Date of Birth: 
Place of Birth: Kawasaki, Kanagawa Prefecture, Japan
About Mamoru Yamaguchi
- Mamoru Yamaguchi (?? ???, Yamaguchi Mamoru, born May 29, 1977) is a Japanese mixed martial artist.
- He is a former Shooto Bantamweight Champion and a former Shooto Featherweight Champion as well as a former King of the Cage Junior Flyweight Champion.
- He has been consistently ranked as one of the top flyweight in the world by Sherdog's Official Mixed Martial Arts Rankings.
- Mamoru is known for his counter striking and his trilogy with the current Shooto Bantamweight Champion Shinichi Kojima.
- His afro is a tribute to Japanese boxing legend, Yoko Gushiken.
Read more at Wikipedia