The Bases and Foul Lines: 1861–1867: National Association of Base-Ball Players

Baseball history diagram: Bases and Foul Lines: 1861–1867: National Association of Base-Ball Players. Starting in 1861, third and first base Foul Ball Lines were first specified in the playing rules to be marked on the playing field. They extended from the center of Home Base to the 30 yard mark at third and first base only. Click diagram to return to previous page.