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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
Conor McGregor vs. Khabib Nurmagomedov 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
Dakota Zimmerman vs. Keri Melendez Bellator 206 2018.09.29
Rory MacDonald vs. Gegard Mousasi Bellator 206 2018.09.29
Amber Leibrock vs. Arlene Blencowe Bellator 206 2018.09.29
Melissa Martinez vs. Francis Hernandez Combate 23 2018.09.28
Daniel Rodriguez vs. Ozzie Alvarez Combate 23 2018.09.28
Gaston Reyno vs. Carlos Ernesto Ochoa Combate 23 2018.09.28
David Duran vs. Heinrich Wassmer Combate 23 2018.09.28
Magomed Ankalaev vs. Marcin Prachnio UFC Fight Night 136 2018.09.15
C.B. Dollaway vs. Khalid Murtazaliev UFC Fight Night 136 2018.09.15
Mark Hunt vs. Alexey Oleinik UFC Fight Night 136 2018.09.15
Rasul Albaskhanov vs. Narek Avagyan ACB 89 2018.09.08
Ali Bagov vs. Abdul-Aziz Abdulvakhabov III ACB 89 2018.09.08
Piotr Strus vs. Albert Duraev ACB 89 2018.09.08
Makharbek Karginov vs. Islam Meshev ACB 89 2018.09.08
Akop Stepanyan vs. Magomed Sulumov ACB 89 2018.09.08
Marat Balaev vs. Murad Machaev ACB 89 2018.09.08
Johnny Walker vs. Luis Henrique da Silva DW's Contender Series 2018 2018.08.11
Bruno Assis vs. André Muniz DW's Contender Series 2018 2018.08.11
Greg Hardy vs. Tebaris Gordon DW's Contender Series 2018 2018.08.07
Dennis Bryant vs. Kennedy Nzechukwu DW's Contender Series 2018 2018.08.07
JJ Aldrich vs. Polyana Viana UFC 227 2018.08.04
Cody Garbrandt vs. T.J. Dillashaw UFC 227 2018.08.04
Chibwikem Onyenegecha vs. Anthony Adams DW's Contender Series 2018 2018.07.17
Jamie Colleen vs. Maycee Barber DW's Contender Series 2018 2018.07.17
Edmen Shahbazyan vs. Antonio Jones DW's Contender Series 2018 2018.07.17
Raoni Barcelos vs. Kurt Holobaugh UFC Fight Night 133 2018.07.14
Junior dos Santos vs. Blagoy Ivanov UFC Fight Night 133 2018.07.14
Jodie Esquibel vs. Jessica Aguilar UFC Fight Night 133 2018.07.14
Randy Brown vs. Niko Price UFC Fight Night 133 2018.07.14
Jalin Turner vs. Max Mustaki DW's Contender Series 2018 2018.07.10
Ricky Palacios vs. Toby Misech DW's Contender Series 2018 2018.07.10
Kevin Aguilar vs. Joey Gomez DW's Contender Series 2018 2018.07.10
Francis N'Gannou vs. Derrick Lewis UFC 226 2018.07.07
Anthony Pettis vs. Mike Chiesa UFC 226 2018.07.07
Brad Tavares vs. Israel Adesanya The Ultimate Fighter 27 Finale 2018.07.06
Brad Katona vs. Jay Cucciniello The Ultimate Fighter 27 Finale 2018.07.06
Richie Smullen vs. Luis Pena The Ultimate Fighter 27 Finale 2018.07.06
Josh Parisian vs. Greg Rebello DW's Contender Series 2018 2018.06.26
Jaimee Nievera vs. Antonina Shevchenko DW's Contender Series 2018 2018.06.26
Jordan Williams vs. Tim Caron DW's Contender Series 2018 2018.06.26
Chase Gormley vs. Tanner Boser ACB 88 2018.06.16
