Standout achievements
William Kirk is an American mixed martial artist with a professional record of 4-2 across 6 bouts. They've won 0 by KO/TKO, 4 by submission and 0 by decision — a 100 % finish rate. Most wins come by submission. Currently on a 2-fight skid. Last competed December 2025 (active).
Career timeline — fights by year
Frequently asked
What is William Kirk's MMA record?
William Kirk has a professional MMA record of 4-2 — 0 wins by KO/TKO, 4 by submission, 0 by decision.
How does William Kirk usually win?
They most often win by submission (4 of 4 wins).
How does William Kirk usually lose?
Most of William Kirk's losses come by KO/TKO (2 of 2).
Is William Kirk still active?
William Kirk last competed in December 2025, and is considered active (no bout in over two years).
What is William Kirk's fastest finish?
submission of Ben Sherrill in 1:25 (Rd 1) at CZMMA - Cagezilla FC 80.
Where is William Kirk from?
William Kirk is a American mixed martial artist.
What is William Kirk's longest MMA win streak?
William Kirk's longest winning run on record is 4 straight victories.