On July 14, 1991 Pitcher Kip Gross loses two games, in two different leagues, 1,100 miles apart. The Cincinnati Reds hurler takes the loss in the Reds’ 10 – 6 defeat by the Pittsburgh Pirates, and also becomes the loser of a game played by the Triple-A Nashville Sounds. It is the completion of a game in Denver which had been suspended by rain back on May 15.
Source
Baseball Reference July 14