Leland Stanford "Larry" MacPhail Sr. was an American lawyer and an executive in Major League Baseball. He served as a high-ranking executive, including club president and general manager, with the Cincinnati Reds, Brooklyn Dodgers and New York Yankees, and was a one-third owner of the Yankees from 1945 through 1947. MacPhail's sons and grandsons were also sports executives. He was inducted into the National Baseball Hall of Fame in 1978.