Graham Buddry reflects on the flickers, flashes and final brilliance of Ballydoyle’s brightest shooting star

High Chaparral, right, ridden by Johnny Murtagh When you consider the amazing amount of champions to come out of Aidan O’Brien’s Ballydoyle stable over the years you would probably be caught out by being asked to name the one which received the highest Timeform rating. Just think of the champions they have had. Would you opt for the great Galileo (rated 134), High Chaparral (132), Giant’s Causeway (132), Yeats (128), Rock Of Gibraltar (133), Hen...