Date of Birth: 
Place of Birth: Yokosuka, Kanagawa Prefecture, Japan
About Naoyuki Kotani
- Naoyuki Kotani (born December 8, 1981) is a Japanese mixed martial artist currently competing in the Lightweight division.
- A professional competitor since 2000, he has formerly competed in PRIDE, Pancrase, UFC, Vale Tudo Japan, and RINGS.
Read more at Wikipedia