Leon Roberts

UFC referee · active in the loaded archive 2008–2020. 194 archived assignments, 2 title fights.

194Archived assignments

2Title fights

18Five-round

46.4%Stoppage rate

53.1%Decision rate

10:55Avg fight time

Archive biography

Leon Roberts

Leon Roberts appears as the assigned referee in 194 archived UFC bouts currently loaded by PropBetEdge (historical coverage is still being backfilled, so this is not a career total) across 2008–2020. This profile treats officiating as context, not destiny: the rates below describe what happened in that historical sample and do not prove that the referee caused a finish, decision, pace change or judging outcome.

No externally sourced biography passed the identity check for this official, so the summary above is generated from our own archive rows only.

Notable assignments

Title fights, five-round bouts and main events in this referee's loaded archive, linked to the matchup pages.

Title fight · BantamweightPetr Yan vs Jose AldoUFC 251: Usman vs. Masvidal · Jul 11, 2020KO/TKO · R5 · 3:24 · Petr Yan won Title fight · Women's StrawweightZhang Weili vs Jessica AndradeUFC Fight Night: Andrade vs. Zhang · Aug 31, 2019KO/TKO · R1 · 0:42 · Zhang Weili won Five rounds · WelterweightLeon Edwards vs Donald CerroneUFC Fight Night: Cowboy vs. Edwards · Jun 23, 2018Unanimous Decision · R5 · 5:00 · Leon Edwards won Five rounds · WelterweightKamaru Usman vs Demian MaiaUFC Fight Night: Maia vs. Usman · May 19, 2018Unanimous Decision · R5 · 5:00 · Kamaru Usman won Five rounds · HeavyweightFabricio Werdum vs Marcin TyburaUFC Fight Night: Werdum vs. Tybura · Nov 18, 2017Unanimous Decision · R5 · 5:00 · Fabricio Werdum won Five rounds · Light HeavyweightOvince Saint Preux vs Yushin OkamiUFC Fight Night: Saint Preux vs. Okami · Sep 22, 2017Submission · R1 · 1:50 · Ovince Saint Preux won

Recent assignments

The newest referee-tagged results currently present in the PropBetEdge UFC archive.

Jul 11, 2020Petr Yan vs Jose AldoUFC 251: Usman vs. MasvidalKO/TKO · R5 · 3:24 Jul 11, 2020Raulian Paiva vs Zhalgas ZhumagulovUFC 251: Usman vs. MasvidalUnanimous Decision · R3 · 5:00 Jul 11, 2020Makwan Amirkhani vs Danny HenryUFC 251: Usman vs. MasvidalSubmission · R1 · 3:15 Nov 9, 2019Roosevelt Roberts vs Alexander YakovlevUFC Fight Night: Zabit vs. KattarUnanimous Decision · R3 · 5:00 Nov 9, 2019Alexander Volkov vs Greg HardyUFC Fight Night: Zabit vs. KattarUnanimous Decision · R3 · 5:00 Nov 9, 2019Shamil Gamzatov vs Klidson AbreuUFC Fight Night: Zabit vs. KattarSplit Decision · R3 · 5:00

Profile details

Structured facts from the loaded archive and, where attached, a verified source. Unavailable facts are omitted rather than guessed.

Full name: Leon Roberts
Archive tenure: 2008–2020 · first loaded bout Oct 18, 2008
Most recent bout: Jul 11, 2020
Archived assignments: 194 in the loaded archive — not a career total; historical coverage is still being backfilled
Title fights: 2
Outcomes: 64 KO/TKO · 26 submissions · 103 decisions (16 split) · 1 NC/draws
Average stoppage: 5:35

Related events

Cards this referee worked in the loaded archive.

Jul 2020UFC 251: Usman vs. MasvidalAbu Dhabi · United Arab Emirates Nov 2019UFC Fight Night: Zabit vs. KattarMoscow · Russia Oct 2019UFC Fight Night: Maia vs. AskrenKallang · Singapore Sep 2019UFC Fight Night: Hermansson vs. CannonierCopenhagen · Denmark Aug 2019UFC Fight Night: Andrade vs. ZhangShenzhen · China Jun 2019UFC Fight Night: Gustafsson vs. SmithStockholm · Sweden Apr 2019UFC Fight Night: Overeem vs. OleinikSaint Petersburg · Russia Mar 2019UFC Fight Night: Till vs. MasvidalLondon · United Kingdom

Assignment archive

Up to 80 recent loaded UFC bouts. Result source links remain attached at row level.

