KILDARE, Ireland--A hugely impressive Group 2 winner with Classic pretensions is just the kind of update every breeder dreams of within days of a major yearling sale, and that is exactly what Luxembourg (Ire) (Camelot {GB}) delivered in the Beresford S. at the Curragh on Saturday on only his second start. He had himself been sold by breeder Ben Sangster for 150,000gns but his brother, offered as lot 366 through the Castlebridge Consignment, caused the same buyer MV Magnier to dig deeper into his pockets for the colt to become...