Gustavo Falciroli vs. Alan Philpott ACB 88 2018.06.16
Karol Celiński vs. Luke Barnatt ACB 88 2018.06.16
Michael Tobin vs. Michael Mannue ACB 88 2018.06.16
EJ Brooks vs. Steven Kennedy ACB 88 2018.06.16
Montel Jackson vs. Rico DiSciullo DW's Contender Series 2018 2018.06.12
Sean Lally vs. Chris Curtis DW's Contender Series 2018 2018.06.12
Colby Covington vs. Rafael dos Anjos UFC 225 2018.06.09
Charles Oliveira vs. Clay Guida UFC 225 2018.06.09
Ricardo Lamas vs. Mirsad Bektic UFC 225 2018.06.09
Carlos Abreu vs. Chris Miah ACB 87 2018.05.19
Adlan Mamaev vs. Alex Gilpin ACB 87 2018.05.19
Mike Rhodes vs. Ibragim Chuzhigaev 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
Kazuyuki Fujita vs. Handong Kong Road FC 47 2018.05.12
Jae Hoon Kim vs. Aorigele II Road FC 47 2018.05.12
Alexandru Lungu vs. Chris Barnett Road FC 47 2018.05.12
Abdul Azim Badakhshi vs. Denis Kanakov ACB 86 2018.05.05
Asylzhan Bakhytzhanuly vs. Muslim Magomedov ACB 86 2018.05.05
Batraz Agnaev vs. Dovletdzhan Yagshimuradov ACB 86 2018.05.05
Alexey Polpudnikov vs. Georgi Karakhanyan ACB 86 2018.05.05
Gleristone Santos vs. Ali Bagov ACB 86 2018.05.05
Yusup Raisov vs. Marat Balaev ACB 86 2018.05.05
Wendres da Silva vs. Baisangur Vakhitov ACB 85 2018.04.21
Magomed Ginazov vs. Anthony Leone ACB 85 2018.04.21
Alexander Dolotenko vs. Nikola Dipchikov ACB 85 2018.04.21
Geane Herrera vs. Darren Mima ACB 85 2018.04.21
Marvin Vettori vs. Israel Adesanya UFC on FOX 29 2018.04.14
Antônio Carlos Júnior vs. Tim Boetsch UFC on FOX 29 2018.04.14
Dustin Poirier vs. Justin Gaethje UFC on FOX 29 2018.04.14
Arbi Agujev vs. Nah-shon Burrell ACB 84 2018.04.07
Luis Palomino vs. Lom-Ali Eskijew ACB 84 2018.04.07
Arbi Mezhidov vs. Jose Zarauz 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
Joshua Aveles vs. Adrian Zieliński ACB 84 2018.04.07
Rustam Kerimov vs. Oleg Borisov ACB 83 2018.03.24
Alikhan Suleimanov vs. Sergej Grecicho ACB 83 2018.03.24
Attila Korkmaz vs. Tural Ragimov ACB 83 2018.03.24
Bobby Brents vs. Daniel Omielańczuk ACB 83 2018.03.24
Dileno Lopes vs. Islam Yunusov ACB 83 2018.03.24
Rafael Xavier vs. Ibrahim Magomedov ACB 83 2018.03.24
Mikhail Kolobegov vs. Thiago Silva ACB 82 2018.03.09
Gregory Milliard vs. Alexandre Hoffmann ACB 82 2018.03.09
Nashkho Galaev vs. Matheus Mattos ACB 82 2018.03.09
Christos Giagos vs. Herdeson Batista ACB 82 2018.03.09
Maycon Silvan vs. José Maria Tomé ACB 82 2018.03.09
Mike Pyle vs. Zak Ottow UFC 222 2018.03.03
Andrei Arlovski vs. Stefan Struve UFC 222 2018.03.03
Yana Kunitskaya vs. Cristiane Justino UFC 222 2018.03.03
Aslambek Saidov vs. Roan Carneiro ACB 81 2018.02.23
Leandro Silva vs. Abdul-Rakhman Dzhanaev ACB 81 2018.02.23
Alex Morono vs. Josh Burkman UFC Fight Night 126 2018.02.18
Yancy Medeiros vs. Donald Cerrone UFC Fight Night 126 2018.02.18
Roberto Sanchez vs. Joby Sanchez UFC Fight Night 126 2018.02.18
