No replacements have been named at this stage.
Menzel injured his knee in the Cats VFL clash with Box Hill two weeks ago. Menzel will decide on a surgery option as early as next week.
Varcoe dislocated his shoulder against the Blues in round three and had surgery two weeks ago. Cats physio Mike Snelling gives an update on Varcoe in this week's Cats TV nib Medical Room.
Lincoln McCarthy and Josh Cowan remain on the long-term injury list. Their replacements are Mark Blicavs and Josh Walker.
