Casey Yamauchi Stats & Bio | Athletics Shortstop

About Casey Yamauchi

Casey Yamauchi brings energy and athleticism to the Oakland Athletics as their shortstop wearing jersey number 98. Born on August 8, 2000, in Hilo, Hawaii, Yamauchi's island roots run deep, having developed his game at the University of Hawaii at Hilo before earning his shot at professional baseball. Standing 5'9" and weighing 155 pounds, Yamauchi exemplifies the kind of scrappy, instinct-driven player who maximizes every ounce of ability on the field. His compact frame and quick reflexes make him a natural fit at shortstop, where agility and sharp decision-making matter most. Representing the Athletics, Yamauchi carries the pride of his hometown community in Hilo, inspiring young players across Hawaii who dream of reaching the major leagues. His journey from the Big Island to professional baseball is a testament to hard work and dedication.

Updated: Mar 21, 2026