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2021 MMA by the Numbers

Every completed fight of 2021 across all organizations we track, distilled into the numbers that tell the year's story. Updated automatically as events finish.

53
Events
550
Fights
49%
Finish rate
20
Title fights

How fights ended

  • KO/TKO34% · 187
  • Submission15% · 82
  • Decision50% · 274
  • Other1% · 7

Finish rate by division

DivisionFightsKO/TKOSUBFinished
Heavyweight4057%5%63%
Middleweight6733%25%58%
Light Heavyweight4245%12%57%
Lightweight6939%17%57%
Bantamweight6740%10%51%
Women's Flyweight4430%16%45%
Welterweight6528%17%45%
Women's Strawweight3324%15%39%
Flyweight3324%15%39%
Women's Bantamweight1822%17%39%
Featherweight6226%6%32%

Divisions with at least 10 fights in 2021.

Fastest finishes

  1. 0:07Terrance McKinney def. Matt Frevola · TKO · UFC 263: Adesanya vs Vettori 2 · Jun 12, 2021#1
  2. 0:15Matthew Semelsberger def. Martin Sano · TKO · UFC 266: Volkanovski vs Ortega · Sep 25, 2021#2
  3. 0:16Matthew Semelsberger def. Jason Witt · TKO · UFC Fight Night: Edwards vs Muhammad · Mar 13, 2021#3
  4. 0:17Abdul Razak Alhassan def. Alessio Di Chirico · TKO · UFC Fight Night: Barboza vs Chikadze · Aug 28, 2021#4
  5. 0:17Uriah Hall def. Chris Weidman · TKO · UFC 261: Usman vs Masvidal 2 · Apr 24, 2021#5
  6. 0:22Dan Ige def. Gavin Tucker · TKO · UFC Fight Night: Edwards vs Muhammad · Mar 13, 2021#6
  7. 0:26Ode Osbourne def. Jerome Rivera · TKO · UFC Fight Night: Overeem vs Volkov · Feb 6, 2021#7
  8. 0:28Cory Sandhagen def. Frankie Edgar · TKO · UFC Fight Night: Overeem vs Volkov · Feb 6, 2021#8

Biggest upsets

  1. 15%Julianna Pena def. Amanda Nunes · UFC 269: Oliveira vs Poirier · Dec 11, 2021
  2. 19%Dominick Cruz def. Casey Kenney · UFC 259: Blachowicz vs Adesanya · Mar 6, 2021
  3. 22%Dominick Cruz def. Pedro Munhoz · UFC 269: Oliveira vs Poirier · Dec 11, 2021
  4. 24%Chris Gruetzemacher def. Rafa Garcia · UFC Fight Night: Hall vs Strickland · Jul 31, 2021
  5. 25%Chan Sung Jung def. Dan Ige · UFC Fight Night: The Korean Zombie vs Ige · Jun 19, 2021
  6. 26%Danny Roberts def. Ramazan Emeev · UFC Fight Night: Ladd vs Dumont Viana · Oct 16, 2021
  7. 28%Michael Trizano def. Ludovit Klein · UFC Fight Night: Rodriguez vs Waterson - Event · May 8, 2021
  8. 28%Mike Davis def. Mason Jones · UFC Fight Night: Chiesa vs Magny · Jan 20, 2021

Pre-fight win probability from UFCalendar Power Index ratings at the time of the fight. Power Index ratings →

Breakout fighters

FighterFightsPower Index
Julianna Pena2+117
Casey O'Neill3+93
Tai Tuivasa3+93
Tom Aspinall2+88
Ciryl Gane3+87
Julian Marquez2+86
Giga Chikadze2+85
Amanda Lemos3+84

Largest UFCalendar Power Index rating gains across 2021.

Busiest fighters

FighterFightsWins
Dustin Jacoby43
Manel Kape42
Loopy Godinez42
Pat Sabatini33
Bruno Silva33
Manon Fiorot33
Adrian Yanez33
Gerald Meerschaert33

Most controversial decisions

  1. Maycee Barber def. Miranda Maverick · UFC Fight Night: Sandhagen vs Dillashaw · Jul 24, 2021
    92% of 736 fan cards scored it for Miranda Maverick
  2. Matheus Nicolau def. Manel Kape · UFC Fight Night: Edwards vs Muhammad · Mar 13, 2021
    81% of 558 fan cards scored it for Manel Kape
  3. TJ Brown def. Kai Kamaka III · UFC Fight Night: Reyes vs Prochazka · May 1, 2021
    78% of 165 fan cards scored it for Kai Kamaka III
  4. Josh Parisian def. Roque Martinez · UFC Fight Night: The Korean Zombie vs Ige · Jun 19, 2021
    86% of 86 fan cards scored it for Roque Martinez
  5. Alexander Romanov def. Juan Espino · UFC Fight Night: Whittaker vs Gastelum · Apr 17, 2021
    76% of 255 fan cards scored it for Juan Espino

Scored from real fan and media scorecards. Robbery Index →

Events by organization

OrganizationEventsFights
UFC53550

Events by country

CountryEvents
United States49
United Arab Emirates4

Busiest judges

JudgeFights scored
Sal D'Amato119
Michael Bell81
Junichiro Kamijo79
Derek Cleary67
Eric Colón49

Official scorecards recorded in 2021. Judges →

Sources: official results, ufcstats.com, fan and media scorecards, and the UFCalendar Power Index.

These numbers are free to cite, link back to this page as the source.