Richard Alan Sisler was an American player, coach, and manager in Major League Baseball. The son of Hall of Fame first baseman and two-time .400 hitter George Sisler, Dick Sisler's younger brother Dave was a relief pitcher in the 1950s and 1960s with four MLB teams, and his older brother George Jr. was a longtime executive in Minor League Baseball (MiLB).

George Harold Sisler, nicknamed "Gorgeous George", was an American professional baseball first baseman and player-manager. From 1915 through 1930, he played in Major League Baseball (MLB) for the St. Louis Browns, Washington Senators, and Boston Braves. He managed the Browns from 1924 through 1926.