Dee Stakes: Aidan O'Brien adds 10th Chester prize with San Antonio; now 25/1 for The Derby
Aidan OBriens three-year-old got the better of Alder for Ryan Moore, giving OBrien a 10th victory in the Chester feature; that winner is now 25/1 for the Betfred Derby, with the yard also likely to run Guineas disappointment Auguste Rodin