';

Jason Herzog

AGE

N/A

FIGHTS1,232

KO / TKO

392

Meter

32%

SUBMISSIONS

289

Meter

23%

DECISIONS

525

Meter

43%

DRAWS

7

Meter

1%

NO CONTESTS

13

Meter

1%

DISQUALIFICATIONS

6

Meter

0%

REFEREE HISTORY

Event		Fighters		Method	R	Time
Dana White's Contender Series - Contender Series 2025: Week 4 Sep / 02 / 2025	Jean-Paul Lebosnoyani win	Welterweight	Jack Congdon loss	KO (Head Kick and Punch)	1	1:08
Dana White's Contender Series - Contender Series 2025: Week 4 Sep / 02 / 2025	Mandel Nallo win	Lightweight	Samuel Silva loss	KO (Punches)	1	3:29
Dana White's Contender Series - Contender Series 2025: Week 4 Sep / 02 / 2025	Tommy McMillen win	Featherweight	David Mgoyan loss	Decision (Majority)	3	5:00
UFC 319 - Du Plessis vs. Chimaev Aug / 16 / 2025	Carlos Prates win	Welterweight	Geoff Neal loss	KO (Spinning Back Elbow)	1	4:59
UFC 319 - Du Plessis vs. Chimaev Aug / 16 / 2025	Alexander Hernandez win	Lightweight	Chase Hooper loss	TKO (Punches)	1	4:58
Professional Fighters League - 2025 PFL World Tournament 9: Finals Aug / 15 / 2025	Alfie Davis win	TITLE FIGHT Lightweight	Gadzhi Rabadanov loss	Decision (Unanimous)	5	5:00
Professional Fighters League - 2025 PFL World Tournament 9: Finals Aug / 15 / 2025	Marcirley Alves win	TITLE FIGHT Bantamweight	Justin Wetzell loss	Decision (Unanimous)	5	5:00
Professional Fighters League - 2025 PFL World Tournament 9: Finals Aug / 15 / 2025	Juliana Velasquez win	Flyweight	Ekaterina Shakalova loss	Decision (Unanimous)	3	5:00
Dana White's Contender Series - Contender Series 2025: Week 1 Aug / 12 / 2025	Ilian Bouafia win	Middleweight	Neemias Santana loss	Decision (Unanimous)	3	5:00
Dana White's Contender Series - Contender Series 2025: Week 1 Aug / 12 / 2025	Baysangur Susurkaev win	Middleweight	Murtaza Talha Ali loss	KO (Front Kick to the Body)	1	3:04
Dana White's Contender Series - Contender Series 2025: Week 1 Aug / 12 / 2025	Yuri Panferov win	Middleweight	Christopher Ewert loss	Decision (Unanimous)	3	5:00
UFC on ABC 9 - Whittaker vs. de Ridder Jul / 26 / 2025	Asu Almabayev win	Flyweight	Jose Ochoa loss	Decision (Unanimous)	3	5:00
UFC on ABC 9 - Whittaker vs. de Ridder Jul / 26 / 2025	Davey Grant win	Bantamweight	Da'Mon Blackshear loss	Decision (Unanimous)	3	5:00
UFC on ABC 9 - Whittaker vs. de Ridder Jul / 26 / 2025	Steven Nguyen win	Featherweight	Mohammad Yahya loss	TKO (Eye Injury)	2	5:00
UFC 318 - Holloway vs. Poirier 3 Jul / 19 / 2025	Max Holloway win	Lightweight	Dustin Poirier loss	Decision (Unanimous)	5	5:00
UFC 318 - Holloway vs. Poirier 3 Jul / 19 / 2025	Nikolay Veretennikov win	Welterweight	Francisco Prado loss	Decision (Split)	3	5:00
UFC on ESPN 70 - Lewis vs. Teixeira Jul / 12 / 2025	Derrick Lewis win	Heavyweight	Tallison Teixeira loss	TKO (Punches)	1	0:35
UFC on ESPN 70 - Lewis vs. Teixeira Jul / 12 / 2025	Steve Garcia win	Featherweight	Calvin Kattar loss	Decision (Unanimous)	3	5:00
