Hirotaka Koishi (小石 博孝, Koishi Hirotaka, born April 13, 1993) is a professional Japanese baseball player. He plays pitcher for the Saitama Seibu Lions.
Hirotaka Koishi (小石 博孝, Koishi Hirotaka, born April 13, 1993) is a professional Japanese baseball player. He plays pitcher for the Saitama Seibu Lions. (en)
Hirotaka Koishi (小石 博孝, Koishi Hirotaka, born April 13, 1993) is a professional Japanese baseball player. He plays pitcher for the Saitama Seibu Lions. (en)