O`Brien entries dominate Sussex Stakes More than half the field of 10 milers remaining in Wednesday's Sussex Stakes are trained by Aidan O'Brien.That was the outcome following today's confirmation stage for the Group One event.O'Brien will pick from Sagitta 2000 Guineas winner Rock Of Gibraltar, Royal Ascot victor Sophisticat, Bach, Shoal Creek, Landseer and Sahara Desert, to carry the hopes of Ballydoyle in the one-mile contest.Best Of The Bests and Noverre are the Godolphin options for the showpiece while the only remaining entrants not represented by the Coolmore and Dubai battalions are the Sir Michael Stoute-trained No Excuse Needed and Reel Buddy from Richard Hannon's yard.