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Fight Matrix

Jason Jason

  Jason Jason's profile at Sherdog 

Jason Jason's profile at Tapology 

Association: JKS Gym
Pro Debut Date: 2016-10-01
Pro Record: 6-4-0
Win Finish %: 66.6%
Quality Perf. %: 30.0%
Last Ranked: N/A
Highest Ranked: N/A
Last Loss Date: 12/08/2019
Last Loss: [NR] Shun Murata

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

  Opponent Outcome
L Shun Murata Decision (Unanimous)
Round 2
  Grachan / D-Spiral - Grachan 41.5 / D-Spir...
Sunday, December 8th 2019
L Yusaku Hayashi TKO (Punches)
Round 2
  P4P FC 22 - Pound For Pound FC 22 / Stones.3
Sunday, September 29th 2019
W Takashi Terada SUB
Round 1
  PFC 21
Sunday, July 28th 2019
L Yusaku Hayashi Decision (Majority)
Round 2
  P4P FC 20 - Pound For Pound FC 20 / Stones.1
Sunday, April 7th 2019
W Shuto Sudo Submission (Rear-Naked Choke)
Round 2
  Grachan / D-Spiral - Grachan 37.5 / D-Spir...
Sunday, December 9th 2018
W Mitsuharu Nakajima Decision (Majority)
Round 2
  P4P FC - PFC Yarennoka! 2018
Saturday, November 3rd 2018
L Sora Yamamoto Submission (Armbar)
Round 1
  P4P FC 18 - Pound For Pound FC 18
Sunday, October 1st 2017
W Shuto Sudo Decision (Unanimous)
Round 3
  P4P FC 17 - Pound For Pound FC 17
Sunday, July 9th 2017
W Sora Yamamoto KO
Round 1
  PFC 16
Sunday, March 5th 2017
W Taiki Shimada TKO (Punches)
Round 2
  PFC 15
Saturday, October 1st 2016
  Opponent Event Outcome
L Shun Murata   Grachan / D-Spiral - Grachan 41.5 / D-Spir...
Sunday, December 8th 2019 		Decision (Unanimous)
Round 2
L Yusaku Hayashi   P4P FC 22 - Pound For Pound FC 22 / Stones.3
Sunday, September 29th 2019 		TKO (Punches)
Round 2
W Takashi Terada   PFC 21
Sunday, July 28th 2019 		SUB
Round 1
L Yusaku Hayashi   P4P FC 20 - Pound For Pound FC 20 / Stones.1
Sunday, April 7th 2019 		Decision (Majority)
Round 2
W Shuto Sudo   Grachan / D-Spiral - Grachan 37.5 / D-Spir...
Sunday, December 9th 2018 		Submission (Rear-Naked Choke)
Round 2
W Mitsuharu Nakajima   P4P FC - PFC Yarennoka! 2018
Saturday, November 3rd 2018 		Decision (Majority)
Round 2
L Sora Yamamoto   P4P FC 18 - Pound For Pound FC 18
Sunday, October 1st 2017 		Submission (Armbar)
Round 1
W Shuto Sudo   P4P FC 17 - Pound For Pound FC 17
Sunday, July 9th 2017 		Decision (Unanimous)
Round 3
W Sora Yamamoto   PFC 16
Sunday, March 5th 2017 		KO
Round 1
W Taiki Shimada   PFC 15
Saturday, October 1st 2016 		TKO (Punches)
Round 2



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.
Jason Jason
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Mixed Martial Arts Fighter
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