Alrix Da Costa left the field injured during the second half of the match against St Helens on Saturday.

The French hooker suffers an injury to his MCL (ligament collateral interne) that will see him sidelined for a period of weeks.

He needs a period of treatment and rehab with the club medical team.

His recovery will determine his availability.

Fouad Yaha is out of Saturday game against Wigan due to slight hamstring and rib injury. He should be available for Dragons’ next game.