Gai Waterhouse joined racing.com's Shane Anderson, to preview her leading chances this weekend, headed by Wandjina in the Group 1 Australian Guineas and Cosmic Endeavour in the Group 1 Canterbury Stakes.

Catkins wins 2015 Blackwood Sidchrome Millie Fox Group 2 $175,000 at Rosehill (NSW) 3yo+ Fillies & Mares, 1300m.

Cox Plate winner Adelaide will be the centre of attention when another big list of contenders for The Championships appear in barrier trials at Rosehill on Tuesday.

Selections and best bets for Randwick on January 17.

Early mail, best exotic plays and the Blackook File for Rosehill and Moonee Valley on January 3.