10/3/1972 1972 – Roric Harrison homers as Baltimore beats Cleveland 4 – 3 in the second game of a doubleheader. With the designated hitter rule on the horizon, it will be the last home run hit by an American League pitcher until interleague play 25 years later.

On October 3, 1972.00 1972 – Roric Harrison homers as Baltimore beats Cleveland 4 – 3 in the second game of a doubleheader. With the designated hitter rule on the horizon, it will be the last home run hit by an American League pitcher until interleague play 25 years later.