Date of Birth: 
Place of Birth: Tokyo, Japan
About Yuya Shirai
- Yuya Shirai (born April 2, 1980) is a Japanese professional mixed martial artist currently competing in the Welterweight division.
- A professional competitor since 2003, Shirai has fought for ONE FC, DEEP, BAMMA, Glory World Series, M-1 Global, Pancrase, DREAM, and is a former DEEP Welterweight Champion.
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