Warriors front-rower Sam Lisone faces a possible two-week suspension for raising his elbow against Raiders playmaker Aidan Sezer twice in as many minutes in their 20-19 NRL win in Canberra yesterday.

The incidents add further controversy to the Warriors' dramatic come-from-behind victory at GIO Stadium, after neither was penalised and the visitors went on to kick field goals at the end of both sets to steal victory.

Warriors halfback Shaun Johnson kicked the first field goal in the 78th minute to level the scores before repeating the feat in the final minute to give his side the lead for the first time in the match.

The two incidents came when Lisone made carries with the football from the kick-offs, with Sezer left clutching at his neck following the first hit-up with two minutes left to play.

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Lisone's second carry finished with Sezer falling to the ground and again holding his neck before finding his way back into the defensive line.

On-field referees Grant Atkins and Jon Stone detected the incident but neglected to blow a penalty, however the NRL match review committee have hit Lisone with two grade one charges for dangerous contact.

Taking the early guilty plea on both would see Lisone miss next Saturday's clash against the Sydney Roosters at Allianz Stadium.

The 24-year-old would need to contest one charge and win and take an early plea on the other to escape a ban.

Sezer was also involved in an earlier incident that saw Warriors front-rower Adam Blair sinbinned and placed on report for a late shot in the seventh minute.

Blair has also been slapped with a grade one dangerous contact charge but despite having a prior non-similar offence in the last two years, will be free to play next weekend with an early guilty plea.

Warriors coach Stephen Kearney did not think Blair had a case to answer.

"The (penalty) where he got sent to the bin was off the back of a number of penalties that we had against us," said Kearney.

"What's Adam supposed to do? I tell my players that the halves are very dangerous, that they show the footy a lot, and I don't want them sneaking through the defensive line.

"So I think he's fine."

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