Osman Diaz

Osman Diaz (10-5) is a middleweight fighting out of Los Angeles, California, United States. Osman Diaz's last fight was a loss to Ryan Gandra by TKO at UFC 331: Van vs. Pantoja 2 in September 2026.

Record10-5-0

DivisionMiddleweight

Height6'4"

Reach79"

Age35

Last FightMar 8, 2025

BornNov 22, 1990

BirthplaceLos Angeles, California, United States

Fighting out ofLos Angeles, California, United States

UFC Career Stats:

Sig. strikes landed / min5.96

Striking accuracy52%

Sig. strikes absorbed / min7.29

Striking defense62%

Takedowns / 15 min0.00

Takedown accuracy0%

Takedown defense67%

Sub attempts / 15 min0.00

4 UFC fights through Oct 31, 2026. Source: UFCStats

Fight History:

*Exhibition (EX.) fights included in history

Result	Opponent	Division	Method	Rnd / Time	Event	Date	Fight
L	Ryan Gandra	Middleweight	TKO (Punches)	R1 · 2:04	UFC 331: Van vs. Pantoja 2	Sep 19, 2026	View
L	Ateba Gautier	Middleweight	TKO (Punches)	R2 · 1:10	UFC 328: Chimaev vs. Strickland	May 9, 2026	View
W	Djorden Santos	Middleweight	Decision (Unanimous)	R3	UFC 313: Pereira vs. Ankalaev	Mar 8, 2025
L	Mingyang Zhang	Light Heavyweight	KO/TKO (Elbow & Ground Punches)	R1 · 2:25	UFC Fight Night	Nov 23, 2024
W	Bevon Lewis	Light Heavyweight	KO/TKO (Left Hook to Ground Strikes)	R2 · 3:24	LFA 184: Diaz vs. Lewis	May 17, 2024
W	Chuck Campbell	Light Heavyweight	KO/TKO (Flying Knee to Punches)	R1 · 4:59	LFA 178: Satybaldiev vs. Assis	Mar 8, 2024
L	Joe Pyfer	Middleweight	KO/TKO (Left Hook & Ground Strikes)	R2 · 1:39	Contender Series 2022	Jul 26, 2022
W	Bruno Assis	Middleweight	KO/TKO (Punches)	R1 · 4:53	LFA 127: Diaz vs. Assis	Mar 25, 2022
W	Moses Murrietta	Middleweight	KO/TKO	R2 · 1:54	LXF 6	Oct 30, 2021
W	Logan Woods	Middleweight	KO/TKO (Punches)	R1 · 1:36	LFA 94: Demopoulos vs. Godinez	Oct 30, 2020
W	Andre Walker	Middleweight	Submission (Rear Naked Choke)	R1 · 3:05	Bellator 228	Sep 28, 2019
W	Christopher Reyes	Catchweight	KO/TKO	R1 · 4:15	Bellator 214	Jan 26, 2019
L	Santiago Diaz	Middleweight	KO/TKO	R1 · 0:15	Fight Club OC	Feb 15, 2018
W	Saad Ul-Hasan	Middleweight	KO/TKO	R2 · 1:54	Fight Club OC	Dec 7, 2017
W	Leon Klee	Middleweight	Submission (Rear Naked Choke)	R1 · 2:31	KOTC: Sanctioned	Jun 14, 2015

LRyan Gandra
Sep 19, 2026
UFC 331: Van vs. Pantoja 2·Middleweight
TKO (Punches)·R1 · 2:04View
LAteba Gautier
May 9, 2026
UFC 328: Chimaev vs. Strickland·Middleweight
TKO (Punches)·R2 · 1:10View
WDjorden Santos
Mar 8, 2025
UFC 313: Pereira vs. Ankalaev·Middleweight
Decision (Unanimous)·R3
LMingyang Zhang
Nov 23, 2024
UFC Fight Night·Light Heavyweight
KO/TKO (Elbow & Ground Punches)·R1 · 2:25
WBevon Lewis
May 17, 2024
LFA 184: Diaz vs. Lewis·Light Heavyweight
KO/TKO (Left Hook to Ground Strikes)·R2 · 3:24
WChuck Campbell
Mar 8, 2024
LFA 178: Satybaldiev vs. Assis·Light Heavyweight
KO/TKO (Flying Knee to Punches)·R1 · 4:59
LJoe Pyfer
Jul 26, 2022
Contender Series 2022·Middleweight
KO/TKO (Left Hook & Ground Strikes)·R2 · 1:39
WBruno Assis
Mar 25, 2022
LFA 127: Diaz vs. Assis·Middleweight
KO/TKO (Punches)·R1 · 4:53
WMoses Murrietta
Oct 30, 2021
LXF 6·Middleweight
KO/TKO·R2 · 1:54
WLogan Woods
Oct 30, 2020
LFA 94: Demopoulos vs. Godinez·Middleweight
KO/TKO (Punches)·R1 · 1:36
WAndre Walker
Sep 28, 2019
Bellator 228·Middleweight
Submission (Rear Naked Choke)·R1 · 3:05
WChristopher Reyes
Jan 26, 2019
Bellator 214·Catchweight
KO/TKO·R1 · 4:15
LSantiago Diaz
Feb 15, 2018
Fight Club OC·Middleweight
KO/TKO·R1 · 0:15
WSaad Ul-Hasan
Dec 7, 2017
Fight Club OC·Middleweight
KO/TKO·R2 · 1:54
WLeon Klee
Jun 14, 2015
KOTC: Sanctioned·Middleweight
Submission (Rear Naked Choke)·R1 · 2:31