1-4
Pro W–L
Standout achievements
James Sierens is an American mixed martial artist with a professional record of 1-4 across 5 bouts. They've won 0 by KO/TKO, 1 by submission and 0 by decision — a 100 % finish rate. Last competed August 2025 (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
Usually loses by
decision
Fastest win
1:11 (Rd 1)
vs Edward Arangure
Fastest loss
2:24 (Rd 1)
vs Earl-Brovis Harris
Most fights in
United States 5
Last fought
Aug 2025 · Active
Career timeline — fights by year
Wins
Losses
Frequently asked
What is James Sierens's MMA record?
James Sierens has a professional MMA record of 1-4 — 0 wins by KO/TKO, 1 by submission, 0 by decision.
How does James Sierens usually win?
They most often win by submission (1 of 1 wins).
How does James Sierens usually lose?
Most of James Sierens's losses come by decision (2 of 4).
Is James Sierens still active?
James Sierens last competed in August 2025, and is considered active (no bout in over two years).
What is James Sierens's fastest finish?
submission of Edward Arangure in 1:11 (Rd 1) at Desert Fighting Championship - Fight Night.
Where is James Sierens from?
James Sierens is a American mixed martial artist.
Pro MMA (5)
L
2022-12-10
vs
Byron Valle
Dream Fight League - DFL: A Night to Remember
· Dream Fight League
R3 2:00