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Fight Matrix

Nathan Kirby

  Nathan Kirby's profile at Sherdog 
Association: N/A
Pro Debut Date: 2006-10-07
Pro Record: 5-3-0
Win Finish %: 60.0%
Quality Perf. %: 12.5%
Last Ranked: 10/01/2008

#342 Heavyweight

Highest Quarterly Ranking: 4/01/2007

#289 Heavyweight

Last Loss Date: 11/13/2009
Last Loss: [NR] Scott Barrett

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

  Opponent Outcome
L Scott Barrett
#161 Heavyweight
TKO (Punches)
Round 2
  Cage Rulers - Carnage in the Cage
Friday, November 13th 2009
W Frank Gonzales Decision (Unanimous)
Round 3
  CK - Breaking Point
Friday, October 9th 2009
W Dusty Puckett Submission (Strikes)
Round 1
  EC 83 - Extreme Challenge 83
Saturday, September 1st 2007
L Kerry Schall
#118 Heavyweight
DQ
Round 0
  EC 74 - Extreme Challenge 74
Saturday, March 10th 2007
L Karl Knothe
#254 Heavyweight
Submission (Rear Naked Choke)
Round 1
  Mainstream MMA 5 - Heavy Duty
Saturday, February 10th 2007
W Chuck Grigsby
#213 Heavyweight
Submission (Punches)
Round 2
  Mainstream MMA 4 - Epic
Saturday, January 6th 2007
W Jeff Scott TKO (Punches)
Round 1
  EC 73 - Extreme Challenge 73
Saturday, October 28th 2006
W Justin Grizzard N/A
Round 1
  EC 71 - Extreme Challenge 71
Saturday, October 7th 2006
  Opponent Event Outcome
L Scott Barrett
#161 Heavyweight
  Cage Rulers - Carnage in the Cage
Friday, November 13th 2009
TKO (Punches)
Round 2
W Frank Gonzales   CK - Breaking Point
Friday, October 9th 2009
Decision (Unanimous)
Round 3
W Dusty Puckett   EC 83 - Extreme Challenge 83
Saturday, September 1st 2007
Submission (Strikes)
Round 1
L Kerry Schall
#118 Heavyweight
  EC 74 - Extreme Challenge 74
Saturday, March 10th 2007
DQ
Round 0
L Karl Knothe
#254 Heavyweight
  Mainstream MMA 5 - Heavy Duty
Saturday, February 10th 2007
Submission (Rear Naked Choke)
Round 1
W Chuck Grigsby
#213 Heavyweight
  Mainstream MMA 4 - Epic
Saturday, January 6th 2007
Submission (Punches)
Round 2
W Jeff Scott   EC 73 - Extreme Challenge 73
Saturday, October 28th 2006
TKO (Punches)
Round 1
W Justin Grizzard   EC 71 - Extreme Challenge 71
Saturday, October 7th 2006
N/A
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
10/01/2008 5 #342 Heavyweight 4-2-0
16
07/01/2008 1 #337 Heavyweight 4-2-0
16
04/01/2008 6 #338 Heavyweight 4-2-0
16
01/01/2008 19 #344 Heavyweight 4-2-0
16
10/01/2007 26 #325 Heavyweight 4-2-0
16
07/01/2007 10 #299 Heavyweight 3-2-0
16
04/01/2007 NR #289 Heavyweight 3-2-0
16


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.
Nathan Kirby
Unknown
Mixed Martial Arts Fighter
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