Koshiro Sakamoto

Koshiro Sakamoto (坂本 光士郎) is a professional Japanese baseball pitcher for the Chiba Lotte Marines of Nippon Professional Baseball (NPB). He previously played in NPB for the Tokyo Yakult Swallows.

Tokyo Yakult Swallows
On April 24, 2019, Sakamoto made his NPB debut for the Tokyo Yakult Swallows. He played for the team through the 2022 season.

Chiba Lotte Marines
On July 28, 2022, Sakamoto was traded to the Chiba Lotte Marines in exchange for Daiki Yamamoto.