On This Date 4/6/1973

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Opening Day for baseball sees earthshaking changes as the American League and National League rules become separate and distinct as the junior circuit adopts the Designated Hitter rule. The first game of the American League season takes place at Fenway Park between the New York Yankees and Boston Red Sox. The first DH to come to the plate is Ron Blomberg, who walks and scores in the top of the first for the Yankees.