Ila Borders, the first woman to play in men’s professional baseball, retires at age 26. Borders was pitching for the Zion Pioneerzz of the Western Baseball League.

On June 30, 2000 Ila Borders, the first woman to play in men’s professional baseball, retires at age 26. Borders was pitching for the Zion Pioneerzz of the Western Baseball League.

Source
Baseball Reference June 30