Johannesburg is US Champ Irish colt Johannesburg was last night hailed as the best two-year-old to race in the USA in 2001.Aidan O`Brien`s unbeaten youngster, rated Europe`s champion juvenile in the international classifications unveiled earlier this month, topped the American 'Experimental Free Handicap' on a mark of 126lb.He won Group One races in Ireland, France and Britain last year before collecting the Breeders` Cup Juvenile at Belmont Park.Johannesburg is the first overseas two-year-old to head the US ratings since Arazi did so after winning the Juvenile in 1991.Godolphin`s Breeders` Cup Juvenile Fillies winner Tempera, who was trained in America by Eoin Harty, was rated top two-year-old filly.
