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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
Viskhan Magomadov vs. Mukhamed Kokov ACA 104 2020.02.21
Daniel Rodriguez vs. Tim Means UFC on ESPN+ 25 2020.02.15
Shanna Young vs. Macy Chiasson UFC on ESPN+ 25 2020.02.15
Rogério Bontorin vs. Ray Borg UFC on ESPN+ 25 2020.02.15
Corey Anderson vs. Jan Błachowicz II UFC on ESPN+ 25 2020.02.15
Diego Ferreira vs. Anthony Pettis UFC 246 2020.01.18
Donald Cerrone vs. Conor McGregor UFC 246 2020.01.18
Aleksa Camur vs. Justin Ledet UFC 246 2020.01.18
Raimundo Batista vs. Yusup Raisov ACA 103 2019.12.14
Marat Balaev vs. Diego Brandão ACA 103 2019.12.14
Alexey Efremov vs. Brett Cooper ACA 103 2019.12.14
Alexey Shaposhnikov vs. Goga Shamatava ACA 103 2019.12.14
Andrey Goncharov vs. Rustam Taldiev ACA 103 2019.12.14
Francimar Barroso vs. Alex Nicholson II PFL 2019 #9 2019.10.31
Jared Rosholt vs. Mo De'Reese PFL 2019 #9 2019.10.31
Denis Goltsov vs. Ali Isaev PFL 2019 #9 2019.10.31
Bozigit Ataev vs. Emiliano Sordi III PFL 2019 #9 2019.10.31
Dontale Mayes vs. Ciryl Gane UFC on ESPN+ 20 2019.10.26
Maurice Greene vs. Sergey Pavlovich UFC on ESPN+ 20 2019.10.26
Ben Askren vs. Demian Maia UFC on ESPN+ 20 2019.10.26
Jonathan Pearce vs. Joe Lauzon UFC on ESPN 6 2019.10.18
Chris Weidman vs. Dominick Reyes UFC on ESPN 6 2019.10.18
Boston Salmon vs. Randy Costa UFC on ESPN 6 2019.10.18
Luis Pena vs. Matt Frevola UFC on ESPN+ 19 2019.10.12
Marvin Vettori vs. Andrew Sanchez UFC on ESPN+ 19 2019.10.12
Niko Price vs. James Vick UFC on ESPN+ 19 2019.10.12
Max Griffin vs. Alex Morono UFC on ESPN+ 19 2019.10.12
Joanna Jędrzejczyk vs. Michelle Waterson UFC on ESPN+ 19 2019.10.12
Abubakar Vagaev vs. Fernando Gonzalez ACA 100 2019.10.04
Bekzhod Nurmatov vs. Beslan Isaev ACA 100 2019.10.04
Jesse Taylor vs. Ustarmagomed Gadzhidaudov ACA 100 2019.10.04
Alexey Stoyan vs. Asylzhan Bakhytzhanuly ACA 100 2019.10.04
Alex Garcia vs. Ibragim Chuzhigaev ACA 99 2019.09.27
Steven Peterson vs. Martín Bravo UFC on ESPN+ 17 2019.09.21
Yair Rodriguez vs. Jeremy Stephens UFC on ESPN+ 17 2019.09.21
Sergio Pettis vs. Tyson Nam UFC on ESPN+ 17 2019.09.21
Diego Ferreira vs. Mairbek Taisumov UFC 242 2019.09.07
Zubaira Tukhugov vs. Lerone Murphy UFC 242 2019.09.07
Paul Felder vs. Edson Barboza II UFC 242 2019.09.07
Muslim Salikhov vs. Nordine Taleb UFC 242 2019.09.07
Felisha Magallan vs. Lupita Godinez Combate 42 2019.08.23
Bruno Cannetti vs. Andrés Quintana II Combate 42 2019.08.23
Philip Rowe vs. Leon Shahbazyan Contender Series 2019 2019.08.20
Ricky Steele vs. Phil Caracappa Contender Series 2019 2019.08.20
Steve Garcia vs. Desmond Torres Contender Series 2019 2019.08.20
Gabriel Benítez vs. Sodiq Yusuff UFC 241 2019.08.17
Stipe Miocic vs. Daniel Cormier II UFC 241 2019.08.17
Omar Morales vs. Harvey Park Contender Series 2019 2019.08.06
Herbert Burns vs. Darrick Minner Contender Series 2019 2019.08.06
Dwight Joseph vs. Jay Perrin Contender Series 2019 2019.08.06
