Date of Birth: 
About Kohei Arihara
- Kohei Arihara (?? ??, Arihara Kohei, born August 11, 1992 in Hiroshima, Hiroshima, Japan) is a professional Japanese baseball player.
- He plays pitcher for the Hokkaido Nippon-Ham Fighters.
- In 2015, Arihara won the Pacific League Rookie of the Year.
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