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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
Alexander Dolotenko vs. Nikola Dipchikov ACB 85 2018.04.21
Baisangur Vakhitov vs. Wendres da Silva ACB 85 2018.04.21
Anthony Leone vs. Magomed Ginazov ACB 85 2018.04.21
Darren Mima vs. Geane Herrera ACB 85 2018.04.21
Tim Boetsch vs. Antônio Carlos Júnior UFC on FOX 29 2018.04.14
Justin Gaethje vs. Dustin Poirier 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
Luis Palomino vs. Lom-Ali Eskijew ACB 84 2018.04.07
Islam Siszbulatow vs. Luis Nogueira ACB 84 2018.04.07
Jose Zarauz vs. Arbi Mezhidov ACB 84 2018.04.07
Arbi Agujev vs. Nah-shon Burrell ACB 84 2018.04.07
Yusup Umarov vs. Darren Smith Jr. ACB 84 2018.04.07
Islam Yunusov vs. Dileno Lopes ACB 83 2018.03.24
Tural Ragimov vs. Attila Korkmaz ACB 83 2018.03.24
Bobby Brents vs. Daniel Omielańczuk ACB 83 2018.03.24
Ibrahim Magomedov vs. Rafael Xavier ACB 83 2018.03.24
Alikhan Suleimanov vs. Sergej Grecicho ACB 83 2018.03.24
Oleg Borisov vs. Rustam Kerimov ACB 83 2018.03.24
Alexandre Hoffmann vs. Gregory Milliard ACB 82 2018.03.09
José Maria Tomé vs. Maycon Silvan 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
Mikhail Kolobegov vs. Thiago Silva ACB 82 2018.03.09
Andrei Arlovski vs. Stefan Struve UFC 222 2018.03.03
Yana Kunitskaya vs. Cristiane Justino UFC 222 2018.03.03
Zak Ottow vs. Mike Pyle 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
Josh Burkman vs. Alex Morono UFC Fight Night 126 2018.02.18
Roberto Sanchez vs. Joby Sanchez UFC Fight Night 126 2018.02.18
Donald Cerrone vs. Yancy Medeiros UFC Fight Night 126 2018.02.18
Ibragim Chuzhigaev vs. Igor Svirid ACB 80 2018.02.16
Albert Tumenov vs. Nah-shon Burrell ACB 80 2018.02.16
Gleristone Santos vs. Islam Makoev ACB 80 2018.02.16
Ruslan Belikov vs. Valeriy Khazhirokov ACB 80 2018.02.16
Mukhamed Kokov vs. Taigro Costa ACB 80 2018.02.16
Daniel Santos vs. Dukvakha Astamirov ACB 80 2018.02.16
Husein Kushagov vs. Michał Wiencek ACB 79 2018.01.27
Dovletdzhan Yagshimuradov vs. Luis Fernando Miranda ACB 79 2018.01.27
Arbi Agujev vs. Marcelo Alfaya ACB 79 2018.01.27
Jae Young Kim vs. Baisangur Vakhitov ACB 79 2018.01.27
Xavier Alaoui vs. Shamil Shakhbulatov 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
Cristiane Justino vs. Holly Holm UFC 219 2017.12.30
Marc Diakiese vs. Daniel Hooker UFC 219 2017.12.30
Khalil Rountree vs. Michał Oleksiejczuk UFC 219 2017.12.30
Amirkhan Isagadzhiev vs. Sergey Belostenniy ACB 77 2017.12.23
Chase Gormley vs. Denis Goltsov ACB 77 2017.12.23
Arman Ospanov vs. Alexey Polpudnikov ACB 77 2017.12.23
Albert Duraev vs. Vyacheslav Vasilevsky ACB 77 2017.12.23
