Jack Gordon Westrope (January 18, 1918 - June 19, 1958) was the top jockey for the United States as an apprentice at the age of 15. Born the son of an owner/trainer, in 1933 Westrope won 301 races of the 1,224 races he competed in earning the 1933 United States Champion jockey in wins. Jack Westrope competed all over the United States and Cuba and won 2,467 races highlighted by victories at the 1938 Santa Anita Derby, the 1941 Hollywood Cup, the 1946 and 1950 Hollywood Derbies and the 1949 Del Mar Derby. Westrope was fatally injured in 1958 when he was thrown from Well Away into the rail during the 1958 Hollywood Oaks. He won 2,467 of the 17,497 races he ran. Jack Westrope was inducted into the National Museum of Racing and Hall of Fame in 2002.