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Refereed by Herb Dean

Professional mixed martial arts referee Herb Dean is one of the most experienced and respected officials in the business. He has been third man in the cage for over 3500 professional MMA bouts, including more than 200 bouts in the Ultimate Fighting Championship, for which he has officiated matches since 2004. UFC President Dana White has publicly stated on more than one occasion that he believes Herb Dean is the best ref in MMA.

In addition to his primary role as an officiator, Dean is also an occasional MMA combatant. He fought his most notable opponent, Joe Riggs, in 2003, losing to strikes in the first round, but Dean also sports a submission victory and a TKO victory to his credit. Dean is a Brazilian Jiu-Jitsu black belt and an expert in both Karate and Judo.

Like any referee in the business long enough, and despite a generally stellar reputation, Dean has not stayed entirely free of criticism. His stoppage of the UFC 61 rematch between Tito Ortiz and Ken Shamrock due to unanswered elbows on the ground was criticized as premature by many fans, as well as Shamrock himself. Though the camera replays clearly show Shamrock briefly go limp from the blows, and Ortiz attested to seeing and feeling the same thing, the popular groundswell for a "do over" was strong enough that the two met again six months later in December of 2006. With "Big" John McCarthy this time presiding, Ortiz finished Shamrock with strikes on the ground in round one yet again.

One of Dean's best moments as a ref came in his first ever UFC championship fight, the 2004 Heavyweight Championship matchup between Frank Mir and Tim Sylvia at UFC 48: Payback. Dean astutely, and decisively, stepped in to call a stop to the action at the 0:50 mark of the first round after witnessing an armbar by Mir snap Sylvia's forearm in two. Following an initial showering of boos Dean was vindicated moments later when the audience witnessed the breakage on the jumbo replay. Sylvia, who angrily protested at first, also came to thank Dean for prolonging his career and saving him from any further damage. Dean has gone on to referee countless other championship matchups, including Brock Lesnar vs. Frank Mir II at UFC 100, Lyoto Machida vs. "Shogun" Rua I, and Randy Couture vs. Gabe Gonzaga at UFC 74. Dean currently resides in Pasadena, California and continues to regularly officiate top matchups for the UFC, Strikeforce and other promotions.

Portions of this article draw on information contained on Herb Dean's official website, www.herbdean.com.

