Arthur Pickens (July 8, 1888 - January 16, 1944) was an American Thoroughbred horse racing jockey who won the most prestigious race in both the United States and Canada.Pickens began his career working as an exercise rider in 1906. Two years later, nineteen-year-old Arthur Pickens became the youngest jockey to ever win the Kentucky Derby when he rode named Stone Street to victory over Bashford Manor Stable's heavy favorite, Sir Cleges.