Mariusz Siwiak
LAST FIGHT
WINvs Ricky NelderTKO · R3 01:22
BKFCBKFC 77 Birmingham: Tierney vs Christie·June 28, 2025
No next fight booked yet. Follow Mariusz Siwiak to hear the moment one is.
Ask UFCalendar AI
CAREER SUMMARY
No completed fights tracked yet on UFCalendar. Mariusz Siwiak has not yet won a tracked professional fight on UFCalendar. Mariusz Siwiak also has 1 recorded Bare-Knuckle Boxing bout. Most recent fight: June 28, 2025. Tracked organizations: BKFC.
Career stats
Tracked fightsSource: UFCalendar
Striking
Strikes landed26.09per min
56% accuracy
Strikes absorbed9.69per min
37% avoided
Career history
Frequently asked questions
When does Mariusz Siwiak fight next?
Mariusz Siwiak has no confirmed upcoming fight.
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.
Get Mariusz Siwiak's fight history and stats as JSON with the MMA Fight Data API →