1-0
Pro W–L
Am 3–1
Michael O'Brien is an American mixed martial artist with a professional record of 1-0 across 1 bouts. They've won 0 by KO/TKO, 1 by submission and 0 by decision — a 100 % finish rate. Last competed May 2026 (active). Has fought most often in United States (5 bouts).
Finish rate
100 %
Wins by
0 KO · 1 SUB · 0 DEC
Usually wins by
submission
Fastest win
1:03 (Rd 1)
vs David Crow
Most fights in
United States 5
Last fought
May 2026 · Active
Fight locations (1 venues)
Frequently asked
What is Michael O'Brien's MMA record?
Michael O'Brien has a professional MMA record of 1-0 — 0 wins by KO/TKO, 1 by submission, 0 by decision.
How does Michael O'Brien usually win?
They most often win by submission (1 of 1 wins).
Is Michael O'Brien still active?
Michael O'Brien last competed in May 2026, and is considered active (no bout in over two years).
What is Michael O'Brien's fastest finish?
submission of David Crow in 1:03 (Rd 1) at CFFC - NextGen 3.
Where is Michael O'Brien from?
Michael O'Brien is a American mixed martial artist.
Pro MMA (1)
Amateur (4)
Amateur bouts — not counted toward the pro record.