- Name: Sebastian Janiszewski
- Amateur MMA Record: 1-0-0 (Win-Loss-Draw)
- Nickname: N/A
- Current Streak: 1 Win
- Age & Date of Birth: N/A
- Last Fight: December 05, 2009 in ECFF
- Weight Class: Middleweight | Last Weigh-In: N/A
- Affiliation: Avaddon MMA
- Height: N/A | Reach: N/A
- Career Disclosed Earnings: $0 USD
- Born: Poland
- Fighting out of: England
Regional Rankings Rankings FAQ
Sebastian Janiszewski 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.