- Given Name: 山口皓大
- Amateur MMA Record: 0-3-0 (Win-Loss-Draw)
- Nickname: N/A
- Current Streak: 3 Losses
- Age & Date of Birth: N/A
- Last Fight: December 16, 2017 in JMMAF
- Weight Class: Featherweight | Last Weigh-In: N/A
- Affiliation: Paraestra Hachioji
- Height: N/A | Reach: N/A
- Career Disclosed Earnings: $0 USD
- Born: N/A
- Fighting out of: Japan
Regional Rankings Rankings FAQ
Kota Yamaguchi is ineligible for regional rankings due to inactivity.
Fighters must have at least one completed MMA bout in the past two years to be ranked.