Aidan O'Brien looking for fourth Irish Oaks victory at the Curragh but Hugo Palmer may have the 'architect' of his downfall

Aidan O'Brien looking for fourth Irish Oaks victory at the Curragh but Hugo Palmer may have the 'architect' of his downfall
Aidan O’Brien holds a vice-like grip on Saturday’s Darley Irish Oaks with hot favourite Even Song heading a potent quartet bound for the Curragh.