UFC 317 - Topuria vs. Oliveira Jun / 28 / 2025	Joshua Van win	Flyweight	Brandon Royval loss	Decision (Unanimous)	3	5:00
UFC 317 - Topuria vs. Oliveira Jun / 28 / 2025	Tracy Cortez win	Flyweight	Viviane Araujo loss	Decision (Unanimous)	3	5:00
Professional Fighters League - 2025 PFL World Tournament 6: Semifinals Jun / 20 / 2025	Gadzhi Rabadanov win	Lightweight	Kevin Lee loss	TKO (Punches)	1	2:37
Professional Fighters League - 2025 PFL World Tournament 6: Semifinals Jun / 20 / 2025	Marcirley Alves win	Bantamweight	Jake Hadley loss	Decision (Unanimous)	3	5:00
Professional Fighters League - 2025 PFL World Tournament 6: Semifinals Jun / 20 / 2025	Jena Bishop win	Flyweight	Ekaterina Shakalova loss	Submission (Rear-Naked Choke)	2	2:07
Professional Fighters League - 2025 PFL World Tournament 6: Semifinals Jun / 20 / 2025	Darragh Kelly win	Lightweight	Mike Hamel loss	Submission (Face Crank)	3	3:09
Professional Fighters League - 2025 PFL World Tournament 5: Semifinals Jun / 12 / 2025	Thad Jean win	Welterweight	Jason Jackson loss	Decision (Split)	3	5:00
Professional Fighters League - 2025 PFL World Tournament 5: Semifinals Jun / 12 / 2025	Logan Storley win	Welterweight	Masayuki Kikuiri loss	Decision (Unanimous)	3	5:00
Professional Fighters League - 2025 PFL World Tournament 5: Semifinals Jun / 12 / 2025	Magomed Umalatov win	Catchweight	Anthony Ivy loss	KO (Punches)	1	2:28
UFC 316 - Dvalishvili vs. O'Malley 2 Jun / 07 / 2025	Merab Dvalishvili win	TITLE FIGHT Bantamweight	Sean O'Malley loss	Submission (North-South Choke)	3	4:42
UFC 316 - Dvalishvili vs. O'Malley 2 Jun / 07 / 2025	MarQuel Mederos win	Lightweight	Mark Choinski loss	Decision (Unanimous)	3	5:00
UFC Fight Night 256 - Burns vs. Morales May / 17 / 2025	Gabriel Green win	Lightweight	Matheus Camilo loss	Submission (Face Crank)	2	3:43
UFC Fight Night 256 - Burns vs. Morales May / 17 / 2025	Denise Gomes win	Strawweight	Elise Reed loss	TKO (Punches)	2	0:30
UFC 315 - Muhammad vs. Della Maddalena May / 10 / 2025	Jack Della Maddalena win	TITLE FIGHT Welterweight	Belal Muhammad loss	Decision (Unanimous)	5	5:00
UFC 315 - Muhammad vs. Della Maddalena May / 10 / 2025	Jasmine Jasudavicius win	Flyweight	Jessica Andrade loss	Submission (Rear-Naked Choke)	1	2:40
UFC 315 - Muhammad vs. Della Maddalena May / 10 / 2025	Bekzat Almakhan win	Bantamweight	Brad Katona loss	KO (Punches)	1	1:04
UFC on ESPN 66 - Garry vs. Prates Apr / 26 / 2025	Mingyang Zhang win	Light Heavyweight	Anthony Smith loss	TKO (Elbows)	1	4:03
UFC on ESPN 66 - Garry vs. Prates Apr / 26 / 2025	Ikram Aliskerov win	Middleweight	Andre Muniz loss	TKO (Punches)	1	4:54
UFC on ESPN 66 - Garry vs. Prates Apr / 26 / 2025	Da'Mon Blackshear win	Bantamweight	Heili Alateng loss	Decision (Unanimous)	3	5:00
UFC on ESPN 65 - Emmett vs. Murphy Apr / 05 / 2025	Lerone Murphy win	Featherweight	Josh Emmett loss	Decision (Unanimous)	5	5:00
UFC on ESPN 65 - Emmett vs. Murphy Apr / 05 / 2025	Ode Osbourne win	Flyweight	Luis Gurule loss	TKO (Punches)	2	1:54
