Diamond Necklace (St Mark's Basilica) and Precise (Starspangledbanner), both Group 1-winning juveniles trained by Aidan O'Brien, headline 53 entries for the Betfred Oaks at Epsom on Friday, June 5. Unbeaten in three starts as a two-year-old, Diamond Necklace was last seen winning the Prix Marcel Boussac at ParisLongchamp, while Precise rattled off four straight victories as a two-year-old after being beaten on her debut at Fairyhouse, culminating with back-to-back Group 1 wins in the Moyglare Stud Stakes and Fillies' Mile. In total, O'Brien has entered 15 fillies in his quest...