On August 2, 1991 — Mike Jeffcoat of the Rangers gets an RBI double in the 9th inning of a 15 – 1 win over the Brewers. He becomes the first American League pitcher to drive in a run in a game since the designated hitter rule went into effect in 1973, and the first AL pitcher to get a hit since Ferguson Jenkins did so on October 2, 1974.
Source:
Baseball Reference August 2
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