1943 – Due to wartime travel restrictions, spring training camps begin opening in northern locations. Some of the locales include Bear Mountain, New York (Brooklyn Dodgers), French Lick Springs, Indiana (Cubs and White Sox), Asbury Park, New Jersey (Yankees), Medford, Massachusetts (Boston Red Sox) and Wallingford, Connecticut (Boston Braves).

On March 18, 1943 — 1943 – Due to wartime travel restrictions, spring training camps begin opening in northern locations. Some of the locales include Bear Mountain, New York (Brooklyn Dodgers), French Lick Springs, Indiana (Cubs and White Sox), Asbury Park, New Jersey (Yankees), Medford, Massachusetts (Boston Red Sox) and Wallingford, Connecticut (Boston Braves).