Jon Rosener is an American mixed martial artist with a professional record of 1-2 across 3 bouts. They've won 0 by KO/TKO, 1 by submission and 0 by decision — a 100 % finish rate. Currently on a 2-fight skid. Last competed January 2026 (active). Has fought most often in United States (3 bouts).
Fight locations (1 venues)
Career timeline — fights by year
Frequently asked
What is Jon Rosener's MMA record?
Jon Rosener has a professional MMA record of 1-2 — 0 wins by KO/TKO, 1 by submission, 0 by decision.
How does Jon Rosener usually win?
They most often win by submission (1 of 1 wins).
How does Jon Rosener usually lose?
Most of Jon Rosener's losses come by KO/TKO (2 of 2).
Is Jon Rosener still active?
Jon Rosener last competed in January 2026, and is considered active (no bout in over two years).
What is Jon Rosener's fastest finish?
submission of Grant Hartwig in 4:43 (Rd 1) at Shamrock FC - Shamrock 340.
Where is Jon Rosener from?
Jon Rosener is a American mixed martial artist.
Pro MMA (3)
Amateur (3)
Amateur bouts — not counted toward the pro record.