Jones will miss the beginning of the season after sustaining a high-grade hamstring strain.

Treloar sustained an acute muscle strain in his calf and will enter a rehab model for the next 8-10 weeks.

Bontempelli sustained a complex calf injury during the Club's pre-season match against Hawthorn.

Johannisen has undergone a minor surgical procedure after injuring his hamstring during training.

Weightman is set to undergo knee surgery and will miss the start of the AFL season.