Date	Event	Fight	Result	Round / time	Source
Jul 11, 2020	UFC 251: Usman vs. Masvidal	Petr Yan vs Jose AldoTitle	KO/TKO Petr Yan won	R5 · 3:24	Official source ↗
Jul 11, 2020	UFC 251: Usman vs. Masvidal	Raulian Paiva vs Zhalgas Zhumagulov	Unanimous Decision Raulian Paiva won	R3 · 5:00	Official source ↗
Jul 11, 2020	UFC 251: Usman vs. Masvidal	Makwan Amirkhani vs Danny Henry	Submission Makwan Amirkhani won	R1 · 3:15	Official source ↗
Nov 9, 2019	UFC Fight Night: Zabit vs. Kattar	Roosevelt Roberts vs Alexander Yakovlev	Unanimous Decision Roosevelt Roberts won	R3 · 5:00	Official source ↗
Nov 9, 2019	UFC Fight Night: Zabit vs. Kattar	Alexander Volkov vs Greg Hardy	Unanimous Decision Alexander Volkov won	R3 · 5:00	Official source ↗
Nov 9, 2019	UFC Fight Night: Zabit vs. Kattar	Shamil Gamzatov vs Klidson Abreu	Split Decision Shamil Gamzatov won	R3 · 5:00	Official source ↗
Oct 26, 2019	UFC Fight Night: Maia vs. Askren	Movsar Evloev vs Enrique Barzola	Unanimous Decision Movsar Evloev won	R3 · 5:00	Official source ↗
Oct 26, 2019	UFC Fight Night: Maia vs. Askren	Stevie Ray vs Michael Johnson	Majority Decision Stevie Ray won	R3 · 5:00	Official source ↗
Sep 28, 2019	UFC Fight Night: Hermansson vs. Cannonier	Mark Madsen vs Danilo Belluardo	KO/TKO Mark Madsen won	R1 · 1:12	Official source ↗
Sep 28, 2019	UFC Fight Night: Hermansson vs. Cannonier	Ovince Saint Preux vs Michal Oleksiejczuk	Submission Ovince Saint Preux won	R2 · 2:46	Official source ↗
Sep 28, 2019	UFC Fight Night: Hermansson vs. Cannonier	Lina Lansberg vs Macy Chiasson	Unanimous Decision Lina Lansberg won	R3 · 5:00	Official source ↗
Aug 31, 2019	UFC Fight Night: Andrade vs. Zhang	Da Woon Jung vs Khadis Ibragimov	Submission Da Woon Jung won	R3 · 1:59	Official source ↗
Aug 31, 2019	UFC Fight Night: Andrade vs. Zhang	Zhang Weili vs Jessica AndradeTitle	KO/TKO Zhang Weili won	R1 · 0:42	Official source ↗
Jun 1, 2019	UFC Fight Night: Gustafsson vs. Smith	Sergey Khandozhko vs Rostem Akman	Unanimous Decision Sergey Khandozhko won	R3 · 5:00	Official source ↗
Jun 1, 2019	UFC Fight Night: Gustafsson vs. Smith	Frank Camacho vs Nick Hein	KO/TKO Frank Camacho won	R2 · 4:56	Official source ↗
Apr 20, 2019	UFC Fight Night: Overeem vs. Oleinik	Sultan Aliev vs Keita Nakamura	Unanimous Decision Sultan Aliev won	R3 · 5:00	Official source ↗
Apr 20, 2019	UFC Fight Night: Overeem vs. Oleinik	Michal Oleksiejczuk vs Gadzhimurad Antigulov	KO/TKO Michal Oleksiejczuk won	R1 · 0:44	Official source ↗
Apr 20, 2019	UFC Fight Night: Overeem vs. Oleinik	Sergei Pavlovich vs Marcelo Golm	KO/TKO Sergei Pavlovich won	R1 · 1:06	Official source ↗
Mar 16, 2019	UFC Fight Night: Till vs. Masvidal	Saparbeg Safarov vs Nicolae Negumereanu	Unanimous Decision Saparbeg Safarov won	R3 · 5:00	Official source ↗
Mar 16, 2019	UFC Fight Night: Till vs. Masvidal	Arnold Allen vs Jordan Rinaldi	Unanimous Decision Arnold Allen won	R3 · 5:00	Official source ↗
