1-5
Pro W–L
Brian Muller is an Australian mixed martial artist with a professional record of 1-5 across 6 bouts. They've won 0 by KO/TKO, 0 by submission and 1 by decision. Last competed May 2026 (active). Has fought most often in Australia (4 bouts).
Finish rate
0 %
Wins by
0 KO · 0 SUB · 1 DEC
Usually wins by
decision
Usually loses by
decision
Fastest loss
0:07 (Rd 1)
vs Jesse King
Most fights in
Australia 4
Last fought
May 2026 · Active
Fight locations (2 venues)
Career timeline — fights by year
Wins
Losses
Frequently asked
What is Brian Muller's MMA record?
Brian Muller has a professional MMA record of 1-5 — 0 wins by KO/TKO, 0 by submission, 1 by decision.
How does Brian Muller usually win?
They most often win by decision (1 of 1 wins).
How does Brian Muller usually lose?
Most of Brian Muller's losses come by decision (3 of 5).
Is Brian Muller still active?
Brian Muller last competed in May 2026, and is considered active (no bout in over two years).
Where is Brian Muller from?
Brian Muller is a Australian mixed martial artist.
Pro MMA (6)
L
2025-03-09
vs
Joe Brown
Diamondback Fighting Championship - DFC 22
· Diamondback Fighting Championship
R3 5:00