0-4
Pro W–L
Brian Diaz is a Chilean mixed martial artist with a professional record of 0-4 across 4 bouts. Currently on a 4-fight skid. Last competed March 2026 (active). Has fought most often in Chile (4 bouts).
Finish rate
0 %
Wins by
0 KO · 0 SUB · 0 DEC
Current streak
L4
Usually loses by
KO/TKO
Fastest loss
3:53 (Rd 1)
vs Martin Lopez
Most fights in
Chile 4
Last fought
Mar 2026 · Active
Career timeline — fights by year
Wins
Losses
Frequently asked
What is Brian Diaz's MMA record?
Brian Diaz has a professional MMA record of 0-4.
How does Brian Diaz usually lose?
Most of Brian Diaz's losses come by KO/TKO (4 of 4).
Is Brian Diaz still active?
Brian Diaz last competed in March 2026, and is considered active (no bout in over two years).
Where is Brian Diaz from?
Brian Diaz is a Chilean mixed martial artist.
Pro MMA (4)
L
2026-03-21
vs
Martin Lopez
OFL 16 - Open Fight LATAM 16
· Open Fight LATAM (Open Fight Chile)
R1 3:53
L
2026-03-21
vs
Martin Lopez
OFL 16 - Open Fight LATAM 16
· Open Fight LATAM (Open Fight Chile)
R1 3:53