Kōsuke Yamamoto is a Japanese professional baseball player known for his skills as a pitcher. He was born on June 1, 1994, in Osaka, Japan. Yamamoto has played for the Orix Buffaloes in the Nippon Professional Baseball (NPB) league, where he has gained recognition for his strong performances on the mound. Throughout his career, Yamamoto has achieved several accolades, including being named an NPB All-Star. His pitching style is characterized by a powerful fastball and effective breaking pitches, making him a key player for his team. Fans and analysts alike appreciate his competitive spirit and dedication to the sport.