Aidan O’Brien expects Ryan Moore will have a tricky time choosing his Betfred Derby ride – but Delacroix might be in pole position.

The Dubawi colt, who is out of the late and great Tepin, has won both starts this year, in the Ballysax Stakes and the Leopardstown Derby Trial, a route taken in the past by the likes of O’Brien giants such as Galileo and High Chaparral.