5th Hall of Famer Rogers Hornsby dies at age 66 of a heart ailment.
10th The Cubs hire retired Air Force Colonel Robert V. Whitlow as athletic director.
14th The White Sox trade SS Luis Aparicio and OF Al Smith to the Orioles for P Hoyt Wilhelm, OF Dave Nicholson, 3B Pete Ward, and SS Ron Hansen.
26th The ML Rules Committee votes to expand the strike zone, restoring it to pre-1950 standards: from the top of the shoulders to the bottom of the knees.
27th The Hall of Fame Special Veterans Committee votes in Sam Rice, Eppa Rixey, Elmer Flick, and John Clarkson. Rixey reacts to the news, observing, “They put me in the Hall of Fame? They must really be scraping the bottom of the barrel!”
29th James M. Johnston, James H. Lemon, and George M. Bunker purchase 80 percent of the Senators, buying out 5 of the original owners, including club president Pete Quesada. Johnston is elected chairman of the board.