John O'Sullivan

AGE	N/A / N/A
HEIGHT	0'0" / 0 cm
WEIGHT	135 lbs / 61.23 kg

ASSOCIATION
N/A

CLASS
Bantamweight

Wins 0

KO / TKO

SUBMISSIONS

DECISIONS

Losses 0

KO / TKO

SUBMISSIONS

DECISIONS

FIGHT HISTORY - AMATEUR

Result	Fighter	Event	Method/Referee	R	Time
loss	Vadim Beregoi	Akuma FC 19 - Akuma Fighting Championship 19 Aug / 23 / 2025	Submission	2	2:16

JOHN O'SULLIVAN RELATED NEWS

Sherdog’s Official Mixed Martial Arts Rankings Antonio Carlos Jr. has thrived under the Professional Fighters League banner.

UFC

Tristen Critchfield

Aug 25, 2025

Sherdog’s Official Mixed Martial Arts Rankings There was some upheaval in the middleweight division on Saturday.

UFC

Tristen Critchfield

Jul 21, 2025

Brick-Fisted Daniel James Rallies to Stop Marcelo Golm in Bellator 293 Main Event Kill-switch power can erase any deficit, and Daniel James has it.

Bellator MMA

Brian Knapp

Apr 01, 2023

By the Numbers: Tim Means After a controversial loss to Sergio Moraes, Tim Means bounced back with a first-round TKO of Ricky Rainey at “The Ultimate Fighter” Season 28 Finale. He will next trade punches with...

Mark Raymundo

Mar 06, 2019

This Month’s MMA Birthdays: Mackenzie Dern Celebrates No. 25 The two-time Brazilian jiu-jitsu world champion improved to 6-0 with a successful promotional debut at UFC 222.

Brian Knapp

Mar 06, 2018

John O'Sullivan

EVENTS / FIGHTS

FIGHT FINDER

FIGHTER OF THE WEEK

TOP TRENDING FIGHTERS

MORE FIGHTERS...

John O'Sullivan

Subscribe to our Newsletter

EVENTS / FIGHTS

FIGHT FINDER

FIGHTER OF THE WEEK

TOP TRENDING FIGHTERS

MORE FIGHTERS...