Dean Treanor

Dean Leroy Treanor (born December 8, 1947) is an American professional baseball player, coach and manager. He played in minor league baseball as a right-handed pitcher. As of March 2023 he coaches the China national baseball team.

Baseball career Treanor is a native and resident of San Luis Obispo, California. He attended Cal Poly San Luis Obispo. There is some discrepancy among sources regarding Treanor's professional playing career. The Indians' official website states that he signed with the Cincinnati Reds and progressed as high as the Double-A level with the Trois-Rivières Aigles of the Eastern League. However, his page on Baseball Reference lists only two total pitching appearances with the Fresno Suns in 1988 (at age 40) and Reno Silver Sox in 1991 (at 43), both of the Class A California League.

In 1988, Treanor returned to baseball as a minor league manager and pitching coach, Through 2016, his 14-season career record as a manager was 1,000–958 (.511).

Treanor served as the pitching coach of his hometown San Luis Obispo Blues—a semi-pro/collegiate team he once managed in the 1970s and 1980s.