- Name: Marcin Siemieniuk
- Amateur MMA Record: 0-1-0 (Win-Loss-Draw)
- Nickname: N/A
- Current Streak: 1 Loss
- Age & Date of Birth: N/A
- Last Fight: April 08, 2018 in ALMMA
- Weight Class: Lightweight | Last Weigh-In: N/A
- Affiliation: N/A
- Height: N/A | Reach: N/A
- Career Disclosed Earnings: $0 USD
- Born: Poland
- Fighting out of: Poland
Regional Rankings Rankings FAQ
Marcin Siemieniuk 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.