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Fighters

Mariusz Siwiak

"Mario Soo"
3-1PolandPoland
Pro bare-knuckle 3-1BKFC record 1-0-0
LAST FIGHT
WINvs Ricky NelderTKO · R3 01:22
BKFCBKFC 77 Birmingham: Tierney vs Christie·June 28, 2025

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CAREER SUMMARY

Mariusz Siwiak holds a professional bare-knuckle boxing record of 3-1. Siwiak also has 4 recorded Bare-Knuckle Boxing bouts. Most recent fight: June 28, 2025. Tracked organizations: BKFC.

Profile

Height
5'9"175 cm
Weight
194 lbs88 kg
DOB
Aug 3, 1987
Age
39
Team
Top Team Mario
Nationality
Poland
Birthplace
Poland

Career history

  1. WIN
    vs Ricky Nelder
    BKFC 77 Birmingham: Tierney vs Christie· Jun 28, 2025· Cruiserweight· 3-1
    TKO
    R3 · 01:22
  2. WIN
    vs Damian Waluch
    GROMDA 16: W imię zasad· Mar 1, 2024· Heavyweight· 2-1
    TKO
    R3 · 2:00
  3. WIN
    vs Rafał Szczerbinski
    GROMDA 14: Prawo Ulicy· Sep 8, 2023· Heavyweight· 1-1
    TKO
    R1 · 1:59
  4. LOSS
    vs Rafał Łazarek
    GROMDA 11: Balboa vs. GOAT· Dec 2, 2022· 0-1
    TKO
    R2 · 0:58

Career stats

Pro bare-knuckleRecord: 3-1 · Source: UFCalendar
Striking
Strikes landed26.09per min
56% accuracy
Strikes absorbed9.69per min
37% avoided

Frequently asked questions

When does Mariusz Siwiak fight next?

Mariusz Siwiak has no confirmed upcoming fight.

What is Mariusz Siwiak's record?

Mariusz Siwiak's professional bare-knuckle boxing record is 3-1.

Who is Mariusz Siwiak fighting next?

Mariusz Siwiak's next opponent has not been announced.

Who did Mariusz Siwiak fight last?

Mariusz Siwiak most recently fought Ricky Nelder at BKFC 77 Birmingham: Tierney vs Christie on Saturday, June 28, 2025, WIN (TKO).

What weight class does Mariusz Siwiak fight in?

Mariusz Siwiak fights at Cruiserweight.

How tall is Mariusz Siwiak?

Mariusz Siwiak is 5'9" (175 cm) tall.

How much does Mariusz Siwiak weigh?

Mariusz Siwiak weighs 194 lbs (88 kg).

How old is Mariusz Siwiak?

Mariusz Siwiak is 39 years old (born Aug 3, 1987).

Where is Mariusz Siwiak from?

Mariusz Siwiak is from Poland.

Get Mariusz Siwiak's fight history and stats as JSON with the MMA Fight Data API →