1900 – A mechanical pitching machine is used in a game between the Memphis Chicks and the Nashvilles. The invention of Princeton professor Charles Hinton, the early pitching gun strikes out two and allows three hits in two innings.

On August 13, 1900 — 1900 – A mechanical pitching machine is used in a game between the Memphis Chicks and the Nashvilles. The invention of Princeton professor Charles Hinton, the early pitching gun strikes out two and allows three hits in two innings.

Source:
Baseball Reference August 13
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game