In a 7 – 6 Twins victory over the Royals, rookie Bobby Korecky gets his first big league win with 1 2/3 innings of scoreless relief. More notably, he connects for a single, the first Twins pitcher ever to get a hit outside an interleague contest since the enactment of the designated hitter rule in 1973.

On May 19, 2008 — In a 7 – 6 Twins victory over the Royals, rookie Bobby Korecky gets his first big league win with 1 2/3 innings of scoreless relief. More notably, he connects for a single, the first Twins pitcher ever to get a hit outside an interleague contest since the enactment of the designated hitter rule in 1973.

Source:
Baseball Reference May 19