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Fight Matrix

Erson Yamamoto

  Erson Yamamoto's profile at Sherdog 

Erson Yamamoto's profile at Tapology 

Age: 28
Last 5: L W L L W
Association: Krazy Bee
Pro Debut Date: 2015-12-31
Pro Record: 5-7-0
Current Ranking:
#521 Flyweight
'Big League' Record: 5-7-0
Last 3 Years: 2-2-0
Win Finish %: 60%
Combat Age: 31
Quality Perf. %: 33.3%
Last Quality Perf.: 2025-05-04
540 Metric: .810
Rating Points: 20
Highest Quarterly Ranking: 7/01/2023

#198 Flyweight
Last Fight Date: 5/04/2025 [Rizin Fighting Federation]
Last Opponent: [NR] Daichi Tomizawa
Last Loss Date: 3/23/2024
Last Loss: [#217 FLW] Yuya Shibata
Opponent's Last 5: L W W W L

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

  Opponent Outcome
W Daichi Tomizawa Submission (Face Crank)
Round 2
  Rizin FF - Otoko Matsuri
Sunday, May 4th 2025
L Yuya Shibata
#132 Flyweight 		Submission (Kneebar)
Round 1
  Rizin FF - Landmark Vol. 9
Saturday, March 23rd 2024
L Ryuya Fukuda
#31 Flyweight 		TKO (Doctor Stoppage)
Round 3
  Rizin FF - Rizin 44
Sunday, September 24th 2023
W Yuki Ito
#134 Flyweight 		Decision (Unanimous)
Round 3
  Rizin FF - Rizin 42
Saturday, May 6th 2023
L Kenji Kato
#446 Bantamweight 		KO (Punch)
Round 1
  Rizin FF - Rizin 22
Sunday, August 9th 2020
W Tim Eschtruth KO (Elbow)
Round 1
  Rizin FF - Rizin 16
Sunday, June 2nd 2019
L Kazuyuki Miyata Submission (Hammerlock)
Round 2
  Rizin FF - Rizin 14
Monday, December 31st 2018
L Manel Kape TKO (Head Kick and Punch)
Round 1
  Rizin Fighting World Grand Prix 2017 - Men...
Sunday, October 15th 2017
W Jesse Rogge TKO (Doctor Stoppage)
Round 1
  KOTC - Fire Starter
Friday, June 9th 2017
L Hideo Tokoro
#399 Featherweight 		Submission (Armbar)
Round 1
  Rizin 4 - Rizin Fighting World Grand Prix ...
Saturday, December 31st 2016
W Kizaemon Saiga
#711 Bantamweight 		Decision (Split)
Round 2
  Rizin 2 - Rizin Fighting World Grand Prix ...
Sunday, September 25th 2016
L Kron Gracie Submission (Triangle Choke)
Round 1
  Rizin Fighting Federation - Iza no Mai
Thursday, December 31st 2015
  Opponent Event Outcome
W Daichi Tomizawa   Rizin FF - Otoko Matsuri
Sunday, May 4th 2025 		Submission (Face Crank)
Round 2
L Yuya Shibata
#132 Flyweight 		  Rizin FF - Landmark Vol. 9
Saturday, March 23rd 2024 		Submission (Kneebar)
Round 1
L Ryuya Fukuda
#31 Flyweight 		  Rizin FF - Rizin 44
Sunday, September 24th 2023 		TKO (Doctor Stoppage)
Round 3
W Yuki Ito
#134 Flyweight 		  Rizin FF - Rizin 42
Saturday, May 6th 2023 		Decision (Unanimous)
Round 3
L Kenji Kato
#446 Bantamweight 		  Rizin FF - Rizin 22
Sunday, August 9th 2020 		KO (Punch)
Round 1
W Tim Eschtruth   Rizin FF - Rizin 16
Sunday, June 2nd 2019 		KO (Elbow)
Round 1
L Kazuyuki Miyata   Rizin FF - Rizin 14
Monday, December 31st 2018 		Submission (Hammerlock)
Round 2
L Manel Kape   Rizin Fighting World Grand Prix 2017 - Men...
Sunday, October 15th 2017 		TKO (Head Kick and Punch)
Round 1
W Jesse Rogge   KOTC - Fire Starter
Friday, June 9th 2017 		TKO (Doctor Stoppage)
Round 1
L Hideo Tokoro
#399 Featherweight 		  Rizin 4 - Rizin Fighting World Grand Prix ...
Saturday, December 31st 2016 		Submission (Armbar)
Round 1
W Kizaemon Saiga
#711 Bantamweight 		  Rizin 2 - Rizin Fighting World Grand Prix ...
Sunday, September 25th 2016 		Decision (Split)
Round 2
L Kron Gracie   Rizin Fighting Federation - Iza no Mai
Thursday, December 31st 2015 		Submission (Triangle Choke)
Round 1

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
04/01/2025 9 #524 Flyweight 4-7-0
20
01/01/2025 2 #515 Flyweight 4-7-0
20
10/01/2024 42 #513 Flyweight 4-7-0
21
07/01/2024 73 #471 Flyweight 4-7-0
21
04/01/2024 85 #398 Flyweight 4-7-0
23
01/01/2024 48 #313 Flyweight 4-6-0
26
10/01/2023 67 #265 Flyweight 4-6-0
28
07/01/2023 NR #198 Flyweight 4-5-0
30


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.
Erson Yamamoto
Rizin Fighting Federation
Rizin Fighting Federation Fighter
Mixed Martial Arts Fighter
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