Tom O'Connor
“Big Nasty”
Standout achievements
Tom O'Connor is a Canadian mixed martial artist with a professional record of 15-3 across 18 bouts. They've won 7 by KO/TKO, 6 by submission and 2 by decision — a 87 % finish rate. Most wins come by KO/TKO. Last competed June 2024 (inactive). Has fought most often in Canada (12 bouts).
Fight locations (4 venues)
Career timeline — fights by year
Frequently asked
What is Tom O'Connor's MMA record?
Tom O'Connor has a professional MMA record of 15-3 — 7 wins by KO/TKO, 6 by submission, 2 by decision.
How does Tom O'Connor usually win?
They most often win by KO/TKO (7 of 15 wins).
How does Tom O'Connor usually lose?
Most of Tom O'Connor's losses come by decision (2 of 3).
Is Tom O'Connor still active?
Tom O'Connor last competed in June 2024, and is considered inactive (no bout in over two years).
What is Tom O'Connor's fastest finish?
submission of Randy Mahon in 0:44 (Rd 1) at XFFC 16 - Festival of Fists 2.
Where is Tom O'Connor from?
Tom O'Connor is a Canadian mixed martial artist.
What is Tom O'Connor's longest MMA win streak?
Tom O'Connor's longest winning run on record is 9 straight victories.
Where does Tom O'Connor rank in MMA?
Tom O'Connor sits at #1,324 of 32,631 fighters in the Fight Forensics global MMA rankings.