All fighters Rankings Rankings by region Compare

Events Venues Map

Orgs Gyms

Stat Explorer Records & leaderboards Facts & figures Finishes Referees Timeline Year in review Glossary

Organisations Gyms & teams

Fighters

All fighters Rankings Rankings by region Compare

Events

Events Venues Map

Stats

Stat Explorer Records & leaderboards Facts & figures Finishes Referees Timeline Year in review Glossary

Home / Gyms / Rio Grappling Club / Fighters

Gym

Rio Grappling Club

2 Members

2 Active

2 Countries

Overview Fighters Records

Fighter Last fought Record

Michal Guzowski 2026-02-28 1-1

Stefan Pretorius 2025-03-01 7-11

No inactive fighters on record.

A broad MMA data engine — canonical fighters, events and bouts, organisations, venues and a global fighter ranking across thousands of promotions worldwide.

Browse

Fighters Events Organisations Venues Gyms & teams Referees Venue map

Rankings & stats

Global rankings By region By weight class By organisation By decade Gym & team rankings Country medal table Records & leaderboards Finish types MMA timeline Year in review Compare fighters MMA facts

Records

Most wins Most knockouts Most submissions Most fights Most decisions Most active

Quick answers

Most knockouts in MMA? Fastest knockouts? How many UFC events? How do fights end? Busiest MMA venue? Top host country? MMA glossary

© 2026 Fight Forensics · MMA data compiled from public records · Data updated 22 Jul 2026 Methodology Terms Privacy Contact