- Given Name: 윤성현, Yoon Sung Hyun
- Pro MMA Record: 0-2-0 (Win-Loss-Draw)
- Nickname: N/A
- Current Streak: 2 Losses
- Age & Date of Birth: N/A
- Last Fight: March 11, 2009 in SRC
- Weight Class: | Last Weigh-In: N/A
- Affiliation: N/A
- Height: N/A | Reach: N/A
- Career Disclosed Earnings: $0 USD
- Born: South Korea
- Fighting out of: South Korea
Regional Rankings Rankings FAQ
Sung Hyun Yoon 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.