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.
Source: “Hirotaka Koishi”, English Wikipedia (CC BY-SA 4.0), excerpt
🎓 Rissho University🏫 Tsurusaki Technical High School📅 Born April 13🎂 Born 1987📍 From Hiji, Oita Prefecture💼 Baseball
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