Stephan Bonnar (15-9, 10) was born in Hammond, Indiana, U.S. on April 4, 1977. At the age of 24 years on November 10, 2001, he made his professional MMA debut against Brian Ebersole, winning the fight via 1st-round submission.
On August 6, 2005, 28-year old Stephan Bonnar made his UFC debut on his 10th professional MMA fight at UFC Ultimate Fight Night against a 25-year old Sam Hoger, winning the fight via 3-round unanimous decision.
Bonnar's last fight was a 3-round split decision loss to Tito Ortiz at Bellator 131 at age 37 on November 15, 2014. He was on a 2-fight losing streak by his last fight.
He has fought 13 times in the UFC, and has a record of 7 wins and 6 losses in the promotion.
Some of Stephan Bonnar's best fights have been against James Irvin, Krzysztof Soszynski, Eric Schafer, Mike Nickels, Sam Hoger, Keith Jardine and Kyle Kingsbury.
Bonnar has 9 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
24  | Nov 15, 2014 37 years, 7 months 15-9 (10) | 39 years, 9 months 17-11-1 (11) | Bellator | LHW | 3 | SD | LOSS |
23  | Oct 13, 2012 35 years, 6 months 15-8 (10) | 37 years, 5 months 32-4 (25) | UFC | LHW | 1 | TKO | LOSS Knees to the body and punches |
22  | Nov 19, 2011 34 years, 7 months 15-7 (10) | 29 years, 7 months 11-2 (6) | UFC | LHW | 3 | UD | WIN |
21  | Dec 4, 2010 33 years, 8 months 14-7 (10) | 31 years, 11 months 22-7 (19) | TUF | LHW | 3 | UD | WIN |
20  | Jul 3, 2010 33 years, 2 months 13-7 (10) | 32 years, 11 months 24-10-1 (21) | UFC | LHW | 2 | TKO | WIN Punches |
19 | Feb 21, 2010 32 years, 10 months 12-7 (9) | 32 years, 6 months 23-10-1 (20) | UFC | LHW | 3 | TKO | LOSS Doctor stoppage |
18  | Jul 11, 2009 32 years, 3 months 12-6 (9) | 44 years, 6 months 15-9 (12) | UFC | LHW | 3 | UD | LOSS |
17  | Jan 31, 2009 31 years, 9 months 12-5 (9) | 21 years, 6 months 7-0 (6) | UFC | LHW | 3 | UD | LOSS |
16  | Oct 20, 2007 30 years, 6 months 12-4 (9) | 30 years, 1 months 8-2-2 (5) | UFC | LHW | 2 | TKO | WIN Punches |
15 | Jul 7, 2007 30 years, 3 months 11-4 (8) | Mike Nickels | UFC | LHW | 1 | SUB | WIN Rear-naked choke |
14  | Aug 26, 2006 29 years, 4 months 10-4 (7) | 27 years, 1 months 12-3 (9) | UFC | LHW | 3 | UD | LOSS |
13  | Jun 28, 2006 29 years, 2 months 10-3 (7) | 26 years, 9 months 7-0 (3) | UFC | LHW | 3 | MD | LOSS |
12  | Apr 6, 2006 29 years 10-2 (7) | 30 years, 5 months 11-1-1 (8) | UFC | LHW | 3 | UD | WIN |
11  | Jan 16, 2006 28 years, 9 months 9-2 (7) | 27 years, 4 months 9-1 (9) | UFC | LHW | 1 | SUB | WIN Kimura |
10  | Aug 6, 2005 28 years, 4 months 8-2 (6) | 25 years, 1 months 5-0 (4) | UFC | LHW | 3 | UD | WIN |
9 | Apr 9, 2005 28 years 7-2 (6) | 25 years, 9 months 9-2 (7) | TUF | LHW | 3 | UD | LOSS |
8 | Jun 5, 2004 27 years, 2 months 7-1 (6) | Sean Sallee | 1 | SUB | WIN Triangle choke | ||
7 | Apr 24, 2004 27 years 6-1 (5) | William Hill | 1 | TKO | WIN Punches | ||
6 | Nov 22, 2003 26 years, 7 months 5-1 (4) | Brad Lynde | 1 | SUB | WIN Rear-naked choke | ||
5  | Sep 13, 2003 26 years, 5 months 4-1 (3) | 25 years, 3 months 1-0 (0) | 1 | TKO | LOSS Doctor stoppage | ||
4  | Sep 7, 2002 25 years, 5 months 4-0 (3) | 21 years, 10 months | 1 | UD | WIN | ||
3 | Jan 27, 2002 24 years, 9 months 3-0 (3) | Jay Massey | 1 | SUB | WIN Guillotine choke | ||
2 | Nov 10, 2001 24 years, 7 months 2-0 (2) | Josh Kruger | 1 | SUB | WIN Armbar | ||
1  | Nov 10, 2001 24 years, 7 months 1-0 (1) | 20 years, 11 months 8-3 (7) | 1 | SUB | WIN Guillotine choke |
