Standout achievements
Mamoru Yamaguchi is a Japanese mixed martial artist with a professional record of 31-13-5 across 49 bouts. They've won 11 by KO/TKO, 4 by submission and 16 by decision — a 48 % finish rate. Most wins come by decision. Currently on a 3-fight skid. Last competed May 2019 (inactive). Has fought most often in Japan (45 bouts).
Fight locations (12 venues)
Career timeline — fights by year
Frequently asked
What is Mamoru Yamaguchi's MMA record?
Mamoru Yamaguchi has a professional MMA record of 31-13-5 — 11 wins by KO/TKO, 4 by submission, 16 by decision.
How does Mamoru Yamaguchi usually win?
They most often win by decision (16 of 31 wins).
How does Mamoru Yamaguchi usually lose?
Most of Mamoru Yamaguchi's losses come by decision (8 of 13).
Is Mamoru Yamaguchi still active?
Mamoru Yamaguchi last competed in May 2019, and is considered inactive (no bout in over two years).
What is Mamoru Yamaguchi's fastest finish?
KO/TKO of Stonnie Dennis in 1:36 (Rd 1) at Shooto - 5/4 in Korakuen Hall.
Where is Mamoru Yamaguchi from?
Mamoru Yamaguchi is a Japanese mixed martial artist.
What is Mamoru Yamaguchi's longest MMA win streak?
Mamoru Yamaguchi's longest winning run on record is 9 straight victories.
Where does Mamoru Yamaguchi rank in MMA?
Mamoru Yamaguchi sits at #3,343 of 32,631 fighters in the Fight Forensics global MMA rankings.