Coolmore boss John Magnier has led the tributes to one of the sport's biggest icons, the legendary nine-time Derby-winning jockey Lester Piggott, who he labelled as "the greatest" following his death at the age of 86. Piggott rode his first Derby victory for former Ballydoyle boss, the late Vincent O'Brien, in 1968 aboard Sir Ivor. They combined to win the race four times together, including with Nijinsky (Can) in 1970, Roberto in 1972 and The Minstrel (Can), for whom the colt's owner Robert Sangster, Piggott was then contracted to ride...