AIDAN O’Brien’s grip on the world’s most famous Flat race, the Betfred Derby (4.00pm), shows no signs of loosening.The Master of Ballydoyle has won the last three renewals of the Classic with Auguste Rodin, City Of Troy and Lambourn and has 11 Derby wins in total, more than any other trainer.This year, O’Brien has seven [...]

Champion trainer vying to become first to win four successive Blue Ribands

AIDAN O’Brien’s grip on the world’s most famous Flat race, the Betfred Derby (4.00pm), shows no signs of loosening.The Master of Ballydoyle has won the last three renewals of the…