Don Cooper, Former MLB Pitcher and Chicago White Sox Coach, Dies at 70

Flint Saginaw Bay City, MI, September 24, 2026 —

Don Cooper, whose career spanned decades as a Major League Baseball pitcher and later as a highly regarded pitching coach, has died at the age of 70.

Cooper was most recently known for his extensive tenure as the pitching coach for the Chicago White Sox. During his time with the team, he worked with numerous pitchers and played a significant role in the development of the club’s pitching staff. Further details regarding the circumstances of his passing, including the date and cause, were not immediately available.

Before transitioning to coaching, Cooper had a career as a professional pitcher. Specific details about the teams he played for as a pitcher and the duration of his playing career were not provided in the summary. His coaching career extended beyond his most recent role, though specific prior coaching assignments were not detailed.

Throughout his involvement in baseball, Cooper was recognized for his dedication to the craft of pitching and his ability to connect with players. His contributions to the White Sox organization and the broader baseball community are noted. Information regarding any surviving family members or memorial services was also not included in the available summary.

Story summarized from the original created by Matt Connolly on www.mlive.com, see more information here.

Media gallery