Trevin Giles vs. Gerald Meerschaert UFC on ESPN 5 2019.08.03
Hannah Goldy vs. Miranda Granger UFC on ESPN 5 2019.08.03
Jim Miller vs. Clay Guida UFC on ESPN 5 2019.08.03
Max Holloway vs. Frankie Edgar UFC 240 2019.07.27
Krzysztof Jotko vs. Marc-André Barriault UFC 240 2019.07.27
Christian Lohsen vs. JJ Okanovich Contender Series 2019 2019.07.23
Kamuela Kirk vs. Billy Quarantillo Contender Series 2019 2019.07.23
Ramazan Kuramagomedov vs. Jordan Williams Contender Series 2019 2019.07.23
Aspen Ladd vs. Germaine de Randamie UFC on ESPN+ 13 2019.07.13
Marvin Vettori vs. Cezar Ferreira UFC on ESPN+ 13 2019.07.13
Joe Solecki vs. James Wallace Contender Series 2019 2019.07.09
Jacob Rosales vs. Jonathan Pearce Contender Series 2019 2019.07.09
Chris Ocon vs. Hunter Azure Contender Series 2019 2019.07.09
Yadong Song vs. Alejandro Perez UFC 239 2019.07.06
Jan Błachowicz vs. Luke Rockhold UFC 239 2019.07.06
Thiago Santos vs. Jon Jones UFC 239 2019.07.06
Junior dos Santos vs. Francis N'Gannou UFC on ESPN 3 2019.06.29
Dan Moret vs. Jared Gordon UFC on ESPN 3 2019.06.29
Alonzo Menifield vs. Paul Craig UFC on ESPN 3 2019.06.29
Brendan Loughnane vs. Bill Algeo Contender Series 2019 2019.06.18
Jamie Pickett vs. Punahele Soriano Contender Series 2019 2019.06.18
Vitaliy Nemchinov vs. Rodolfo Vieira ACA 96 2019.06.08
Anderson Silva vs. Jared Cannonier UFC 237 2019.05.11
Ryan Spann vs. Antônio Rogério Nogueira UFC 237 2019.05.11
BJ Penn vs. Clay Guida UFC 237 2019.05.11
Marcin Tybura vs. Shamil Abdurakhimov UFC on ESPN+ 7 2019.04.20
Krzysztof Jotko vs. Alen Amedovski UFC on ESPN+ 7 2019.04.20
Arman Tsarukyan vs. Islam Makhachev UFC on ESPN+ 7 2019.04.20
Jesus Pinedo vs. John Makdessi UFC on ESPN+ 6 2019.03.23
Anthony Pettis vs. Stephen Thompson UFC on ESPN+ 6 2019.03.23
Jennifer Maia vs. Alexis Davis UFC on ESPN+ 6 2019.03.23
Steven Peterson vs. Luis Pena UFC on ESPN+ 6 2019.03.23
Omari Akhmedov vs. Tim Boetsch UFC on ESPN+ 4 2019.03.09
Derrick Lewis vs. Junior dos Santos UFC on ESPN+ 4 2019.03.09
Julian Erosa vs. Grant Dawson UFC on ESPN+ 4 2019.03.09
Blagoy Ivanov vs. Ben Rothwell UFC on ESPN+ 4 2019.03.09
Jon Jones vs. Anthony Smith UFC 235 2019.03.02
Ben Askren vs. Robbie Lawler UFC 235 2019.03.02
Misha Cirkunov vs. Johnny Walker UFC 235 2019.03.02
Daniel Teymur vs. Chris Fishgold UFC on ESPN+ 3 2019.02.23
Thiago Santos vs. Jan Błachowicz UFC on ESPN+ 3 2019.02.23
Liz Carmouche vs. Lucie Pudilová UFC on ESPN+ 3 2019.02.23
Devonte Smith vs. Dong Hyun Ma UFC 234 2019.02.09
Teruto Ishihara vs. Kyung Ho Kang UFC 234 2019.02.09
Anderson Silva vs. Israel Adesanya UFC 234 2019.02.09
Edward Thommes vs. Toby Misech Bellator 212 2018.12.14
Brent Primus vs. Michael Chandler II Bellator 212 2018.12.14
AJ McKee Jr. vs. Daniel Crawford Bellator 212 2018.12.14
Wilson Reis vs. Ben Nguyen UFC Fight Night 142 2018.12.01
Mark Hunt vs. Justin Willis UFC Fight Night 142 2018.12.01
