Aidan O'Brien has seven horses in first nine of ante - post races for turf . Jockeys William Buick and sire Doyle have been trained by jockey . Ryan stakes and Richard Hughes set for Jockeys Championship turf .
Aidan O'Brien has seven horses in first nine of ante-post betting for Derby . Jockeys William Buick and James Doyle have been recruited by Godolphin . Ryan Moore and Richard Hughes set for Jockeys Championship battle .