Known as The Gray Ghost because of his color and his amazing ability on the racetrack, Native Dancer won all but one of his 22 starts. His lone loss came in the 1953 Kentucky Derby, when he was upset by Dark Star. Native Dancer went on to win the Preakness and Belmont Stakes. But his brilliance was evident even at two, when he won all nine of his starts and was named co-Horse of the Year, an honor not bestowed on a two-year-old horse again until 20...