Mar 16, 2019	UFC Fight Night: Till vs. Masvidal	Dominick Reyes vs Volkan Oezdemir	Split Decision Dominick Reyes won	R3 · 5:00	Official source ↗
Feb 23, 2019	UFC Fight Night: Blachowicz vs. Santos	Magomed Ankalaev vs Klidson Abreu	Unanimous Decision Magomed Ankalaev won	R3 · 5:00	Official source ↗
Feb 23, 2019	UFC Fight Night: Blachowicz vs. Santos	Stefan Struve vs Marcos Rogerio de Lima	Submission Stefan Struve won	R2 · 2:21	Official source ↗
Feb 23, 2019	UFC Fight Night: Blachowicz vs. Santos	Damir Hadzovic vs Marco Polo Reyes	KO/TKO Damir Hadzovic won	R2 · 2:03	Official source ↗
Sep 15, 2018	UFC Fight Night: Hunt vs. Oleinik	Shamil Abdurakhimov vs Andrei Arlovski	Unanimous Decision Shamil Abdurakhimov won	R3 · 5:00	Official source ↗
Sep 15, 2018	UFC Fight Night: Hunt vs. Oleinik	Ramazan Emeev vs Stefan Sekulic	Unanimous Decision Ramazan Emeev won	R3 · 5:00	Official source ↗
Sep 15, 2018	UFC Fight Night: Hunt vs. Oleinik	Rustam Khabilov vs Kajan Johnson	Split Decision Rustam Khabilov won	R3 · 5:00	Official source ↗
Jul 22, 2018	UFC Fight Night: Shogun vs. Smith	Danny Roberts vs David Zawada	Split Decision Danny Roberts won	R3 · 5:00	Official source ↗
Jul 22, 2018	UFC Fight Night: Shogun vs. Smith	Corey Anderson vs Glover Teixeira	Unanimous Decision Corey Anderson won	R3 · 5:00	Official source ↗
Jul 22, 2018	UFC Fight Night: Shogun vs. Smith	Aleksandar Rakic vs Justin Ledet	Unanimous Decision Aleksandar Rakic won	R3 · 5:00	Official source ↗
Jun 23, 2018	UFC Fight Night: Cowboy vs. Edwards	Jake Matthews vs Shinsho Anzai	Submission Jake Matthews won	R1 · 2:44	Official source ↗
Jun 23, 2018	UFC Fight Night: Cowboy vs. Edwards	Li Jingliang vs Daichi Abe	Unanimous Decision Li Jingliang won	R3 · 5:00	Official source ↗
Jun 23, 2018	UFC Fight Night: Cowboy vs. Edwards	Leon Edwards vs Donald Cerrone	Unanimous Decision Leon Edwards won	R5 · 5:00	Official source ↗
May 27, 2018	UFC Fight Night: Thompson vs. Till	Carlo Pedersoli Jr. vs Brad Scott	Split Decision Carlo Pedersoli Jr. won	R3 · 5:00	Official source ↗
May 27, 2018	UFC Fight Night: Thompson vs. Till	Neil Magny vs Craig White	KO/TKO Neil Magny won	R1 · 4:32	Official source ↗
May 27, 2018	UFC Fight Night: Thompson vs. Till	Darren Stewart vs Eric Spicely	KO/TKO Darren Stewart won	R2 · 1:47	Official source ↗
May 19, 2018	UFC Fight Night: Maia vs. Usman	Michel Prazeres vs Zak Cummings	Split Decision Michel Prazeres won	R3 · 5:00	Official source ↗
May 19, 2018	UFC Fight Night: Maia vs. Usman	Enrique Barzola vs Brandon Davis	Unanimous Decision Enrique Barzola won	R3 · 5:00	Official source ↗
May 19, 2018	UFC Fight Night: Maia vs. Usman	Guido Cannetti vs Diego Rivas	Unanimous Decision Guido Cannetti won	R3 · 5:00	Official source ↗
May 19, 2018	UFC Fight Night: Maia vs. Usman	Kamaru Usman vs Demian Maia	Unanimous Decision Kamaru Usman won	R5 · 5:00	Official source ↗
May 12, 2018	UFC 224: Nunes vs. Pennington	Kelvin Gastelum vs Jacare Souza	Split Decision Kelvin Gastelum won	R3 · 5:00	Official source ↗
