Mason Keller is an American mixed martial artist with a professional record of 5-1 across 6 bouts. They've won 0 by KO/TKO, 3 by submission and 2 by decision — a 60 % finish rate. Most wins come by submission. Currently on a 5-fight win streak. Last competed September 2025 (active). Has fought most often in United States (6 bouts).
Fight locations (1 venues)
Career timeline — fights by year
Frequently asked
What is Mason Keller's MMA record?
Mason Keller has a professional MMA record of 5-1 — 0 wins by KO/TKO, 3 by submission, 2 by decision.
How does Mason Keller usually win?
They most often win by submission (3 of 5 wins).
How does Mason Keller usually lose?
Most of Mason Keller's losses come by KO/TKO (1 of 1).
Is Mason Keller still active?
Mason Keller last competed in September 2025, and is considered active (no bout in over two years).
What is Mason Keller's fastest finish?
submission of Kent Heppler in 1:31 (Rd 1) at MFL 56 - Michiana Fight League 56: Big Bang.
Where is Mason Keller from?
Mason Keller is a American mixed martial artist.
What is Mason Keller's longest MMA win streak?
Mason Keller's longest winning run on record is 5 straight victories.