Gold Coast has confirmed key defender Rory Thompson has ruptured his anterior cruciate ligament.
Thompson went down at training in an innocuous incident on Friday, injuring his left knee, according to the Suns.
It is likely to see him miss the entire 2019 season.
“It’s unfortunate for Rory, as he’d put together a really strong pre-season which has seen him complete the majority of the program,” Gold Coast's general manager of football operation Jon Haines said.
“Rory is a much loved member of our playing group, we’ll make sure the Gold Coast family will support him thoroughly throughout the recovery process.
“After playing 17 games last season and having some great consistency throughout the pre-season we were looking forward to Rory playing a key role for the club down back this year.
“As an entire club, we’ll make sure we get behind Rory to help him get through the next 12 months.”