Cory Hendricks vs. Konstantin Erokhin ACB 77 2017.12.23
Maycon Silvan vs. Mansur Khatuev ACB 77 2017.12.23
Muslim Makhmudov vs. Asylzhan Bakhytzhanuly ACB 77 2017.12.23
Robbie Lawler vs. Rafael dos Anjos UFC on FOX 26 2017.12.16
Jan Błachowicz vs. Jared Cannonier UFC on FOX 26 2017.12.16
Alessio Di Chirico vs. Oluwale Bamgbose UFC on FOX 26 2017.12.16
Saeed Fatahir vs. Ty Duncan ACB 76 Gold Coast 2017.12.09
Trent Girdham vs. Tim Moore ACB 76 Gold Coast 2017.12.09
Eddie Alvarez vs. Justin Gaethje UFC 218 2017.12.02
Sabah Homasi vs. Abdul Razak Alhassan UFC 218 2017.12.02
David Teymur vs. Drakkar Klose UFC 218 2017.12.02
José Aldo vs. Max Holloway II 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
Stanislav Vlasenko vs. Dominik Schober ACB 74 2017.11.18
Efrain Escudero vs. Musa Khamanaev ACB 74 2017.11.18
Andrew Fisher vs. Akop Stepanyan ACB 74 2017.11.18
Ismail Naurdiev vs. Georgi Valentinov ACB 74 2017.11.18
Bruno Miranda vs. Yilan Sha Road FC 44 2017.11.11
Nandin-Erdene Munguntsooj vs. Mansour Barnaoui Road FC 44 2017.11.11
Kazuyuki Fujita vs. Aorigele Road FC 44 2017.11.11
Kiyoshi Kuwabara vs. Anding Ma Road FC 44 2017.11.11
Yilan Sha vs. Shunya Imai Road FC 44 2017.11.11
Kota Shimoishi vs. Yincang Bao Road FC 44 2017.11.11
Islam Makoev vs. Leandro Silva ACB 73 2017.10.21
Viskhan Magomadov vs. Herbert Batista ACB 73 2017.10.21
Maike Linhares vs. Rustam Asuev ACB 73 2017.10.21
Shamil Akhmaev vs. Alan Gomes ACB 73 2017.10.21
Imran Abaev vs. Luiz Dutra Jr. ACB 73 2017.10.21
Adlan Bataev vs. Adilson Ramos ACB 73 2017.10.21
Kevin Lee vs. Tony Ferguson UFC 216 2017.10.07
Fabrício Werdum vs. Walt Harris UFC 216 2017.10.07
Bobby Green vs. Lando Vannata UFC 216 2017.10.07
Dileno Lopes vs. Dukvakha Astamirov ACB 71 2017.09.30
Rustam Kerimov vs. Takeya Mizugaki ACB 71 2017.09.30
Taichi Nakajima vs. Tural Ragimov ACB 71 2017.09.30
Jonas Billstein vs. Alexey Butorin ACB 71 2017.09.30
Ashley Reece vs. Sam Boult ACB 70 2017.09.23
Kane Mousah vs. Alex Enlund ACB 70 2017.09.23
Jordan Vucenic vs. Shoaib Yousaf ACB 70 2017.09.23
Bubba Jenkins vs. Diego Marlon ACB 70 2017.09.23
Will Noland vs. Ibragim Chuzhigaev ACB 70 2017.09.23
Luke Barnatt vs. Scott Askham ACB 70 2017.09.23
Aaron Robinson vs. Cheya Saleem ACB 70 2017.09.23
Ramazon Nazarov vs. Bakhtiyar Nesipbek ACB 69 2017.09.09
Gusein Khalikhov vs. Fatkhidin Sobirov ACB 68 2017.08.26
Arif Koyuncu vs. Mubaraksho Mubarakshoev ACB 68 2017.08.26
Azam Gaforov vs. Ivan Andrushchenko ACB 68 2017.08.26
Lambert Akhiadov vs. Nemat Abdrashitov ACB 68 2017.08.26
Mindaugas Veržbickas vs. Sharaf Davlatmurodov ACB 68 2017.08.26
Ahmed Wali Hotak vs. Denis Kanakov ACB 68 2017.08.26