UFC on ESPN 65 - Emmett vs. Murphy Apr / 05 / 2025	Rhys McKee win	Welterweight	Daniel Frunza loss	TKO (Doctor Stoppage)	1	5:00
UFC Fight Night 255 - Edwards vs. Brady Mar / 22 / 2025	Sean Brady win	Welterweight	Leon Edwards loss	Submission (Guillotine Choke)	4	1:39
UFC Fight Night 255 - Edwards vs. Brady Mar / 22 / 2025	Chris Duncan win	Lightweight	Jordan Vucenic loss	Submission (Guillotine Choke)	2	3:42
UFC Fight Night 255 - Edwards vs. Brady Mar / 22 / 2025	Christian Leroy Duncan win	Middleweight	Andrey Pulyaev loss	Decision (Unanimous)	3	5:00
UFC Fight Night 255 - Edwards vs. Brady Mar / 22 / 2025	Kaue Fernandes win	Lightweight	Guram Kutateladze loss	Decision (Unanimous)	3	5:00
UFC 313 - Pereira vs. Ankalaev Mar / 08 / 2025	Justin Gaethje win	Lightweight	Rafael Fiziev loss	Decision (Unanimous)	3	5:00
UFC 313 - Pereira vs. Ankalaev Mar / 08 / 2025	Joshua Van win	Flyweight	Rei Tsuruya loss	Decision (Unanimous)	3	5:00
UFC Fight Night 253 - Kape vs. Almabayev Mar / 01 / 2025	Nasrat Haqparast win	Lightweight	Esteban Ribovics loss	Decision (Split)	3	5:00
UFC Fight Night 253 - Kape vs. Almabayev Mar / 01 / 2025	Jose Mariscal win	Featherweight	Ricardo Ramos loss	Decision (Unanimous)	3	5:00
UFC Fight Night 253 - Kape vs. Almabayev Mar / 01 / 2025	Ramazonbek Temirov win	Flyweight	Charles Johnson loss	Decision (Unanimous)	3	5:00
UFC Fight Night 252 - Cejudo vs. Song Feb / 22 / 2025	Yadong Song win	Bantamweight	Henry Cejudo loss	Technical Decision (Unanimous)	3	5:00
UFC Fight Night 252 - Cejudo vs. Song Feb / 22 / 2025	Alonzo Menifield win	Light Heavyweight	Julius Walker loss	Decision (Split)	3	5:00
UFC Fight Night 252 - Cejudo vs. Song Feb / 22 / 2025	Mansur Abdul-Malik win	Middleweight	Nick Klein loss	TKO (Knee and Punches)	2	3:24
UFC Fight Night 250 - Adesanya vs. Imavov Feb / 01 / 2025	Michael Page win	Middleweight	Sharabutdin Magomedov loss	Decision (Unanimous)	3	5:00
UFC Fight Night 250 - Adesanya vs. Imavov Feb / 01 / 2025	Shamil Gaziev win	Heavyweight	Thomas Petersen loss	TKO (Punch)	1	3:12
UFC Fight Night 250 - Adesanya vs. Imavov Feb / 01 / 2025	Terrance McKinney win	Lightweight	Damir Hadzovic loss	TKO (Punches)	1	2:01
UFC 311 - Makhachev vs. Moicano Jan / 18 / 2025	Merab Dvalishvili win	TITLE FIGHT Bantamweight	Umar Nurmagomedov loss	Decision (Unanimous)	5	5:00
UFC 311 - Makhachev vs. Moicano Jan / 18 / 2025	Jailton Almeida win	Heavyweight	Serghei Spivac loss	TKO (Punches)	1	4:53
UFC 311 - Makhachev vs. Moicano Jan / 18 / 2025	Muin Gafurov win	Bantamweight	Rinya Nakamura loss	Decision (Unanimous)	3	5:00
Rizin FF - Rizin Bangaichi / Rizin 49: Decade Dec / 31 / 2024	Kleber Koike Erbst win	TITLE FIGHT Featherweight	Chihiro Suzuki loss	Decision (Unanimous)	3	5:00
Rizin FF - Rizin Bangaichi / Rizin 49: Decade Dec / 31 / 2024	Karshyga Dautbek win	Featherweight	Ren Sugiyama loss	Decision (Unanimous)	3	5:00

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