Bulldogs hooker Michael Ennis is in danger of missing Friday night's NRL clash with St George Illawarra after being charged with a careless high tackle by the match review committee.

Ennis faces a one-match ban whether he takes the early guilty plea or unsuccessfully fights the charge.

The grade two charge stems from a sixth minute high shot on Newcastle opposite Matt Hilder in Saturday night's 20-16 win to the Knights at ANZ Stadium.

Melbourne prop Adam Blair has escaped a biting charge after Cronulla centre Blake Ferguson backed away from making an official complaint and video replays proved inconclusive.

The NRL match review committee on Monday investigated an incident from the 49th minute of Saturday night's Melbourne-Cronulla clash at Toyota Park, where Ferguson appeared to reel out of a tackle involving Blair.

The young Sharks centre began making a complaint to referee Brett Suttor moments after the incident, but the whistleblower told him to wait as he conversed with the video referee over a try to Storm winger Luke MacDougall.

Ferguson then failed to go on with an official complaint to the referee, with the match review committee's investigations also going nowhere.

"We've reviewed the incident and the evidence that would be required to pass a case on is inconclusive," match review committee chairman Greg McCullum said.

The incident is similar to that last year involving St George Illawarra five-eighth Jamie Soward and Manly hooker Matt Ballin, with Ballin refusing to make a complaint despite damning video footage.

Two other players - Warriors pivot James Maloney and the Gold Coast's Bodene Thompson - were also charged after the weekend's matches - both ruled to have made dangerous contact with a kicker.

Neither will be suspended if they plead guilty.

McCullum said Storm winger Anthony Quinn was cleared of any wrongdoing after he was put on report for leading with a forearm in a tackle involving Sharks lock Paul Gallen.

"We felt that his action was more of a fend rather than a strike - his forearm was straight up and down rather than out to the side in a striking action," McCullum said.

"First contact was on the chest and then he pushed upwards. The strike wasn't at the head."

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