Gary O'Sullivan

Middleweight
Gary O'Sullivan avatar image
Gary O'Sullivan professional boxer headshot

Gary O'Sullivan
"Spike"

31

Wins

5

Losses

0

Draws

None

KO%

Gary O'Sullivan, also known as the Celtic Warrior, is an Irish middleweight boxer with an incredible record of 31 wins and 5 losses. He was born in Mahon, Cork, Republic of Ireland, on July 14, 1984, and made his professional boxing debut against Peter Dunn on January 26, 2008, at the age of 23. O'Sullivan defeated Dunn via sixth-round TKO, setting the tone for his career, which would eventually span 36 total fights.

In his career, O'Sullivan has won 21 matches via knockout, showcasing his power in the ring. Although he has yet to win any titles, he has held multiple middleweight championships at the regional level, including the Irish title, between 2009 and 2017.

Throughout his career, O'Sullivan has faced some of the toughest boxers in the sport, including Antoine Douglas, Milton Núñez, and Berlin Abreu. He has also acted and performed stunts in the 2007 film Strength and Honour, highlighting his versatility in and out of the ring.

Despite his impressive record, O'Sullivan has suffered five losses, including one in a title bout and four in non-title bouts. His first loss came against Billy Joe Saunders in 2013 via 12-round unanimous decision, which ended his 16-fight winning streak. In total, he has been stopped four times and lost once via decision.

O'Sullivan's most recent fight took place on May 28, 2022, against Erislandy Lara for the WBA (Regular) title. Unfortunately for O'Sullivan, he lost the fight via an 8th round TKO, putting him on a one-fight losing streak. It has been 10 months and 3 days since his last fight.

O'Sullivan's professional record speaks to his expertise in the sport and his dedication to improving as a fighter. With a nickname like the Celtic Warrior, O'Sullivan brings a unique fighting spirit and style to every match he participates in. As he continues to compete and train, it's clear that he is a force to be reckoned with in the middleweight division.

Gary O'Sullivan Fight Record

# Date Age Opponent Result Via
36 May 28, 2022 37 Erislandy Lara Loss TKO8
35 May 29, 2021 36 Nodar Robakidze Win UD
34 Jan 11, 2021 36 Jaime Munguia Loss TKO11
33 Mar 16, 2019 34 Khiary Gray Win TKO6
32 Dec 7, 2018 34 Gabor Gorbics Win PTS
31 Sep 15, 2018 34 David Lemieux Loss KO1
30 May 4, 2018 33 Berlin Abreu Win RTD3
29 Dec 16, 2017 33 Antoine Douglas Win TKO7
28 Sep 30, 2017 33 MNick Quigley Win TKO4
27 May 13, 2017 32 Chauncey Fields Win KO2
26 Mar 18, 2017 32 Ronald Montes Win TKO3
25 Sep 17, 2016 32 Jaime Barboza Win UD
24 Dec 12, 2015 31 Chris Eubank Jr. Loss RTD7
23 Oct 10, 2015 31 David Toribio Win KO2
22 May 23, 2015 30 Melvin Betancourt Win KO2
21 Mar 14, 2015 30 Milton Núñez Win TKO3
20 Feb 26, 2015 30 Larry Smith Win TKO2
19 Nov 15, 2014 30 Anthony Fitzgerald Win TKO1
18 Jun 5, 2014 29 Jose Medina Win MD
17 Jul 20, 2013 29 Billy Joe Saunders Loss UD
16 May 3, 2013 28 Tadas Jonkus Win TKO3
15 Jul 15, 2012 28 Matthew Hall Win UD
14 Mar 10, 2012 27 Paul Morby Win PTS
13 Jun 25, 2011 26 Robert Long Win TKO1
12 May 21, 2011 26 M Ryan Clark Win KO1
11 Jun 26, 2010 25 Sylvain Touzet Win TKO3
10 Dec 14, 2009 25 Ciaran Healy Win PTS
9 Jul 25, 2009 25 Arturs Jaskuls Win PTS
8 Apr 25, 2009 24 Marcin Piatkowski Win KO1
7 Mar 14, 2009 24 Jimmy LeBlanc Win DQ
6 Oct 26, 2008 24 Idiozan Matos Win TKO3
5 Sep 13, 2008 24 Sergejs Volodins Win RTD1
4 Jul 5, 2008 23 Eugen Stan Win PTS
3 Apr 15, 2008 23 Tye Williams Win TKO1
2 Mar 15, 2008 23 Robert Harris Win TKO1
1 Jan 26, 2008 23 Peter Dunn Win TKO6