A popular jockeys' room valet and former jockey, Luis Leon passed away peacefully Tuesday evening at age 90, according to his son David. He suffered a heart attack recently and succumbed to the effects of the COVID-19 virus while hospitalized. Leon is survived by his wife Juanita, a daughter Sylvia and four sons, Louis, Jr., David, Mike and Victor. Services are pending. Born Sept. 7, 1930 in Fresno, California, Leon became a contract rider with Rex Ellsworth in the 1950s and 60s. While working under Hall of Fame trainer Mesh...