May 12, 2018	UFC 224: Nunes vs. Pennington	Aleksei Oleinik vs Junior Albini	Submission Aleksei Oleinik won	R1 · 1:45	Official source ↗
May 12, 2018	UFC 224: Nunes vs. Pennington	John Lineker vs Brian Kelleher	KO/TKO John Lineker won	R3 · 3:43	Official source ↗
Mar 17, 2018	UFC Fight Night: Werdum vs. Volkov	Kajan Johnson vs Stevie Ray	Split Decision Kajan Johnson won	R3 · 5:00	Official source ↗
Mar 17, 2018	UFC Fight Night: Werdum vs. Volkov	Jan Blachowicz vs Jimi Manuwa	Unanimous Decision Jan Blachowicz won	R3 · 5:00	Official source ↗
Mar 17, 2018	UFC Fight Night: Werdum vs. Volkov	Danny Roberts vs Oliver Enkamp	KO/TKO Danny Roberts won	R1 · 2:12	Official source ↗
Nov 18, 2017	UFC Fight Night: Werdum vs. Tybura	Fabricio Werdum vs Marcin Tybura	Unanimous Decision Fabricio Werdum won	R5 · 5:00	Official source ↗
Nov 18, 2017	UFC Fight Night: Werdum vs. Tybura	Elias Theodorou vs Daniel Kelly	Unanimous Decision Elias Theodorou won	R3 · 5:00	Official source ↗
Nov 18, 2017	UFC Fight Night: Werdum vs. Tybura	Adam Wieczorek vs Anthony Hamilton	Unanimous Decision Adam Wieczorek won	R3 · 5:00	Official source ↗
Oct 21, 2017	UFC Fight Night: Cerrone vs. Till	Oskar Piechota vs Jonathan Wilson	Unanimous Decision Oskar Piechota won	R3 · 5:00	Official source ↗
Oct 21, 2017	UFC Fight Night: Cerrone vs. Till	Karolina Kowalkiewicz vs Jodie Esquibel	Unanimous Decision Karolina Kowalkiewicz won	R3 · 5:00	Official source ↗
Sep 22, 2017	UFC Fight Night: Saint Preux vs. Okami	Jussier Formiga vs Yuta Sasaki	Submission Jussier Formiga won	R1 · 4:30	Official source ↗
Sep 22, 2017	UFC Fight Night: Saint Preux vs. Okami	Ovince Saint Preux vs Yushin Okami	Submission Ovince Saint Preux won	R1 · 1:50	Official source ↗
Sep 2, 2017	UFC Fight Night: Volkov vs. Struve	Zabit Magomedsharipov vs Mike Santiago	Submission Zabit Magomedsharipov won	R2 · 4:22	Official source ↗
Sep 2, 2017	UFC Fight Night: Volkov vs. Struve	Siyar Bahadurzada vs Rob Wilkinson	KO/TKO Siyar Bahadurzada won	R2 · 3:10	Official source ↗
Sep 2, 2017	UFC Fight Night: Volkov vs. Struve	Mairbek Taisumov vs Felipe Silva	KO/TKO Mairbek Taisumov won	R1 · 1:24	Official source ↗
Jul 16, 2017	UFC Fight Night: Nelson vs. Ponzinibbio	Brett Johns vs Albert Morales	Unanimous Decision Brett Johns won	R3 · 5:00	Official source ↗
Jul 16, 2017	UFC Fight Night: Nelson vs. Ponzinibbio	Santiago Ponzinibbio vs Gunnar Nelson	KO/TKO Santiago Ponzinibbio won	R1 · 1:22	Official source ↗
Jul 16, 2017	UFC Fight Night: Nelson vs. Ponzinibbio	Khalil Rountree Jr. vs Paul Craig	KO/TKO Khalil Rountree Jr. won	R1 · 4:56	Official source ↗
Mar 18, 2017	UFC Fight Night: Manuwa vs. Anderson	Francimar Barroso vs Darren Stewart	Unanimous Decision Francimar Barroso won	R3 · 5:00	Official source ↗
Mar 18, 2017	UFC Fight Night: Manuwa vs. Anderson	Jimi Manuwa vs Corey Anderson	KO/TKO Jimi Manuwa won	R1 · 3:05	Official source ↗
