Richmond ruckman Toby Nankervis has a high-grade right adductor injury and is expected to miss six to eight weeks.
Nankervis suffered the injury in a ruck contest during the first half of the Tigers' 25-point win over Fremantle at Optus Stadium on Sunday.
Midfielder Jack Ross has a left ankle syndesmosis sprain and currently has no time frame on his injury.
Nankervis, Ross injury updates
Toby Nankervis and Jack Ross are facing medium to long-term stints on the sidelines from their respective injuries sustained in Sunday's win over Fremantle.
