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Gavin Hallinan

  Gavin Hallinan's profile at Sherdog 

Gavin Hallinan's profile at Tapology 

Rank State: California
Last 5: L L W W W
Association: Raul Castillo Martial Arts
Pro Debut Date: 2024-05-18
Pro Record: 3-1-0
Current Ranking:
#957 Welterweight
'Big League' Record: 0-0-0
Last 3 Years: 3-2-0
Win Finish %: 100%
Combat Age: 0
Quality Perf. %: 75%
Last Quality Perf.: 2025-12-13
540 Metric: .299
Rating Points: 18
Highest Quarterly Ranking: 1/01/2026

#975 Welterweight
Last Fight Date: 12/13/2025 [Fight Night San Jose]
Last Opponent: [NR] Oseyiomon Oiyemhonlan
Last Loss Date: 5/18/2024
Last Loss: [#785 WW] Jackson Hemauer
Opponent's Last 5: - - W W W

Complete Professional MMA Fight History
Fighter rankings represent most recent generated quarterly rating prior to the fight

  Opponent Outcome
W Oseyiomon Oiyemhonlan Submission (Rear-Naked Choke)
Round 2
  Fight Night San Jose Fight Night San Jose 4
Saturday, December 13th 2025
W Joseph Stratton Thurrott TKO
Round 2
  Fight Night San Jose 2 - Tech CU Arena
Saturday, December 14th 2024
W Michael Sandige Submission (Armbar)
Round 1
  PureCombat - Battleground
Saturday, July 27th 2024
L Jackson Hemauer Decision (Split)
Round 3
  Fight Night at the Tech - Tech CU Arena
Saturday, May 18th 2024
  Opponent Event Outcome
W Oseyiomon Oiyemhonlan   Fight Night San Jose Fight Night San Jose 4
Saturday, December 13th 2025 		Submission (Rear-Naked Choke)
Round 2
W Joseph Stratton Thurrott   Fight Night San Jose 2 - Tech CU Arena
Saturday, December 14th 2024 		TKO
Round 2
W Michael Sandige   PureCombat - Battleground
Saturday, July 27th 2024 		Submission (Armbar)
Round 1
L Jackson Hemauer   Fight Night at the Tech - Tech CU Arena
Saturday, May 18th 2024 		Decision (Split)
Round 3

Quarterly Generated Historical Rankings
Rating bar represents the fighter's standing relative to the top of the division at the time

Date ↑ ↓ Rank Record Points
01/01/2026 NR #975 Welterweight 3-1-0
18


A fighter's rank (US) state is assigned based on the state that the fighter most frequently fought in professionally, within the past three years. If there is a tie, the most recent state is used. The Win-Loss-Draw record for the fighter in the "Big Leagues". The Big Leagues refer to the top organizations based on a statistical analysis we performed. Some organizations were counted as one, due to mergers, etc. A quality performance is a fight in which the fighter fought an acceptable opponent, and substantiated their current rating (at the time) based on the outcome. At it's most basic level, one can equate "combat age" to "dog years" in that it will mirror the basic human lifecycle. With this computation, we expect fighters to hit their respective "peak" in the years that your typical adult "peaks" in life, somewhere between 25 and 40. We will expect most fighters to start their descent at some point in their 40s and be far removed from their peak by 60. This is an experimental metric that attempts to reflect a fighter's recent opposition quality. The metric goes back 1,080 days, and looks at all the fighter's opponents' W-L-D records within a window of 540 days before, and 540 days after their respective bout(s) with the fighter. All of the records are added up and the cumulative win percentage is presented by this metric in a "strength of schedule" format. These ranking sets have been generated by a recent version of the software, using recent data and will not match previously published issues of the rankings, especially since a majority of these generated sets are for dates much earlier than the site’s inception.

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