Refereed by Herb Dean

Bout   Event   Date   Org
Tai Tuivasa vs. Junior dos Santos UFC Fight Night 142 2018.12.01
Justin Willis vs. Mark Hunt UFC Fight Night 142 2018.12.01
Wilson Reis vs. Ben Nguyen UFC Fight Night 142 2018.12.01
James Barnes vs. Albert Morales Liddell vs. Ortiz 3 2018.11.24
Tito Ortiz vs. Chuck Liddell III Liddell vs. Ortiz 3 2018.11.24
Alexandre Pantoja vs. Ulka Sasaki UFC Fight Night 140 2018.11.17
Cynthia Calvillo vs. Poliana Botelho UFC Fight Night 140 2018.11.17
Santiago Ponzinibbio vs. Neil Magny UFC Fight Night 140 2018.11.17
Marcin Held vs. Musa Khamanaev ACB 90 2018.11.10
Alexander Sarnavskiy vs. Herdeson Batista ACB 90 2018.11.10
Sergey Belostenniy vs. Mukhamad Vakhaev ACB 90 2018.11.10
Georgi Karakhanyan vs. Timur Nagibin ACB 90 2018.11.10
Umar Yankovskiy vs. Sharaf Davlatmurodov ACB 90 2018.11.10
Tanner Boser vs. Salimgerey Rasulov ACB 90 2018.11.10
Andre Winner vs. Yusup Raisov ACB 90 2018.11.10
Alexander Peduson vs. Alexey Polpudnikov ACB 90 2018.11.10
Israel Adesanya vs. Derek Brunson UFC 230 2018.11.03
Ben Saunders vs. Lyman Good UFC 230 2018.11.03
Daniel Cormier vs. Derrick Lewis UFC 230 2018.11.03
Khabib Nurmagomedov vs. Conor McGregor UFC 229 2018.10.06
Jussier Formiga vs. Sergio Pettis UFC 229 2018.10.06
Alexander Volkov vs. Derrick Lewis UFC 229 2018.10.06
Gegard Mousasi vs. Rory MacDonald Bellator 206 2018.09.29
Dakota Zimmerman vs. Keri Melendez Bellator 206 2018.09.29
Amber Leibrock vs. Arlene Blencowe Bellator 206 2018.09.29
Carlos Ernesto Ochoa vs. Gaston Reyno Combate 23 2018.09.28
Francis Hernandez vs. Melissa Martinez Combate 23 2018.09.28
Heinrich Wassmer vs. David Duran Combate 23 2018.09.28
Daniel Rodriguez vs. Ozzie Alvarez Combate 23 2018.09.28
Marcin Prachnio vs. Magomed Ankalaev UFC Fight Night 136 2018.09.15
Mark Hunt vs. Alexey Oleinik UFC Fight Night 136 2018.09.15
Khalid Murtazaliev vs. C.B. Dollaway UFC Fight Night 136 2018.09.15
Rasul Albaskhanov vs. Narek Avagyan ACB 89 2018.09.08
Magomed Sulumov vs. Akop Stepanyan ACB 89 2018.09.08
Islam Meshev vs. Makharbek Karginov ACB 89 2018.09.08
Murad Machaev vs. Marat Balaev ACB 89 2018.09.08
Albert Duraev vs. Piotr Strus ACB 89 2018.09.08
Ali Bagov vs. Abdul-Aziz Abdulvakhabov III ACB 89 2018.09.08
Luis Henrique da Silva vs. Johnny Walker DW's Contender Series 2018 2018.08.11
André Muniz vs. Bruno Assis DW's Contender Series 2018 2018.08.11
Greg Hardy vs. Tebaris Gordon DW's Contender Series 2018 2018.08.07
Kennedy Nzechukwu vs. Dennis Bryant DW's Contender Series 2018 2018.08.07
JJ Aldrich vs. Polyana Viana UFC 227 2018.08.04
T.J. Dillashaw vs. Cody Garbrandt UFC 227 2018.08.04
Jamie Colleen vs. Maycee Barber DW's Contender Series 2018 2018.07.17
Antonio Jones vs. Edmen Shahbazyan DW's Contender Series 2018 2018.07.17
Anthony Adams vs. Chibwikem Onyenegecha DW's Contender Series 2018 2018.07.17
Junior dos Santos vs. Blagoy Ivanov UFC Fight Night 133 2018.07.14
