Battle Of Marengo proved a convincing winner of the Group 3 PW McGrath Memorial Ballysax Stakes, the highlight of a treble for Aidan and Joseph O’Brien in testing ground at Leopardstown yesterday.

Battle Of Marengo laid down an early marker for the Investec Derby with a determined triumph in the P.W. McGrath Memorial Ballysax Stakes at Leopardstown.

Battle Of Marengo produced a workmanlike performance to land the Juddmonte Beresford Stakes and provide Aidan and Joseph O’Brien with the middle leg a of a treble at the Curragh yesterday

Battle Of Marengo could bid to give Aidan O’Brien a seventh triumph in the Racing Post Trophy at Doncaster after his victory in the Juddmonte Beresford Stakes at the Curragh.

EASILY the most interesting contest at the opening stage of the Killarney festival this evening is the Killarney Avenue/Munster Joinery Handicap, which brings together four useful performers.