Jeff Nielsen
Jeff Nielsen is an American mixed martial artist with a professional record of 3-4 across 7 bouts. They've won 2 by KO/TKO, 0 by submission and 1 by decision — a 67 % finish rate. Most wins come by KO/TKO. Last competed May 2025 (active). Has fought most often in United States (13 bouts).
Fight locations (4 venues)
Career timeline — fights by year
Frequently asked
What is Jeff Nielsen's MMA record?
Jeff Nielsen has a professional MMA record of 3-4 — 2 wins by KO/TKO, 0 by submission, 1 by decision.
How does Jeff Nielsen usually win?
They most often win by KO/TKO (2 of 3 wins).
How does Jeff Nielsen usually lose?
Most of Jeff Nielsen's losses come by decision (2 of 4).
Is Jeff Nielsen still active?
Jeff Nielsen last competed in May 2025, and is considered active (no bout in over two years).
What is Jeff Nielsen's fastest finish?
KO/TKO of Zeb Vincent in 2:17 (Rd 1) at LFA 182 - McKee vs. Hernandez.
Where is Jeff Nielsen from?
Jeff Nielsen is a American mixed martial artist.
Pro MMA (7)
Amateur (5)
Amateur bouts — not counted toward the pro record.
Exhibition (1)
Exhibition / cross-discipline bouts (e.g. boxing) — not counted toward the pro record.