Rangers hurler Bobby Witt becomes the first American League pitcher to hit a home run in a regular season game in nearly 25 years. His round tripper off Ismael Valdes helps Texas beat the Dodgers in interleague action, 3 – 2. Roric Harrison was the last AL pitcher to hit a home run, in 1972, before the introduction of the designated hitter the following year.

This Day In Baseball

On June 30, 1997 Rangers hurler Bobby Witt becomes the first American League pitcher to hit a home run in a regular season game in nearly 25 years. His round tripper off Ismael Valdes helps Texas beat the Dodgers in interleague action, 3 – 2. Roric Harrison was the last AL pitcher to hit a home run, in 1972, before the introduction of the designated hitter the following year.

Source
Baseball Reference June 30