All of a sudden it's not such a happy new year for Fremantle ruckman-forward Zac Clarke.
Clarke is set to miss up to eight weeks of pre-season training after injuring his right knee while attending a music festival.
The 23-year-old injured his posterior cruciate ligament on Tuesday while at The Falls Music and Arts Festival in Victoria.
"At this stage Zac is not expected to require surgery and will undergo a normal rehabilitation program for the injury," Dockers football operations manager Chris Bond said.
It was not revealed exactly how Clarke sustained the injury.
Clarke, originally from Victoria, was drafted by Fremantle in 2008. He has played 53 games, including last season's grand final. His 17 games last season was his most in one season and he had become a productive member of a powerful team.
Fellow Dockers ruckmen Kepler Bradley and Jon Griffin are also recovering from knee injuries which ruined their 2013 season.