Jessica Aguilar vs. Jodie Esquibel UFC Fight Night 133 2018.07.14
Niko Price vs. Randy Brown UFC Fight Night 133 2018.07.14
Kurt Holobaugh vs. Raoni Barcelos UFC Fight Night 133 2018.07.14
Joey Gomez vs. Kevin Aguilar DW's Contender Series 2018 2018.07.10
Toby Misech vs. Ricky Palacios DW's Contender Series 2018 2018.07.10
Max Mustaki vs. Jalin Turner DW's Contender Series 2018 2018.07.10
Mike Chiesa vs. Anthony Pettis UFC 226 2018.07.07
Francis N'Gannou vs. Derrick Lewis UFC 226 2018.07.07
Luis Pena vs. Richie Smullen The Ultimate Fighter 27 Finale 2018.07.06
Brad Katona vs. Jay Cucciniello The Ultimate Fighter 27 Finale 2018.07.06
Brad Tavares vs. Israel Adesanya The Ultimate Fighter 27 Finale 2018.07.06
Josh Parisian vs. Greg Rebello DW's Contender Series 2018 2018.06.26
Antonina Shevchenko vs. Jaimee Nievera DW's Contender Series 2018 2018.06.26
Tim Caron vs. Jordan Williams DW's Contender Series 2018 2018.06.26
Michael Mannue vs. Michael Tobin ACB 88 2018.06.16
Gustavo Falciroli vs. Alan Philpott ACB 88 2018.06.16
Steven Kennedy vs. EJ Brooks ACB 88 2018.06.16
Tanner Boser vs. Chase Gormley ACB 88 2018.06.16
Luke Barnatt vs. Karol Celiński ACB 88 2018.06.16
Sean Lally vs. Chris Curtis DW's Contender Series 2018 2018.06.12
Rico DiSciullo vs. Montel Jackson DW's Contender Series 2018 2018.06.12
Charles Oliveira vs. Clay Guida UFC 225 2018.06.09
Colby Covington vs. Rafael dos Anjos UFC 225 2018.06.09
Mirsad Bektic vs. Ricardo Lamas UFC 225 2018.06.09
Adlan Mamaev vs. Alex Gilpin ACB 87 2018.05.19
Kane Mousah vs. Robert Whiteford ACB 87 2018.05.19
Regis Sugden vs. Stephen Martin ACB 87 2018.05.19
Chris Miah vs. Carlos Abreu ACB 87 2018.05.19
Mike Rhodes vs. Ibragim Chuzhigaev ACB 87 2018.05.19
Aorigele vs. Jae Hoon Kim II Road FC 47 2018.05.12
Chris Barnett vs. Alexandru Lungu Road FC 47 2018.05.12
Handong Kong vs. Kazuyuki Fujita Road FC 47 2018.05.12
Abdul Azim Badakhshi vs. Denis Kanakov ACB 86 2018.05.05
Dovletdzhan Yagshimuradov vs. Batraz Agnaev ACB 86 2018.05.05
Alexey Polpudnikov vs. Georgi Karakhanyan ACB 86 2018.05.05
Asylzhan Bakhytzhanuly vs. Muslim Magomedov ACB 86 2018.05.05
Yusup Raisov vs. Marat Balaev ACB 86 2018.05.05
Ali Bagov vs. Gleristone Santos ACB 86 2018.05.05
Darren Mima vs. Geane Herrera ACB 85 2018.04.21
Magomed Ginazov vs. Anthony Leone ACB 85 2018.04.21
Baisangur Vakhitov vs. Wendres da Silva ACB 85 2018.04.21
Nikola Dipchikov vs. Alexander Dolotenko ACB 85 2018.04.21
Dustin Poirier vs. Justin Gaethje UFC on FOX 29 2018.04.14
Antônio Carlos Júnior vs. Tim Boetsch UFC on FOX 29 2018.04.14
Israel Adesanya vs. Marvin Vettori UFC on FOX 29 2018.04.14
Joshua Aveles vs. Adrian Zieliński ACB 84 2018.04.07
Nah-shon Burrell vs. Arbi Agujev ACB 84 2018.04.07
Darren Smith Jr. vs. Yusup Umarov ACB 84 2018.04.07
Luis Nogueira vs. Islam Siszbulatow ACB 84 2018.04.07
Lom-Ali Eskijew vs. Luis Palomino ACB 84 2018.04.07
