James Barton "Mickey" Vernon was an American Major League Baseball (MLB) first baseman who played for the Washington Senators, Cleveland Indians, Boston Red Sox (1956–1957), Milwaukee Braves (1959), and Pittsburgh Pirates (1960). He also was the first manager in the history of the expansion edition of the Senators, serving from 1961 through May 21, 1963, and was a coach for four MLB teams between 1960 and 1982.