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FightIQ · UFC stats · UFC first-round finish rate by referee

UFC first-round finish rate by referee

Across the UFC record, the first-round finish rate is highest under John McCarthy at 44% (622 fights) and lowest under Todd Ronald Anderson at 16% (45 fights).

How often a UFC fight is over inside one round.
Computed from 7,357 fights · 30 referees · updated 14 October 2026
First-round finish rate by referee30 bars. Highest: John McCarthy at 44% from 622 fights. The table below carries every value.Herb DeanHerb Dean: 29% (1,258 fights)29%John McCarthyJohn McCarthy: 44% (622 fights)44%Marc GoddardMarc Goddard: 26% (619 fights)26%Dan MiragliottaDan Miragliotta: 30% (498 fights)30%Jason HerzogJason Herzog: 25% (482 fights)25%Mark SmithMark Smith: 23% (460 fights)23%Chris TognoniChris Tognoni: 23% (459 fights)23%Keith PetersonKeith Peterson: 19% (405 fights)19%Mario YamasakiMario Yamasaki: 36% (388 fights)36%Yves LavigneYves Lavigne: 30% (264 fights)30%Mike BeltranMike Beltran: 29% (210 fights)29%Steve MazzagattiSteve Mazzagatti: 33% (199 fights)33%Leon RobertsLeon Roberts: 27% (193 fights)27%Kerry HatleyKerry Hatley: 25% (166 fights)25%Josh RosenthalJosh Rosenthal: 25% (120 fights)25%Kevin MacDonaldKevin MacDonald: 28% (109 fights)28%Jerin ValelJerin Valel: 19% (91 fights)19%Steve PercevalSteve Perceval: 31% (90 fights)31%Jacob MontalvoJacob Montalvo: 20% (79 fights)20%John SharpJohn Sharp: 28% (76 fights)28%Rich MitchellRich Mitchell: 26% (76 fights)26%Lukasz BosackiLukasz Bosacki: 26% (73 fights)26%Kevin MulhallKevin Mulhall: 27% (60 fights)27%Daniel MovahediDaniel Movahedi: 24% (59 fights)24%Blake GriceBlake Grice: 23% (57 fights)23%Osiris MaiaOsiris Maia: 32% (56 fights)32%Gary CopelandGary Copeland: 31% (51 fights)31%Kevin SatakiKevin Sataki: 21% (48 fights)21%Todd Ronald AndersonTodd Ronald Anderson: 16% (45 fights)16%Neil HallNeil Hall: 25% (44 fights)25%
First-round finish rate by referee · every value is in the table below, with the number of fights behind it.
RefereeR1 finish rateFirst-round finishesFights
Herb Dean29%3651,258
John McCarthy44%272622
Marc Goddard26%159619
Dan Miragliotta30%150498
Jason Herzog25%119482
Mark Smith23%105460
Chris Tognoni23%107459
Keith Peterson19%75405
Mario Yamasaki36%139388
Yves Lavigne30%78264
Mike Beltran29%61210
Steve Mazzagatti33%65199
Leon Roberts27%52193
Kerry Hatley25%42166
Josh Rosenthal25%30120
Kevin MacDonald28%30109
Jerin Valel19%1791
Steve Perceval31%2890
Jacob Montalvo20%1679
John Sharp28%2176
Rich Mitchell26%2076
Lukasz Bosacki26%1973
Kevin Mulhall27%1660
Daniel Movahedi24%1459
Blake Grice23%1357
Osiris Maia32%1856
Gary Copeland31%1651
Kevin Sataki21%1048
Todd Ronald Anderson16%745
Neil Hall25%1144
What counts. A first-round finish is a knockout or submission the official record places in round one. A fight is a UFC bout on the official record with a result. Draws, no-contests and overturned results are excluded from every count on this page; disqualifications and could-not-continues are counted as fights, which is why the knockout, submission and decision shares do not add up to 100%. How this table is cut. The 30 referees with the most UFC bouts on the official record. A referee does not choose the assignments, so these are differences in the fights each one was given as much as in how each one calls them. 1,403 fights are outside this table. They were officiated by somebody outside those 30, or carry no referee on the record. They are not missing from our record — they are on the year-by-year archive like every other bout; there is simply no row here for them to sit in. Check us. Every number here is recomputed from the official UFC statistical record on each build — nothing on this page is typed in by hand. Search every fight to filter the same record yourself, or start from the year-by-year archive.
First-round finish rate — cut another way
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