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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
Andrew Sanchez vs. Wellington Turman UFC Fight Night 2020.08.08
Derrick Lewis vs. Alexey Oleinik UFC Fight Night 2020.08.08
Scott Holtzman vs. Beneil Dariush UFC Fight Night 2020.08.08
Luis Rodríguez vs. Jerome Rivera Contender Series 2020 2020.08.04
Ty Flores vs. Dustin Jacoby Contender Series 2020 2020.08.04
Bobby Green vs. Lando Vannata II UFC Fight Night 2020.08.01
Derek Brunson vs. Edmen Shahbazyan UFC Fight Night 2020.08.01
Raphael Pessoa vs. Tanner Boser UFC Fight Night 2020.07.25
Robert Whittaker vs. Darren Till UFC Fight Night 2020.07.25
Francisco Trinaldo vs. Jai Herbert UFC Fight Night 2020.07.25
Fabrício Werdum vs. Alexander Gustafsson UFC Fight Night 2020.07.25
Khadis Ibragimov vs. Roman Dolidze UFC Fight Night 2020.07.18
Kelvin Gastelum vs. Jack Hermansson UFC Fight Night 2020.07.18
Malcolm Gordon vs. Amir Albazi UFC Fight Night 2020.07.18
Aaron Phillips vs. Jack Shore UFC Fight Night 2020.07.15
Khamzat Chimaev vs. John Phillips UFC Fight Night 2020.07.15
Calvin Kattar vs. Dan Ige UFC Fight Night 2020.07.15
Alexander Volkanovski vs. Max Holloway II UFC 251 2020.07.11
Marcin Tybura vs. Maxim Grishin UFC 251 2020.07.11
Elizeu Zaleski vs. Muslim Salikhov UFC 251 2020.07.11
Philipe Lins vs. Tanner Boser UFC Fight Night 2020.06.27
Jordan Griffin vs. Youssef Zalal UFC Fight Night 2020.06.27
Dustin Poirier vs. Dan Hooker UFC Fight Night 2020.06.27
Alexander Volkov vs. Curtis Blaydes UFC Fight Night 2020.06.20
Justin Jaynes vs. Frank Camacho UFC Fight Night 2020.06.20
Jim Miller vs. Roosevelt Roberts UFC Fight Night 2020.06.20
Zarrukh Adashev vs. Tyson Nam UFC Fight Night 2020.06.13
Mark De La Rosa vs. Jordan Espinosa UFC Fight Night 2020.06.13
Jessica Eye vs. Cynthia Calvillo UFC Fight Night 2020.06.13
Sean O'Malley vs. Eddie Wineland UFC 250 2020.06.06
Charles Byrd vs. Maki Pitolo UFC 250 2020.06.06
Amanda Nunes vs. Felicia Spencer UFC 250 2020.06.06
Klidson Abreu vs. Jamahal Hill UFC Fight Night 2020.05.30
Brok Weaver vs. Roosevelt Roberts UFC Fight Night 2020.05.30
Gilbert Burns vs. Tyron Woodley UFC Fight Night 2020.05.30
Nate Landwehr vs. Darren Elkins UFC Fight Night 2020.05.16
Eryk Anders vs. Krzysztof Jotko UFC Fight Night 2020.05.16
Alexander Hernandez vs. Drew Dober UFC Fight Night 2020.05.13
Andrei Arlovski vs. Philipe Lins UFC Fight Night 2020.05.13
Alexey Oleinik vs. Fabrício Werdum UFC 249 2020.05.09
Greg Hardy vs. Yorgan De Castro UFC 249 2020.05.09
Tony Ferguson vs. Justin Gaethje UFC 249 2020.05.09
Viskhan Magomadov vs. Mukhamed Kokov ACA 104 2020.02.21
Jan Błachowicz vs. Corey Anderson II UFC on ESPN+ 25 2020.02.15
Ray Borg vs. Rogério Bontorin UFC on ESPN+ 25 2020.02.15
