Koshiro Yamamuro
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.

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1987 births
Living people
Baseball people from Yokohama
People from Seya, Yokohama
Aoyama Gakuin University alumni
Japanese baseball players
Nippon Professional Baseball pitchers
Chiba Lotte Marines players