Oscar Guerrero is an Ecuadorian mixed martial artist with a professional record of 8-12 across 20 bouts. They've won 5 by KO/TKO, 1 by submission and 2 by decision — a 75 % finish rate. Most wins come by KO/TKO. Currently on a 7-fight skid. Last competed May 2025 (active). Has fought most often in Ecuador (15 bouts).
Career timeline — fights by year
Frequently asked
What is Oscar Guerrero's MMA record?
Oscar Guerrero has a professional MMA record of 8-12 — 5 wins by KO/TKO, 1 by submission, 2 by decision.
How does Oscar Guerrero usually win?
They most often win by KO/TKO (5 of 8 wins).
How does Oscar Guerrero usually lose?
Most of Oscar Guerrero's losses come by KO/TKO (4 of 12).
Is Oscar Guerrero still active?
Oscar Guerrero last competed in May 2025, and is considered active (no bout in over two years).
What is Oscar Guerrero's fastest finish?
KO/TKO of Alejandro Mayorga in 3:37 (Rd 1) at QFC 5 - Guerrero vs. Mayorga.
Where is Oscar Guerrero from?
Oscar Guerrero is a Ecuadorian mixed martial artist.
What is Oscar Guerrero's longest MMA win streak?
Oscar Guerrero's longest winning run on record is 3 straight victories.
Where does Oscar Guerrero rank in MMA?
Oscar Guerrero sits at #27,821 of 32,631 fighters in the Fight Forensics global MMA rankings.