John O'Brien

Featherweight

0-4RECORD

0KO / TKO WINS

0SUBMISSION WINS

0DECISION WINS

Profile

Full name	Not added yet
Nickname	Not added yet
Date of birth	Not added yet
Nationality	United States
Lives in	Meriden, Connecticut
Division	Featherweight
Team	Modern Self-Defense Center
Height	Not added yet
Reach	Not added yet
Stance	Not added yet
Weight	Not added yet
Pro debut	4 Jan 2014
Last fight	26 Jul 2025

Details on this page were compiled from public information on 30 Sep 2026 (the record is as of that date). Is this you? Claim this profile to correct anything and add your photo and bio. Claim this profile

Fight history

4 professional fights on file. Newest first.

Result	Opponent	Method	Round	Time	Event	Date
Loss	Justin Montalvo	Submission (guillotine choke)	1	3:48	FAC 30 - Fighting Alliance Championship 30: O'Brien vs. Montalvo	26 Jul 2025
Referee Nick Berens
Loss	Brandon Polcare	Submission (arm-triangle choke)	1	0:47	Reality Fighting - Mohegan Sun	3 Jan 2015
Loss	Derek Hyatt	TKO (punches)	1	2:23	FLP - Fight Lab 36: Misery Loves Company 7	5 Apr 2014
Referee Dale Frye
Loss	Johnny Lopez	Technical Submission (guillotine choke)	1	1:09	Reality Fighting - New Year's Bash 2	4 Jan 2014
Referee Kevin MacDonald

Amateur fights

Amateur record 0-6 (6 fights). Not counted in the professional record.

Result	Opponent	Method	Round	Time	Event	Date
Loss	Andrew Canale	Submission	1	0:00	AOCSC 4 - Art of Combat Sports Championships 4	26 Apr 2013
Loss	John Ward	TKO (punches)	1	1:33	XCP - Xtreme Combat Promotions	9 Mar 2013
Referee Corey Miner
Loss	Scott Grantham	Submission (armbar)	1	1:02	AOCSC 3 - Art of Combat Sports Championships 3	25 Jan 2013
Loss	Jeremy Yerdon	TKO (punches)	2	0:42	Xtreme Combat Promotions - War in Whitehall 1	15 Dec 2012
Referee Nathan Kittredge
Loss	Michael Smith	Submission (armbar)	1	0:35	XCP - Anarchy 2: Season's Beatings	1 Dec 2012
Referee Corey Miner
Loss	Andre Belcarris	TKO (punches)	1	0:36	Xtreme Combat Promotions - Rumble in Rutland	13 Oct 2012
Referee Corey Miner