Standout achievements
Michael Sierra is mixed martial artist with a professional record of 4-10 across 14 bouts. They've won 2 by KO/TKO, 2 by submission and 0 by decision — a 100 % finish rate. Most wins come by KO/TKO. Currently on a 3-fight skid. Last competed March 2015 (inactive). Has fought most often in United States (14 bouts).
Fight locations (8 venues)
Career timeline — fights by year
Frequently asked
What is Michael Sierra's MMA record?
Michael Sierra has a professional MMA record of 4-10 — 2 wins by KO/TKO, 2 by submission, 0 by decision.
How does Michael Sierra usually win?
They most often win by KO/TKO (2 of 4 wins).
How does Michael Sierra usually lose?
Most of Michael Sierra's losses come by submission (6 of 10).
Is Michael Sierra still active?
Michael Sierra last competed in March 2015, and is considered inactive (no bout in over two years).
What is Michael Sierra's fastest finish?
KO/TKO of Christian Kearney in 1:27 (Rd 1) at XKO - Xtreme Knockout 4.
What is Michael Sierra's longest MMA win streak?
Michael Sierra's longest winning run on record is 2 straight victories.
Where does Michael Sierra rank in MMA?
Michael Sierra sits at #30,168 of 32,631 fighters in the Fight Forensics global MMA rankings.
Pro MMA (14)
Amateur (1)
Amateur bouts — not counted toward the pro record.