Koshiro Yamamuro (山室 公志郎, born July 14, 1987) is a Japanese former professional baseball pitcher. He played with the Chiba Lotte Marines in Japan's Nippon Professional Baseball in 2010.
Koshiro Yamamuro (山室 公志郎, born July 14, 1987) is a Japanese former professional baseball pitcher. He played with the Chiba Lotte Marines in Japan's Nippon Professional Baseball in 2010. (en)