Leslie Harvey Fleming was an American professional baseball first baseman whose 20-year career included all or parts of seven seasons in Major League Baseball as a member of the Detroit Tigers (1939), Cleveland Indians, and Pittsburgh Pirates (1949). Born in Singleton, a small community in Grimes County, Texas, he stood 5 feet 10 inches (1.78 m) tall, weighed 185 pounds (84 kg), and threw and batted left-handed.