A rarity in any professional game occurs when both teams have to use position players on the mound. In the second game of a doubleheader, the Tulsa Drillers bring in catcher Brian Esposito (who has pitched briefly in the minors) in the 10th inning, their 6th hurler of the game. The Springfield Cardinals counter with Matt Pagnozzi, another backstop, an inning later. After 3 scoreless innings, Pagnozzi allows 4 runs in the 13th, while Esposito goes 2 1/3 scoreless innings for the 7 – 3 win.

This Day In Baseball

On July 14, 2008 A rarity in any professional game occurs when both teams have to use position players on the mound. In the second game of a doubleheader, the Tulsa Drillers bring in catcher Brian Esposito (who has pitched briefly in the minors) in the 10th inning, their 6th hurler of the game. The Springfield Cardinals counter with Matt Pagnozzi, another backstop, an inning later. After 3 scoreless innings, Pagnozzi allows 4 runs in the 13th, while Esposito goes 2 1/3 scoreless innings for the 7 – 3 win.

Source
Baseball Reference July 14