.

Cayless, who has returned to the NRL after a stint in the English Super League, was put on report for the 63rd minute shot.

"Whilst contact was avoidable from player Cayless, we deemed the video footage available to be inconclusive," the statement read.

"We are unsure of the point of contact made by Cayless with player (Todd) Carney.

"The penalty awarded by the referee is deemed sufficient."

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