Tai Tuivasa vs. Junior dos Santos UFC Fight Night 142 2018.12.01
Albert Morales vs. James Barnes Liddell vs. Ortiz 3 2018.11.24
Tito Ortiz vs. Chuck Liddell III Liddell vs. Ortiz 3 2018.11.24
Santiago Ponzinibbio vs. Neil Magny UFC Fight Night 140 2018.11.17
Alexandre Pantoja vs. Ulka Sasaki UFC Fight Night 140 2018.11.17
Poliana Botelho vs. Cynthia Calvillo UFC Fight Night 140 2018.11.17
Herdeson Batista vs. Alexander Sarnavskiy ACB 90 2018.11.10
Musa Khamanaev vs. Marcin Held ACB 90 2018.11.10
Alexey Polpudnikov vs. Alexander Peduson ACB 90 2018.11.10
Mukhamad Vakhaev vs. Sergey Belostenniy ACB 90 2018.11.10
Salimgerey Rasulov vs. Tanner Boser ACB 90 2018.11.10
Andre Winner vs. Yusup Raisov 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
Derek Brunson vs. Israel Adesanya UFC 230 2018.11.03
Daniel Cormier vs. Derrick Lewis UFC 230 2018.11.03
Ben Saunders vs. Lyman Good UFC 230 2018.11.03
Jussier Formiga vs. Sergio Pettis UFC 229 2018.10.06
Khabib Nurmagomedov vs. Conor McGregor UFC 229 2018.10.06
Derrick Lewis vs. Alexander Volkov UFC 229 2018.10.06
Rory MacDonald vs. Gegard Mousasi Bellator 206 2018.09.29
Dakota Zimmerman vs. Keri Taylor-Melendez Bellator 206 2018.09.29
Amber Leibrock vs. Arlene Blencowe Bellator 206 2018.09.29
Gaston Reyno vs. Carlos Ernesto Ochoa Combate 25 2018.09.28
Ozzie Alvarez vs. Daniel Rodriguez Combate 25 2018.09.28
David Duran vs. Heinrich Wassmer Combate 25 2018.09.28
Francis Hernandez vs. Melissa Martinez Combate 25 2018.09.28
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
Magomed Ankalaev vs. Marcin Prachnio UFC Fight Night 136 2018.09.15
Murad Machaev vs. Marat Balaev ACB 89 2018.09.08
Rasul Albaskhanov vs. Narek Avagyan ACB 89 2018.09.08
Magomed Sulumov vs. Akop Stepanyan ACB 89 2018.09.08
Makharbek Karginov vs. Islam Meshev ACB 89 2018.09.08
Abdul-Aziz Abdulvakhabov vs. Ali Bagov III ACB 89 2018.09.08
Piotr Strus vs. Albert Duraev ACB 89 2018.09.08
Justin Frazier vs. Michel Batista The Ultimate Fighter Season 28 2018.08.15
Juan Espino vs. Maurice Greene The Ultimate Fighter Season 28 2018.08.15
Mabelly Lima vs. Luana Carolina DW's Contender Series 2018 2018.08.11
Allan Nascimento vs. Raulian Paiva DW's Contender Series 2018 2018.08.11
Johnny Walker vs. Luis Henrique da Silva DW's Contender Series 2018 2018.08.11
André Muniz vs. Bruno Assis DW's Contender Series 2018 2018.08.11
Dennis Bryant vs. Kennedy Nzechukwu DW's Contender Series 2018 2018.08.07
Greg Hardy vs. Tebaris Gordon DW's Contender Series 2018 2018.08.07
T.J. Dillashaw vs. Cody Garbrandt UFC 227 2018.08.04
Polyana Viana vs. JJ Aldrich UFC 227 2018.08.04
Maycee Barber vs. Jamie Colleen DW's Contender Series 2018 2018.07.17
Antonio Jones vs. Edmen Shahbazyan DW's Contender Series 2018 2018.07.17
Chibwikem Onyenegecha vs. Anthony Adams DW's Contender Series 2018 2018.07.17
Blagoy Ivanov vs. Junior dos Santos UFC Fight Night 133 2018.07.14

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