Arthur's Kingdom (Ire)

A field of 15 have been declared for Saturday's G1 Dubai Duty Free Irish Derby at The Curragh, with Aidan O'Brien responsible for six. The master of Ballydoyle's main chances appear to be last week's G2 Queen's Vase winner Santiago (Ire) (Authorized {Ire}) and G2 King Edward VII S. runner-up Arthur's Kingdom (Ire) (Camelot {GB}) in the largest field since 1977. Santiago has been done no favours by the draw, having been posted wide in 11 while Joseph O'Brien has a trio engaged headed by Scott Heider's unbeaten G3 Gallinule...