O'Brien enters 40 in Dewhurst

Newmarket’s Darley Dewhurst Stakes on October 16 has received 139 entries, 26 more than last season.

Irish trainer Aidan O’Brien, successful in the seven-furlong event three years ago courtesy of Rock Of Gibraltar, has 40 of the entries, headed by Oratorio and Russian Blue, second and third respectively behind Damson in the Phoenix Stakes at the Curragh earlier this month.