Sébastien Demers (31-6, 11) was born in St. Hyacinthe, Quebec, Canada on December 24, 1979. At the age of 24 years on October 9, 2004, he made his professional boxing debut against John Vaughan, winning the fight via 1st-round TKO.
Demers' last fight was a 2nd-round KO loss to James DeGale at age 33 on May 17, 2013. He retired on a 4-fight losing streak.
Some of Sébastien Demers' best fights have been against William Joppy and Arthur Abraham.
Demers has 6 losses on his boxing record.
| # | Date | Opponent | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|
37  | May 17, 2013 33 years, 4 months 31-6 (11) | 27 years, 3 months 14-1 (9) | 2 | KO | LOSS | |
36  | Nov 5, 2011 31 years, 10 months 31-5 (11) | 32 years, 1 months 30-3 (21) | 10 | UD | LOSS | |
35 | Dec 3, 2010 30 years, 11 months 31-4 (11) | Renan St-Juste | SMD | 2 | KO | LOSS |
34 | Jun 11, 2010 30 years, 5 months 31-3 (11) | Brian Vera | 3 | TKO | LOSS | |
33  | Mar 6, 2010 30 years, 2 months 31-2 (11) | 39 years, 5 months 39-5-1 (30) | 10 | MD | WIN | |
32 | Nov 7, 2009 29 years, 10 months 30-2 (11) | Nicholson Poulard | SMD | 12 | UD | WIN |
31 | Sep 25, 2009 29 years, 9 months 29-2 (11) | Jose Spearman | 1 | KO | WIN | |
30 | Jun 6, 2009 29 years, 5 months 28-2 (10) | Alfredo Contreras | 8 | UD | WIN | |
29 | Mar 7, 2009 29 years, 2 months 27-2 (10) | Martin Berthiaume | 5 | RTD | WIN | |
28 | Nov 29, 2008 28 years, 11 months 26-2 (9) | Donny McCrary | 10 | UD | WIN | |
27 | Aug 1, 2008 28 years, 7 months 25-2 (9) | Dionisio Miranda | MD | 10 | SD | LOSS |
26 | Jun 6, 2008 28 years, 5 months 25-1 (9) | Sam Hill | 8 | UD | WIN | |
25 | Apr 5, 2008 28 years, 3 months 24-1 (9) | Matt Vanda | MD | 12 | UD | WIN |
24 | Jan 11, 2008 28 years 23-1 (9) | Thomas Brown | 8 | UD | WIN | |
23 | Dec 1, 2007 27 years, 11 months 22-1 (9) | Mohammad Said Salem | MD | 12 | UD | WIN |
22 | Sep 15, 2007 27 years, 8 months 21-1 (9) | Walid Smichet | MD | 12 | UD | WIN |
21  | May 26, 2007 27 years, 5 months 20-1 (9) | 27 years, 3 months 22-0 (17) | MD | 3 | KO | LOSS For IBF |
20 | Feb 10, 2007 27 years, 1 months 20-0 (9) | Ian MacKillop | 3 | TKO | WIN | |
19 | Nov 25, 2006 26 years, 11 months 19-0 (8) | Ian MacKillop | MD | 12 | UD | WIN |
18 | Sep 30, 2006 26 years, 9 months 18-0 (8) | Stephane Desormiers | SWL | 10 | UD | WIN |
17 | Jul 13, 2006 26 years, 6 months 17-0 (8) | Christopher Henry | 10 | UD | WIN | |
16 | May 24, 2006 26 years, 5 months 16-0 (8) | Sherwin Davis | 7 | TKO | WIN | |
15 | Mar 11, 2006 26 years, 2 months 15-0 (7) | Mamadou Thiam | 6 | TKO | WIN | |
14 | Dec 10, 2005 25 years, 11 months 14-0 (6) | Elio Ortiz | 4 | TKO | WIN | |
13 | Nov 19, 2005 25 years, 10 months 13-0 (5) | Luiz Augusto Dos Santos | 8 | UD | WIN | |
12 | Oct 29, 2005 25 years, 10 months 12-0 (5) | Calvin Shakir | 2 | TKO | WIN | |
11 | Sep 10, 2005 25 years, 8 months 11-0 (4) | Ian MacKillop | SWL | 10 | UD | WIN |
10 | Jun 18, 2005 25 years, 5 months 10-0 (4) | Claudio Ortiz | SWL | 10 | UD | WIN |
9 | Apr 16, 2005 25 years, 3 months 9-0 (4) | Verdell Smith | 6 | UD | WIN | |
8 | Mar 12, 2005 25 years, 2 months 8-0 (4) | Sammy Sparkman | 6 | UD | WIN | |
7 | Feb 26, 2005 25 years, 2 months 7-0 (4) | Presente Brito | 3 | TKO | WIN | |
6 | Feb 12, 2005 25 years, 1 months 6-0 (3) | Anthony Ivory | 6 | UD | WIN | |
5 | Dec 17, 2004 24 years, 11 months 5-0 (3) | Aundalen Sloan | 6 | UD | WIN | |
4 | Dec 1, 2004 24 years, 11 months 4-0 (3) | Greg Bazile | 6 | UD | WIN | |
3 | Nov 13, 2004 24 years, 10 months 3-0 (3) | Felix Vargas | 3 | TKO | WIN | |
2 | Nov 3, 2004 24 years, 10 months 2-0 (2) | Darren Kenny | 2 | TKO | WIN | |
1 | Oct 9, 2004 24 years, 9 months 1-0 (1) | John Vaughan | 1 | TKO | WIN |
