Gary O'Sullivan was born in Mahon, Cork, Republic of Ireland on July 14, 1984. He made his professional debut at the age of 23 years on January 26, 2008 against Peter Dunn. O'Sullivan defeated Dunn via 6th round TKO, making a successful beginning of his pro career.
O'Sullivan got his first shot at a world title at the age of 37 after 35 professional fights. On May 28, 2022 O'Sullivan challenged Erislandy Lara's WBA (Regular) middleweight title but lost via 8th round TKO. He is yet to get another shot at a world title.
O'Sullivan's latest fight was an points decision loss to Sofiane Khati at age 39, on March 17, 2024.
Some of Gary O'Sullivan's best fights so far have been against Milton Nunez. For a complete list of O'Sullivan's best fights and their details, refer to "Best fights of Gary O'Sullivan".
O'Sullivan has 6 losses on his record. For details about these losses refer to "Gary O'Sullivan Losses".
# | Date | Age | Opponent | Res | Via |
---|---|---|---|---|---|
37 | Mar 17, 2024 | 39 | Sofiane Khati | loss | PTS 8 |
36 | May 28, 2022 | 37 |
Erislandy Lara 39 28-3-3 | loss | TKO 8 |
35 | May 29, 2021 | 36 | Nodar Robakidze | win | UD 6 |
34 | Jan 11, 2020 | 35 |
Jaime Munguia 23 34-0 | loss | TKO 11 |
33 | Mar 16, 2019 | 34 | Khiary Gray | win | TKO 6 |
32 | Dec 07, 2018 | 34 | Gabor Gorbics | win | PTS 8 |
31 | Sep 15, 2018 | 34 |
David Lemieux 29 39-4 | loss | KO 1 |
30 | May 04, 2018 | 33 | Berlin Abreu | win | RTD 3 |
29 | Dec 16, 2017 | 33 | Antoine Douglas | win | TKO 7 |
28 | Sep 30, 2017 | 33 | Nick Quigley | win | TKO 4 |
27 | May 13, 2017 | 32 | Chauncey Fields | win | KO 2 |
26 | Mar 18, 2017 | 32 | Ronald Montes | win | TKO 3 |
25 | Sep 17, 2016 | 32 | Jaime Barboza | win | UD 8 |
24 | Dec 12, 2015 | 31 |
Chris Eubank Jr. 26 20-1 | loss | RTD 7 |
23 | Oct 10, 2015 | 31 | David Toribio | win | KO 2 |
22 | May 23, 2015 | 30 | Melvin Betancourt | win | KO 2 |
21 | Mar 14, 2015 | 30 |
Milton Núñez 35 28-12-1 | win | TKO 3 |
20 | Feb 26, 2015 | 30 | Larry Smith | win | TKO 2 |
19 | Nov 15, 2014 | 30 | Anthony Fitzgerald | win | TKO 1 |
18 | Jun 05, 2014 | 29 | Jose Medina | win | MD 6 |
17 | Jul 20, 2013 | 29 |
Billy Joe Saunders 23 17-0 | loss | UD 12 |
16 | May 03, 2013 | 28 | Tadas Jonkus | win | TKO 3 |
15 | Jul 15, 2012 | 28 | Matthew Hall | win | UD 12 |
14 | Mar 10, 2012 | 27 | Paul Morby | win | PTS 6 |
13 | Jun 25, 2011 | 26 | Robert Long | win | TKO 1 |
12 | May 21, 2011 | 26 | M Ryan Clark | win | KO 1 |
11 | Jun 26, 2010 | 25 | Sylvain Touzet | win | TKO 3 |
10 | Dec 14, 2009 | 25 | Ciaran Healy | win | PTS 10 |
9 | Jul 25, 2009 | 25 | Arturs Jaskuls | win | PTS 6 |
8 | Apr 25, 2009 | 24 | Marcin Piatkowski | win | KO 1 |
7 | Mar 14, 2009 | 24 | Jimmy LeBlanc | win | DQ 4 |
6 | Oct 26, 2008 | 24 | Idiozan Matos | win | TKO 3 |
5 | Sep 13, 2008 | 24 | Sergejs Volodins | win | RTD 1 |
4 | Jul 05, 2008 | 23 | Eugen Stan | win | PTS 6 |
3 | Apr 15, 2008 | 23 | Tye Williams | win | TKO 1 |
2 | Mar 15, 2008 | 23 | Robert Harris | win | TKO 1 |
1 | Jan 26, 2008 | 23 | Peter Dunn | win | TKO 6 |