Erson Yamamoto
“ Badman ”
Erson Yamamoto is a Japanese mixed martial artist with a professional record of 7-8 across 15 bouts. They've won 2 by KO/TKO, 1 by submission and 4 by decision — a 43 % finish rate. Most wins come by decision. Currently on a 2-fight win streak. Last competed July 2026 (active). Has fought most often in Japan (14 bouts).
Fight locations (7 venues)
Career timeline — fights by year
Frequently asked
What is Erson Yamamoto's MMA record?
Erson Yamamoto has a professional MMA record of 7-8 — 2 wins by KO/TKO, 1 by submission, 4 by decision.
How does Erson Yamamoto usually win?
They most often win by decision (4 of 7 wins).
How does Erson Yamamoto usually lose?
Most of Erson Yamamoto's losses come by submission (5 of 8).
Is Erson Yamamoto still active?
Erson Yamamoto last competed in July 2026, and is considered active (no bout in over two years).
What is Erson Yamamoto's fastest finish?
KO/TKO of Jesse Rogge in 2:01 (Rd 1) at KOTC - Fire Starter.
Where is Erson Yamamoto from?
Erson Yamamoto is a Japanese mixed martial artist.
What is Erson Yamamoto's longest MMA win streak?
Erson Yamamoto's longest winning run on record is 2 straight victories.
Where does Erson Yamamoto rank in MMA?
Erson Yamamoto sits at #17,875 of 32,631 fighters in the Fight Forensics global MMA rankings.