Douglas Vernon DeCinces (/dəˈsɪn.seɪ/ də-SIN-say; born August 29, 1950) is an American former professional baseball player. He played in Major League Baseball (MLB) as a third baseman from 1973 to 1987 for the Baltimore Orioles, California Angels and St. Louis Cardinals. He also played for one season in the Nippon Professional Baseball league for the Yakult Swallows in 1988.