Marcin Sianos
UFC DebutNickname“Sciana”
Record
Streak
W1
- Fighting out of
- Kolobrzeg
- Born
- Poland
- Camp
- Berserker's Team
- Weight class
- Heavyweight
- Height
- 6'4" · 193 cm
Before the UFC
Marcin Sianos makes their UFC debut
Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.
Pre-UFC opposition
StrongOpponents' combined record
189-124-4
.604 win rate
Winning-record opponents
9 of 14
carried winning pro records
Pro bouts faced
18
14 opponents with records on file
A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.
UFC fight history
No UFC bouts on record yet.
Outside the UFC
across 18 bouts · 17 promotions · wins by 5 KO · 1 sub · 3 decSFT · Babilon MMA 59 · Babilon MMA 48 · Babilon MMA 46 · FEN 50 +12
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Przemyslaw Mysiala25-13-1 | Decision | Unanimous | R3 | 5:00 | Babilon MMA 59 | Jul 24, 2026 |
| L | Michal Andryszak31-12 | Decision | Unanimous | R3 | 5:00 | Babilon MMA 48 | Oct 12, 2024 |
| L | Oli Thompson23-19 | KO/TKO | Punches | R2 | 1:45 | Babilon MMA 46 | Aug 9, 2024 |
| W | Pawel Biernat4-2 | Decision | Unanimous | R3 | 5:00 | FEN 50 | Sep 2, 2023 |
| W | Patryk Dubiela | Submission | Arm-Triangle Choke | R1 | 2:37 | Babilon MMA 37 | Jul 28, 2023 |
| W | Marcin Kalata3-6 | Decision | Unanimous | R3 | 5:00 | Babilon MMA 30 | Jul 8, 2022 |
| L | Filip Stawowy10-6 | KO/TKO | Punches | R2 | 3:19 | Babilon MMA 26 | Nov 12, 2021 |
| W | Filip Toe5-6 | KO/TKO | Punches | R1 | 2:40 | Runda 10 | Jun 19, 2021 |
| L | Damian Bujkowski | KO/TKO | Punches | R3 | 2:03 | FEN 33 | Mar 27, 2021 |
| L | Adam Palasz10-5 | KO/TKO | Head Kick and Punches | R3 | 3:38 | FEN 28 | Jun 13, 2020 |
| L | Szymon Bajor26-13 | KO/TKO | Elbows | R2 | 2:04 | FEN 26 | Oct 12, 2019 |
| W | Marcin Zontek17-13 | KO/TKO | Punch | R1 | 4:47 | FEN 23 | Jan 12, 2019 |
| L | Decision | Unanimous | R3 | 5:00 | FEN 21 | May 25, 2018 | |
| W | Mateusz Lazowski3-3 | KO/TKO | Punches | R1 | 1:22 | FEN 18 | Aug 12, 2017 |
| L | Tomas Pakutinskas24-17-3 | Decision | Split | R2 | 5:00 | KOK 45 | Mar 18, 2017 |
| W | Adrian Wozniak0-1 | KO/TKO | Punch | R1 | 1:57 | SFT | Oct 19, 2014 |
| W | Jedrzej Martuzalski | KO/TKO | Punches | R1 | 2:07 | SFT | May 19, 2012 |
| L | Tomasz Kowalkowski | Decision | Unanimous | R2 | 5:00 | EFS 1 | Feb 11, 2012 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.