Radzhabali Fayzidini vs. Yuri Semenov ACB 68 2017.08.26
Denis Goltsov vs. Mukhamad Vakhaev ACB 67 2017.08.19
Rasul Albaskhanov vs. Darren Mima ACB 67 2017.08.19
Gleristone Santos vs. Alexandr Shabliy ACB 67 2017.08.19
Tiago Trator vs. Rasul Shovhalov ACB 67 2017.08.19
Muslim Makhmudov vs. Jose Daniel Toledo Canellas ACB 67 2017.08.19
Evgeniy Lazukov vs. Shamil Shakhbulatov ACB 67 2017.08.19
Yusup Raisov vs. Luis Palomino ACB 67 2017.08.19
Karl Reed vs. Cameron Olson DW's Contender Series 2017 2017.08.15
Randall Wallace vs. Charles Byrd DW's Contender Series 2017 2017.08.15
Eric Smith vs. Chad Hanekom Global Knockout 10 2017.08.05
Nohelin Hernandez vs. Fierce Taylor Jr. Global Knockout 10 2017.08.05
Martin Sandoval vs. Josh Paiva Global Knockout 10 2017.08.05
Idrees Wasi vs. Jared Vanderaa Global Knockout 10 2017.08.05
Justin Baesman vs. Brandon Hester Global Knockout 10 2017.08.05
Julian Marquez vs. Phil Hawes DW's Contender Series 2017 2017.08.01
Carlos Candelario vs. Ronaldo Candido DW's Contender Series 2017 2017.08.01
Maia Kahaunaele-Stevenson vs. Sijara Eubanks The Ultimate Fighter Season 26 2017.07.31
Demian Maia vs. Tyron Woodley UFC 214 2017.07.29
Aleksandra Albu vs. Kailin Curran UFC 214 2017.07.29
Renan Barão vs. Aljamain Sterling UFC 214 2017.07.29
Nicco Montano vs. Lauren Murphy The Ultimate Fighter Season 26 2017.07.27
Thiago Silva vs. Batraz Agnaev ACB 65 2017.07.22
Will Noland vs. Vyacheslav Vasilevsky ACB 65 2017.07.22
Pat Healy vs. Brendan Loughnane ACB 65 2017.07.22
Donald Sanchez vs. Alexey Polpudnikov ACB 65 2017.07.22
Antonio Sheldon vs. Rico Franco ACB 65 2017.07.22
James Doyle vs. Łukasz Pilch ACB 65 2017.07.22
Adam Boussif vs. Sam Boult ACB 65 2017.07.22
Mate Sanikidze vs. Halil Dogan ACB 64 2017.07.19
Adlan Mamaev vs. George Kechagias ACB 64 2017.07.19
Kadir Dalkiran vs. Kenan Dzhafarli ACB 64 2017.07.19
Sargis Vardanyan vs. Kerim Keleş ACB 64 2017.07.19
Hassan Amouei Taromsari vs. Emre Kuru ACB 64 2017.07.19
Anzor Shakhmurzaev vs. Murat Kilimetov ACB 64 2017.07.19
Maxim Maryanchuk vs. Magomed Khamzaev ACB 64 2017.07.19
Siala Siliga vs. Dong Guk Kang Road FC 40 2017.07.15
Tom Santos vs. Yui Chul Nam Road FC 40 2017.07.15
Yincang Bao vs. Reydon Romero Road FC 40 2017.07.15
Hae In Kim vs. Raika Emiko Road FC 40 2017.07.15
Nandin-Erdene Munguntsooj vs. Gleristone Santos Road FC 40 2017.07.15
Jim Miller vs. Anthony Pettis UFC 213 2017.07.08
Alistair Overeem vs. Fabrício Werdum III UFC 213 2017.07.08
Chad Laprise vs. Brian Camozzi UFC 213 2017.07.08
Grachik Bozinyan vs. Jonas Billstein ACB 62 2017.06.17

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