Don Castle (baseball)

Donald Hardy Castle is a former professional baseball player. He played in four games in Major League Baseball for the Texas Rangers in 1973, three as a designated hitter and one as a pinch hitter.

Castle was originally drafted as a first baseman in the first round in 1968 by the Washington Senators, who became the Rangers in 1972. In addition to his brief major league career, Castle played for eleven years in minor league baseball, finishing his career with the West Haven Yankees in 1978.