EPSOM, England, June 5 : Britain and Ireland's top three-year-old colts line up on Saturday to contest the 2 million-pound ($2.7 million) Epsom Derby, a unique test of stamina and speed run over the undulating Epsom Downs since 1780.Among them are four elite colts from dominant trainer Aidan O'Brien, who is l

Aidan O’Brien trains four of the candidates for the Betfred-sponsored race including big race favourite Benvenuto Cellini, the likely mount of Ryan Moore

O’Brien’s other contenders are Pierre Bonnard, Action and Christmas Day