Jacek Buczko
UFC DebutNickname“Butcher”
Record
Streak
L4
Before the UFC
Jacek Buczko 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
234-144-7
.619 win rate
Winning-record opponents
12 of 18
carried winning pro records
Pro bouts faced
20
18 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 20 bouts · 11 promotions · wins by 4 KO · 2 sub · 6 decColosseum · KSW 4 · BS · MMAC · M-1 +6
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Wiktor Sobczyk12-5 | KO/TKO | Doctor Stoppage | R2 | 1:12 | MMAC | Mar 10, 2012 |
| L | Alan Carlos13-12 | Decision | Unanimous | R2 | 5:00 | BS | Oct 26, 2008 |
| L | Tor Troeng16-7-1 | Submission | Rear-Naked Choke | R2 | 2:10 | BS | Apr 20, 2008 |
| L | Amar Suloev24-7 | KO/TKO | Kick and Punches | R1 | — | M-1 | Apr 3, 2008 |
| W | Peter Henes0-2 | Submission | Choke | R1 | 0:00 | CGP | Jun 18, 2006 |
| L | Mamed Khalidov38-9-2 | KO/TKO | Punches | R1 | 4:52 | FCP 2 | Apr 8, 2006 |
| W | Vladimir Yushko19-13-2 | Decision | Unanimous | R3 | 5:00 | KSW 4 | Sep 10, 2005 |
| W | Jason Guida19-28 | Decision | Unanimous | R3 | 5:00 | KSW 4 | Sep 10, 2005 |
| W | Decision | Unanimous | R3 | 5:00 | KSW 4 | Sep 10, 2005 | |
| L | Marian Jones1-0 | KO/TKO | — | R1 | 0:00 | OC | Jun 11, 2005 |
| W | Antoni Chmielewski32-18 | KO/TKO | Punches | R1 | 0:00 | MMA | Mar 18, 2005 |
| W | Lukasz Chlewicki14-8-1 | Decision | Unanimous | R3 | 5:00 | KSW 3 | Jan 15, 2005 |
| L | Klas Akesson | KO/TKO | Punches | R2 | 0:59 | Colosseum | Oct 24, 2004 |
| W | Radoslaw Kieliszkiewicz2-3 | Submission | Achilles Lock | R1 | 0:53 | Colosseum | Sep 19, 2004 |
| W | Emil Waszak0-2 | KO/TKO | Slam | R1 | 0:20 | Colosseum | Sep 19, 2004 |
| L | Tomasz Drwal22-6-1 | Decision | — | R2 | 5:00 | Colosseum | Sep 19, 2004 |
| W | Povilas Markevicius | Decision | — | R2 | 5:00 | Colosseum | May 16, 2004 |
| W | Daniel Ochman2-1 | Decision | — | R2 | 5:00 | Colosseum | May 16, 2004 |
| W | Rimgaudas Kutkaitis11-18 | KO/TKO | Punches | R1 | 2:24 | Colosseum | May 16, 2004 |
| W | Marek Kieruzal0-1 | KO/TKO | — | R0 | 0:00 | MMA Poland 4 | Feb 28, 2004 |
Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.
Amateur
1-0across 1 amateur bout · 1 promotionTFL 13
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| W | Marcin Izdebski0-1 | KO/TKO | Punches | R3 | 2:12 | TFL 13 | Mar 23, 2018 |
Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.