Fighter Details
- Given Name: 正木剛志朗, Masaki Koshiro
- Amateur MMA Record: 1-1-0 (Win-Loss-Draw)
- Nickname: N/A
- Current Streak: 1 Loss
- Age & Date of Birth: N/A
- Last Fight: December 25, 2016 in ZST
- Weight Class: Lightweight | Last Weigh-In: N/A
- Affiliation: Shooto Gym Tokyo
- Height: N/A | Reach: N/A
- Career Disclosed Earnings: $0 USD
- Born: Japan
- Fighting out of: Japan
Regional Rankings Rankings FAQ
Koshiro Masaki 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.
Gyms & Affiliations
Koshiro Masaki MMA Fight Record
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