Nov 19, 2016	UFC Fight Night: Mousasi vs. Hall 2	Zak Cummings vs Alexander Yakovlev	Submission Zak Cummings won	R2 · 4:02	Official source ↗
Nov 19, 2016	UFC Fight Night: Mousasi vs. Hall 2	Jack Marshman vs Magnus Cedenblad	KO/TKO Jack Marshman won	R2 · 3:40	Official source ↗
Nov 19, 2016	UFC Fight Night: Mousasi vs. Hall 2	Stevie Ray vs Ross Pearson	Split Decision Stevie Ray won	R3 · 5:00	Official source ↗
Oct 8, 2016	UFC 204: Bisping vs. Henderson	Marc Diakiese vs Lukasz Sajewski	KO/TKO Marc Diakiese won	R2 · 4:40	Official source ↗
Oct 8, 2016	UFC 204: Bisping vs. Henderson	Jimi Manuwa vs Ovince Saint Preux	KO/TKO Jimi Manuwa won	R2 · 2:38	Official source ↗
Sep 3, 2016	UFC Fight Night: Arlovski vs. Barnett	Peter Sobotta vs Nicolas Dalby	Unanimous Decision Peter Sobotta won	R3 · 5:00	Official source ↗
Sep 3, 2016	UFC Fight Night: Arlovski vs. Barnett	Josh Barnett vs Andrei Arlovski	Submission Josh Barnett won	R3 · 2:53	Official source ↗
Sep 3, 2016	UFC Fight Night: Arlovski vs. Barnett	Jack Hermansson vs Scott Askham	Unanimous Decision Jack Hermansson won	R3 · 5:00	Official source ↗
May 14, 2016	UFC 198: Werdum vs Miocic	Rogerio Nogueira vs Patrick Cummins	KO/TKO Rogerio Nogueira won	R1 · 4:52	Official source ↗
May 14, 2016	UFC 198: Werdum vs Miocic	Bryan Barberena vs Warlley Alves	Unanimous Decision Bryan Barberena won	R3 · 5:00	Official source ↗
May 8, 2016	UFC Fight Night: Overeem vs Arlovski	Stefan Struve vs Antonio Silva	KO/TKO Stefan Struve won	R1 · 0:16	Official source ↗
May 8, 2016	UFC Fight Night: Overeem vs Arlovski	Rustam Khabilov vs Chris Wade	Unanimous Decision Rustam Khabilov won	R3 · 5:00	Official source ↗
May 8, 2016	UFC Fight Night: Overeem vs Arlovski	Reza Madadi vs Yan Cabral	KO/TKO Reza Madadi won	R3 · 1:56	Official source ↗
Apr 10, 2016	UFC Fight Night: Rothwell vs Dos Santos	Junior Dos Santos vs Ben Rothwell	Unanimous Decision Junior Dos Santos won	R5 · 5:00	Official source ↗
Apr 10, 2016	UFC Fight Night: Rothwell vs Dos Santos	Jan Blachowicz vs Igor Pokrajac	Unanimous Decision Jan Blachowicz won	R3 · 5:00	Official source ↗
Apr 10, 2016	UFC Fight Night: Rothwell vs Dos Santos	Lucas Martins vs Robert Whiteford	Split Decision Lucas Martins won	R3 · 5:00	Official source ↗
Feb 27, 2016	UFC Fight Night: Silva vs Bisping	Daniel Omielanczuk vs Jarjis Danho	Majority Decision Daniel Omielanczuk won	R3 · 1:31	Official source ↗
Feb 27, 2016	UFC Fight Night: Silva vs Bisping	Tom Breese vs Keita Nakamura	Unanimous Decision Tom Breese won	R3 · 5:00	Official source ↗
Feb 27, 2016	UFC Fight Night: Silva vs Bisping	Scott Askham vs Chris Dempsey	KO/TKO Scott Askham won	R1 · 4:45	Official source ↗

Important: “fight impact” here means historical context, not causation. A referee does not choose the matchup, fighter styles, skill gap or scheduled length, so finish and decision rates must be interpreted with sample size and those confounders in mind.