Huddersfield Giants forward Jason Chan has been rocked by a fresh injury blow after rupturing his bicep.
The 29-year-old, who has recently recovered from a knee problem, is likely to be out of action for around 12 weeks.
Giants coach Paul Anderson will be able to call on the services of Michael Lawrence, who has recovered from a calf strain, to play in the back-row against St Helens on Monday.
Anderson told the Huddersfield Examiner: "You've got to feel for Channy.
"He was showing great form before suffering his knee injury at Leeds and very quickly re-discovered that form when he returned. It was as if he'd never been away.
"So to now suffer a ruptured bicep that'll keep him out for three months is the cruellest of luck.
"It's now just a case of doing the right things for him to get him back playing by August, which we hope will be a very important time of the year for us.
"But we know Channy will be missed, because he's a great player. The onus is on his team-mates between now and August is to make sure he'll be missed as little as possible.