Macy Chiasson vs. Shanna Young UFC on ESPN+ 25 2020.02.15
Tim Means vs. Daniel Rodriguez UFC on ESPN+ 25 2020.02.15
Justin Ledet vs. Aleksa Camur UFC 246 2020.01.18
Donald Cerrone vs. Conor McGregor UFC 246 2020.01.18
Anthony Pettis vs. Diego Ferreira 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
Bozigit Ataev vs. Emiliano Sordi III PFL 2019 #9 2019.10.31
Francimar Barroso vs. Alex Nicholson II PFL 2019 #9 2019.10.31
Jared Rosholt vs. Mo De'Reese PFL 2019 #9 2019.10.31
Ali Isaev vs. Denis Goltsov PFL 2019 #9 2019.10.31
Sergey Pavlovich vs. Maurice Greene UFC on ESPN+ 20 2019.10.26
Ciryl Gane vs. Don'Tale Mayes UFC on ESPN+ 20 2019.10.26
Demian Maia vs. Ben Askren UFC on ESPN+ 20 2019.10.26
Joe Lauzon vs. Jonathan Pearce UFC on ESPN 6 2019.10.18
Randy Costa vs. Boston Salmon UFC on ESPN 6 2019.10.18
Dominick Reyes vs. Chris Weidman UFC on ESPN 6 2019.10.18
James Vick vs. Niko Price UFC on ESPN+ 19 2019.10.12
Alex Morono vs. Max Griffin UFC on ESPN+ 19 2019.10.12
Marvin Vettori vs. Andrew Sanchez UFC on ESPN+ 19 2019.10.12
Michelle Waterson vs. Joanna Jędrzejczyk UFC on ESPN+ 19 2019.10.12
Luis Pena vs. Matt Frevola UFC on ESPN+ 19 2019.10.12
Alexey Stoyan vs. Asylzhan Bakhytzhanuly ACA 100 2019.10.04
Fernando Gonzalez vs. Abubakar Vagaev ACA 100 2019.10.04
Jesse Taylor vs. Ustarmagomed Gadzhidaudov ACA 100 2019.10.04
Bekzhod Nurmatov vs. Beslan Isaev ACA 100 2019.10.04
Ibragim Chuzhigaev vs. Alex Garcia ACA 99 2019.09.27
Steven Peterson vs. Martín Bravo UFC on ESPN+ 17 2019.09.21
Sergio Pettis vs. Tyson Nam UFC on ESPN+ 17 2019.09.21
Yair Rodriguez vs. Jeremy Stephens UFC on ESPN+ 17 2019.09.21
Lerone Murphy vs. Zubaira Tukhugov UFC 242 2019.09.07
Edson Barboza vs. Paul Felder II UFC 242 2019.09.07
Mairbek Taisumov vs. Diego Ferreira UFC 242 2019.09.07
Muslim Salikhov vs. Nordine Taleb UFC 242 2019.09.07
Bruno Cannetti vs. Andrés Quintana II Combate 42 2019.08.23
Lupita Godinez vs. Felisha Magallan Combate 42 2019.08.23
Phil Caracappa vs. Ricky Steele Contender Series 2019 2019.08.20
Philip Rowe vs. Leon Shahbazyan Contender Series 2019 2019.08.20
Steve Garcia vs. Desmond Torres Contender Series 2019 2019.08.20
Sodiq Yusuff vs. Gabriel Benítez 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
Dwight Joseph vs. Jay Perrin Contender Series 2019 2019.08.06
Darrick Minner vs. Herbert Burns Contender Series 2019 2019.08.06
Miranda Granger vs. Hannah Goldy UFC on ESPN 5 2019.08.03
Trevin Giles vs. Gerald Meerschaert UFC on ESPN 5 2019.08.03
Jim Miller vs. Clay Guida UFC on ESPN 5 2019.08.03
Krzysztof Jotko vs. Marc-André Barriault UFC 240 2019.07.27
Max Holloway vs. Frankie Edgar UFC 240 2019.07.27
Jordan Williams vs. Ramazan Kuramagomedov Contender Series 2019 2019.07.23
JJ Okanovich vs. Christian Lohsen Contender Series 2019 2019.07.23
