No charges were laid by the NRL match review committee following the weekend's games, but four players are facing lengthy bans for a vicious brawl in the Toyota Cup.

The Cronulla-Sydney Roosters under-20s clash erupted just after halftime with three players - gun Roosters centre Ryan Williamson and Sharks pair Ahmad Ellaz and John Viiga - sin-binned following a fight.

All three, along with Roosters hooker Sam Brunton, were on Monday charged over the incident - the foursome facing a total of 15 weeks on the sidelines.

Backrower Ellaz was the hardest hit after being slapped with a grade five contrary conduct charge - the 19-year-old facing a five-week ban or four matches with an early plea.

Viiga and Williamson were both charged with grade four offences which carry four-match bans, though both can cut that by one week with the early plea.

Brunton, who was sin-binned for a later incident, will miss two games with an early plea.

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