Igor Svirid vs. Ibragim Chuzhigaev II ACB 80 2018.02.16
Taigro Costa vs. Mukhamed Kokov ACB 80 2018.02.16
Daniel Santos vs. Dukvakha Astamirov ACB 80 2018.02.16
Gleristone Santos vs. Islam Makoev ACB 80 2018.02.16
Valeriy Khazhirokov vs. Ruslan Belikov ACB 80 2018.02.16
Albert Tumenov vs. Nah-shon Burrell ACB 80 2018.02.16
Marcelo Alfaya vs. Arbi Agujev ACB 79 2018.01.27
Luis Fernando Miranda vs. Dovletdzhan Yagshimuradov ACB 79 2018.01.27
Shamil Shakhbulatov vs. Xavier Alaoui ACB 79 2018.01.27
Husein Kushagov vs. Michał Wiencek ACB 79 2018.01.27
Baisangur Vakhitov vs. Jae Young Kim ACB 79 2018.01.27
Rob Font vs. Thomas Almeida UFC 220 2018.01.20
Francis N'Gannou vs. Stipe Miocic UFC 220 2018.01.20
Daniel Hooker vs. Marc Diakiese UFC 219 2017.12.30
Cristiane Justino vs. Holly Holm UFC 219 2017.12.30
Khalil Rountree vs. Michał Oleksiejczuk UFC 219 2017.12.30
Asylzhan Bakhytzhanuly vs. Muslim Makhmudov ACB 77 2017.12.23
Denis Goltsov vs. Chase Gormley ACB 77 2017.12.23
Albert Duraev vs. Vyacheslav Vasilevskiy ACB 77 2017.12.23
Sergey Belostenniy vs. Amirkhan Isagadzhiev ACB 77 2017.12.23
Arman Ospanov vs. Alexey Polpudnikov ACB 77 2017.12.23
Mansur Khatuev vs. Maycon Silvan ACB 77 2017.12.23
Cory Hendricks vs. Konstantin Erokhin ACB 77 2017.12.23
Rafael dos Anjos vs. Robbie Lawler UFC on FOX 26 2017.12.16
Alessio Di Chirico vs. Oluwale Bamgbose UFC on FOX 26 2017.12.16
Jared Cannonier vs. Jan Błachowicz UFC on FOX 26 2017.12.16
Saeed Fatahifar vs. Ty Duncan ACB 76 2017.12.09
Tim Moore vs. Trent Girdham ACB 76 2017.12.09
José Aldo vs. Max Holloway II 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
Drakkar Klose vs. David Teymur UFC 218 2017.12.02
Sean O'Malley vs. Terrion Ware The Ultimate Fighter 26 Finale 2017.12.01
Zak Ottow vs. Jingliang Li UFC Fight Night 122 2017.11.25
Bobby Nash vs. Kenan Song UFC Fight Night 122 2017.11.25
Rolando Dy vs. Wuliji Buren UFC Fight Night 122 2017.11.25
Efrain Escudero vs. Musa Khamanaev ACB 74 2017.11.18
Stanislav Vlasenko vs. Dominik Schober ACB 74 2017.11.18
Akop Stepanyan vs. Andrew Fisher ACB 74 2017.11.18
Ismail Naurdiev vs. Georgi Valentinov ACB 74 2017.11.18
Yilan Sha vs. Shunya Imai Road FC 44 2017.11.11
Anding Ma vs. Kiyoshi Kuwabara Road FC 44 2017.11.11
Kota Shimoishi vs. Yincang Bao Road FC 44 2017.11.11
Mansour Barnaoui vs. Nandin-Erdene Munguntsooj Road FC 44 2017.11.11
Bruno Miranda vs. Yilan Sha Road FC 44 2017.11.11
Kazuyuki Fujita vs. Aorigele Road FC 44 2017.11.11
Shamil Akhmaev vs. Alan Gomes ACB 73 2017.10.21
Islam Makoev vs. Leandro Silva ACB 73 2017.10.21
Maike Linhares vs. Rustam Asuev ACB 73 2017.10.21
Adlan Bataev vs. Adilson Ramos ACB 73 2017.10.21
Herbert Batista vs. Viskhan Magomadov ACB 73 2017.10.21

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