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Fight Matrix
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Osman Diaz

  Osman Diaz's profile at Sherdog 

Osman Diaz's profile at Tapology 

Rank State: California
Age: 34
Last 5: L W W L W
Association: California Mixed Martial Arts
Pro Debut Date: 2015-06-14
Pro Record: 10-3-0
Current Ranking:
#109 Middleweight
'Big League' Record: 4-1-0
Last 3 Years: 3-1-0
Win Finish %: 90%
Combat Age: 36
Quality Perf. %: 61.5%
Last Quality Perf.: 2025-03-08
540 Metric: .714
Rating Points: 72
Highest Quarterly Ranking: 10/01/2024

#76 Light Heavyweight
Last Fight Date: 3/08/2025 [UFC]
Last Opponent: [#140 MW] Djorden Santos
Opponent's Last 5: W W W L W
Last Loss Date: 11/23/2024
Last Loss: [#22 LHW] Mingyang Zhang
Opponent's Last 5: W W W W L
UFC Record: 1-1-0
Octagon Time: 0:17:25
UFC Debut: 2024-11-23
Last UFC Fight: 2025-03-08

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

  Opponent Outcome
W Djorden Santos
#133 Middleweight		 Decision (Unanimous)
Round 3
  UFC 313 - Pereira vs. Ankalaev
Saturday, March 8th 2025
L Mingyang Zhang
#69 Light Heavyweight		 TKO (Elbow and Punches)
Round 1
  UFC Fight Night 248 - Yan vs. Figueiredo
Saturday, November 23rd 2024
W Bevon Lewis TKO (Punches)
Round 2
  LFA 184 - Diaz vs. Lewis
Friday, May 17th 2024
W Chuck Campbell
#90 Heavyweight		 KO (Punches)
Round 1
  LFA 178 - Satybaldiev vs. Assis
Friday, March 8th 2024
L Joe Pyfer
#204 Middleweight		 TKO (Punches)
Round 2
  Dana Whites Contender Series - Contender S...
Tuesday, July 26th 2022
W Bruno Assis
#140 Middleweight		 KO (Punches)
Round 1
  LFA 127: Diaz vs. Assis
Friday, March 25th 2022
W Moses Murrietta
#296 Welterweight		 KO
Round 2
  LXF 6 - Lights Out Xtreme Fighting 6
Saturday, October 30th 2021
W Logan Woods
#122 Light Heavyweight		 TKO (Punches)
Round 1
  LFA 94 - Demopoulos vs. Godinez
Friday, October 30th 2020
W Andre Walker
#446 Middleweight		 Submission (Rear Naked Choke)
Round 1
  Bellator 228 - Pitbull vs. Archuleta
Saturday, September 28th 2019
W Christopher Reyes TKO
Round 1
  Bellator 214: Fedor vs. Bader
Saturday, January 26th 2019
L Santiago Diaz TKO (Punches)
Round 1
  FCOC 50
Thursday, February 15th 2018
W Saad Ul-Hasan TKO (Punches)
Round 2
  FCOC - Fight Club OC
Thursday, December 7th 2017
W Leon Klee Submission (Rear Naked Choke)
Round 1
  KOTC - Sanctioned
Sunday, June 14th 2015
  Opponent Event Outcome
W Djorden Santos
#133 Middleweight		   UFC 313 - Pereira vs. Ankalaev
Saturday, March 8th 2025		 Decision (Unanimous)
Round 3
L Mingyang Zhang
#69 Light Heavyweight		   UFC Fight Night 248 - Yan vs. Figueiredo
Saturday, November 23rd 2024		 TKO (Elbow and Punches)
Round 1
W Bevon Lewis   LFA 184 - Diaz vs. Lewis
Friday, May 17th 2024		 TKO (Punches)
Round 2
W Chuck Campbell
#90 Heavyweight		   LFA 178 - Satybaldiev vs. Assis
Friday, March 8th 2024		 KO (Punches)
Round 1
L Joe Pyfer
#204 Middleweight		   Dana Whites Contender Series - Contender S...
Tuesday, July 26th 2022		 TKO (Punches)
Round 2
W Bruno Assis
#140 Middleweight		   LFA 127: Diaz vs. Assis
Friday, March 25th 2022		 KO (Punches)
Round 1
W Moses Murrietta
#296 Welterweight		   LXF 6 - Lights Out Xtreme Fighting 6
Saturday, October 30th 2021		 KO
Round 2
W Logan Woods
#122 Light Heavyweight		   LFA 94 - Demopoulos vs. Godinez
Friday, October 30th 2020		 TKO (Punches)
Round 1
W Andre Walker
#446 Middleweight		   Bellator 228 - Pitbull vs. Archuleta
Saturday, September 28th 2019		 Submission (Rear Naked Choke)
Round 1
W Christopher Reyes   Bellator 214: Fedor vs. Bader
Saturday, January 26th 2019		 TKO
Round 1
L Santiago Diaz   FCOC 50
Thursday, February 15th 2018		 TKO (Punches)
Round 1
W Saad Ul-Hasan   FCOC - Fight Club OC
Thursday, December 7th 2017		 TKO (Punches)
Round 2
W Leon Klee   KOTC - Sanctioned
Sunday, June 14th 2015		 Submission (Rear Naked 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
10/01/2025 3 #105 Middleweight 10-3-0
72
07/01/2025 6 #108 Middleweight 10-3-0
72
04/01/2025 NR #102 Middleweight 10-3-0
72
01/01/2025 24 #100 Light Heavyweight 9-3-0
48
10/01/2024 5 #76 Light Heavyweight 9-2-0
62
07/01/2024 1 #81 Light Heavyweight 9-2-0
62
04/01/2024 NR #80 Light Heavyweight 8-2-0
59
10/01/2023 30 #194 Middleweight 7-2-0
39
07/01/2023 10 #164 Middleweight 7-2-0
42
04/01/2023 6 #154 Middleweight 7-2-0
43
01/01/2023 3 #160 Middleweight 7-2-0
43
10/01/2022 56 #163 Middleweight 7-2-0
43
07/01/2022 1 #107 Middleweight 7-1-0
64
04/01/2022 46 #106 Middleweight 7-1-0
64
01/01/2022 32 #152 Middleweight 6-1-0
46
10/01/2021 2 #184 Middleweight 5-1-0
37
07/01/2021 6 #182 Middleweight 5-1-0
37
04/01/2021 1 #176 Middleweight 5-1-0
37
01/01/2021 183 #177 Middleweight 5-1-0
37
10/01/2020 12 #360 Middleweight 4-1-0
21
07/01/2020 16 #372 Middleweight 4-1-0
21
04/01/2020 8 #388 Middleweight 4-1-0
21
01/01/2020   #396 Middleweight 4-1-0
21
10/01/2019 NR #396 Middleweight 4-1-0
21


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.

Current MMA Rankings

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