Billy Quarantillo vs. Kamuela Kirk Contender Series 2019 2019.07.23
Germaine de Randamie vs. Aspen Ladd UFC on ESPN+ 13 2019.07.13
Cezar Ferreira vs. Marvin Vettori UFC on ESPN+ 13 2019.07.13
Joe Solecki vs. James Wallace Contender Series 2019 2019.07.09
Chris Ocon vs. Hunter Azure Contender Series 2019 2019.07.09
Jonathan Pearce vs. Jacob Rosales Contender Series 2019 2019.07.09
Jan Błachowicz vs. Luke Rockhold UFC 239 2019.07.06
Yadong Song vs. Alejandro Perez UFC 239 2019.07.06
Thiago Santos vs. Jon Jones UFC 239 2019.07.06
Paul Craig vs. Alonzo Menifield UFC on ESPN 3 2019.06.29
Junior dos Santos vs. Francis N'Gannou UFC on ESPN 3 2019.06.29
Jared Gordon vs. Dan Moret UFC on ESPN 3 2019.06.29
Punahele Soriano vs. Jamie Pickett Contender Series 2019 2019.06.18
Bill Algeo vs. Brendan Loughnane Contender Series 2019 2019.06.18
Rodolfo Vieira vs. Vitaliy Nemchinov ACA 96 2019.06.08
Ryan Spann vs. Antônio Rogério Nogueira UFC 237 2019.05.11
Clay Guida vs. BJ Penn UFC 237 2019.05.11
Jared Cannonier vs. Anderson Silva UFC 237 2019.05.11
Islam Makhachev vs. Arman Tsarukyan UFC on ESPN+ 7 2019.04.20
Krzysztof Jotko vs. Alen Amedovski UFC on ESPN+ 7 2019.04.20
Marcin Tybura vs. Shamil Abdurakhimov UFC on ESPN+ 7 2019.04.20
Jesus Pinedo vs. John Makdessi UFC on ESPN+ 6 2019.03.23
Alexis Davis vs. Jennifer Maia UFC on ESPN+ 6 2019.03.23
Stephen Thompson vs. Anthony Pettis UFC on ESPN+ 6 2019.03.23
Luis Pena vs. Steven Peterson UFC on ESPN+ 6 2019.03.23
Tim Boetsch vs. Omari Akhmedov UFC on ESPN+ 4 2019.03.09
Ben Rothwell vs. Blagoy Ivanov UFC on ESPN+ 4 2019.03.09
Grant Dawson vs. Julian Erosa UFC on ESPN+ 4 2019.03.09
Junior dos Santos vs. Derrick Lewis UFC on ESPN+ 4 2019.03.09
Jon Jones vs. Anthony Smith UFC 235 2019.03.02
Misha Cirkunov vs. Johnny Walker UFC 235 2019.03.02
Robbie Lawler vs. Ben Askren UFC 235 2019.03.02
Thiago Santos vs. Jan Błachowicz UFC on ESPN+ 3 2019.02.23
Lucie Pudilová vs. Liz Carmouche UFC on ESPN+ 3 2019.02.23
Daniel Teymur vs. Chris Fishgold UFC on ESPN+ 3 2019.02.23
Dong Hyun Ma vs. Devonte Smith 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
Daniel Crawford vs. AJ McKee Jr. Bellator 212 2018.12.14
Toby Misech vs. Edward Thommes Bellator 212 2018.12.14
Brent Primus vs. Michael Chandler II Bellator 212 2018.12.14
Junior dos Santos vs. Tai Tuivasa UFC Fight Night 142 2018.12.01
Wilson Reis vs. Ben Nguyen UFC Fight Night 142 2018.12.01
Mark Hunt vs. Justin Willis 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
Ulka Sasaki vs. Alexandre Pantoja 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
Sharaf Davlatmurodov vs. Umar Yankovskiy ACB 90 2018.11.10
Georgi Karakhanyan vs. Timur Nagibin ACB 90 2018.11.10

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