Jose Zarauz vs. Arbi Mezhidov ACB 84 2018.04.07
Attila Korkmaz vs. Tural Ragimov ACB 83 2018.03.24
Ibrahim Magomedov vs. Rafael Xavier ACB 83 2018.03.24
Sergej Grecicho vs. Alikhan Suleimanov ACB 83 2018.03.24
Oleg Borisov vs. Rustam Kerimov ACB 83 2018.03.24
Daniel Omielańczuk vs. Bobby Brents ACB 83 2018.03.24
Islam Yunusov vs. Dileno Lopes ACB 83 2018.03.24
José Maria Tomé vs. Maycon Silvan ACB 82 2018.03.09
Gregory Milliard vs. Alexandre Hoffmann ACB 82 2018.03.09
Herdeson Batista vs. Christos Giagos ACB 82 2018.03.09
Matheus Mattos vs. Nashkho Galaev ACB 82 2018.03.09
Thiago Silva vs. Mikhail Kolobegov ACB 82 2018.03.09
Mike Pyle vs. Zak Ottow UFC 222 2018.03.03
Cristiane Justino vs. Yana Kunitskaya UFC 222 2018.03.03
Andrei Arlovski vs. Stefan Struve UFC 222 2018.03.03
Roan Carneiro vs. Aslambek Saidov ACB 81 2018.02.23
Abdul-Rakhman Dzhanaev vs. Leandro Silva ACB 81 2018.02.23
Yancy Medeiros vs. Donald Cerrone UFC Fight Night 126 2018.02.18
Josh Burkman vs. Alex Morono UFC Fight Night 126 2018.02.18
Joby Sanchez vs. Roberto Sanchez UFC Fight Night 126 2018.02.18
Daniel Santos vs. Dukvakha Astamirov ACB 80 2018.02.16
Valeriy Khazhirokov vs. Ruslan Belikov ACB 80 2018.02.16
Islam Makoev vs. Gleristone Santos ACB 80 2018.02.16
Ibragim Chuzhigaev vs. Igor Svirid II ACB 80 2018.02.16
Nah-shon Burrell vs. Albert Tumenov ACB 80 2018.02.16
Mukhamed Kokov vs. Taigro Costa ACB 80 2018.02.16
Baisangur Vakhitov vs. Jae Young Kim ACB 79 2018.01.27
Arbi Agujev vs. Marcelo Alfaya ACB 79 2018.01.27
Xavier Alaoui vs. Shamil Shakhbulatov ACB 79 2018.01.27
Luis Fernando Miranda vs. Dovletdzhan Yagshimuradov ACB 79 2018.01.27
Michał Wiencek vs. Husein Kushagov ACB 79 2018.01.27
Francis N'Gannou vs. Stipe Miocic UFC 220 2018.01.20
Thomas Almeida vs. Rob Font UFC 220 2018.01.20
Daniel Hooker vs. Marc Diakiese UFC 219 2017.12.30
Holly Holm vs. Cristiane Justino UFC 219 2017.12.30
Khalil Rountree vs. Michał Oleksiejczuk UFC 219 2017.12.30
Muslim Makhmudov vs. Asylzhan Bakhytzhanuly ACB 77 2017.12.23
Denis Goltsov vs. Chase Gormley ACB 77 2017.12.23
Mansur Khatuev vs. Maycon Silvan ACB 77 2017.12.23
Konstantin Erokhin vs. Cory Hendricks ACB 77 2017.12.23
Amirkhan Isagadzhiev vs. Sergey Belostenniy ACB 77 2017.12.23
Arman Ospanov vs. Alexey Polpudnikov ACB 77 2017.12.23
Vyacheslav Vasilevskiy vs. Albert Duraev ACB 77 2017.12.23
Robbie Lawler vs. Rafael dos Anjos UFC on FOX 26 2017.12.16
Oluwale Bamgbose vs. Alessio Di Chirico UFC on FOX 26 2017.12.16
Jared Cannonier vs. Jan Błachowicz UFC on FOX 26 2017.12.16
Ty Duncan vs. Saeed Fatahifar ACB 76 2017.12.09
Trent Girdham vs. Tim Moore ACB 76 2017.12.09
Drakkar Klose vs. David Teymur UFC 218 2017.12.02
Justin Gaethje vs. Eddie Alvarez UFC 218 2017.12.02
Sabah Homasi vs. Abdul Razak Alhassan UFC 218 2017.12.02
Max Holloway vs. José Aldo II UFC 218 2017.12.02

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