New Zealand three-year-old Catalyst is out of the $5 million All-Star Mile because of bruising to his four fetlocks.
In-form mare Miss Siska, a half-sister to former star sprinter Hay List, will be chasing her first Group One win in the Australian Cup at Flemington.
Golden Slipper hopeful Global Quest will wear blinkers in an attempt to get back to winning form in the Todman Stakes at Randwick.
Trainer Gordon Richards is confident Lightning Stakes winner Gytrash will also be hard to beat in the Group One Newmarket Handicap at Flemington.
Immediate plans for three-year-old Profit remain unresolved despite his impressive win in a barrier trial at Eagle Farm.